Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page .
Turn on yellow flags to show possible range discrepancies.
Read more ...
?
Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UCD116173
Abutilon theophrasti
P. B. Kennedy
1922-1
s.n.
Butte
Oroville.
Comment
CAS-BOT-BC330576
Acer circinatum
A. A. Heller
1919-5-17
13159
Butte
Banks of the Feather river near Stirling
Comment
CHSC33590
Acer circinatum
M. S. Taylor
1981-5-21
3789
Butte
In Mayaro, along creek, ca. 2 mi ne of Pulga on Feather River Hwy 70
487
Comment
JEPS95255
Acer circinatum
Steve Edwards
1992-5-17
Butte
Vilas Road, 0.9 mi from its junction with Cohasset Road
Comment
POM193371
Acer glabrum var. torreyi
E. B. Copeland
1930-6-28
423
Butte
Jonesville.
2100
Comment
CAS-BOT-BC331610
Acer macrophyllum
Lowell Ahart
1988-3-27
5934
Butte
Along road W of the Poe Power House, E of the North Fork of the Feather River, about 2 miles SE of Jarbo Gap
274
Comment
CHSC7127
Acer negundo var. californicum
Lynn R. Thomas
1969-3-23
15
Butte
N bank Big Chico Creek at junction of Stewart and Bidwell Ave., ca. 0.5 mi w of Chico.
60
Comment
JEPS121910
Achillea millefolium
Lowell Ahart
2014-7-16
19684
Butte
About 30 yards east of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
UC201330
Achillea millefolium
A. A. Heller
1917-7-26
12835
Butte
open places in the yellow pine forest Butte Meadows
1402
Comment
SEINET10475101
Achillea millefolium var. californica
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4225
Butte
T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m.
750
Comment
JEPS110242
Achnatherum lemmonii
Lowell Ahart
2006-5-10
12625
Butte
Road bank, on the south side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
385
Comment
CAS-BOT-BC210738
Achnatherum nelsonii
M. S. Taylor
1982-5-2
4395
Butte
N side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville
487
Comment
CHSC74035
Achnatherum nelsonii subsp. dorei
B. Castro; Linnea Hanson
1996-5-24
665
Butte
Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00.
1216
Comment
POM196134
Achnatherum occidentale subsp. californicum
E. B. Copeland
1929-7-16
342
Butte
Jonesville
1550
Comment
CAS-BOT-BC216376
Achnatherum occidentale subsp. occidentale
Vernon Oswald; Lowell Ahart
1987-8-5
3181
Butte
Near Humboldt Peak
2151
Comment
CHSC39980
Acmispon americanus var. americanus
L. Ahart; P. Ahart
1983-7-24
4204
Butte
Ca. 2 mi sw of the Forbestown Reservoir, ca. 3 mi ne of Forbestown.
167
Comment
CHSC872
Acmispon americanus var. americanus
D. Crummett
1937-5-27
Butte
Paradise Road.
396
Comment
CHSC97929
Acmispon americanus var. americanus
D. G. Kelch
2006-8-2
06 .345
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
40
Comment
UCD103799
Acmispon americanus var. americanus
A. A. Heller
1914-8-13
11692
Butte
8 miles north of Oroville.
Comment
CHSC108834
Acmispon brachycarpus
Lowell Ahart
2012-4-17
17878
Butte
Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
35
Comment
CHSC95207
Acmispon brachycarpus
R. D. Fischer
2004-4-14
809
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy. 32. Collected along the Humboldt trail adjacent Hwy 32.
426
Comment
HSC23345
Acmispon micranthus
R. N. Bowman
1971-4-16
11
Butte
11.7 mi. E of Hwy. 70 on Pentz Rd.
91
Comment
CHSC31099
Acmispon parviflorus
Diane M. Reilly
1980-4-19
16
Butte
Under power lines. Ca. 1/4 mi sw off Big Bend Rd., ca. 2 mi off Hwy 70, ca. 25 mi e of Chico.
609
Comment
CHSC33584
Acmispon parviflorus
M. S. Taylor
1981-5-5
3597
Butte
E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville.
Comment
CHSC40418
Acmispon strigosus
Lowell Ahart
1985-5-31
5034
Butte
About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville.
274
Comment
UCD104482
Acmispon wrangelianus
Rimo Bacigalupi; L. R. Heckard
1963-5-14
8857
Butte
Along Humbug Road, bottom of Butte Creek Canyon, about 2 miles above and east of its beginning at junction with Paradise Skyway.
91
Comment
CAS-BOT-BC412868
Aconogonon davisiae
E. B. Copeland
1931-6-19
629
Butte
Jonesville
2100
Comment
CAS-BOT-BC391597
Actaea rubra
Lowell Ahart
1981-9-21
3194
Butte
Half a mile north of the Lost Creek Reservoir
1100
Comment
CHSC20253
Adiantum aleuticum
W. E. Hartman
1972-4-29
1
Butte
Abundant 500 ft. from Centerville Rd., ca. 8 mi e of Centerville Cemetery.
249
Comment
UC440495
Adiantum jordanii
Mrs. R. M. Austin
1896-5-1
242
Butte
bluff of Butte Creek
Comment
SEINET10932926
Adiantum jordanii
Mary Susan Taylor
1980-3-1
Taylor 2340
Butte
T21N R2E se sec 11. Among rocky outcrops on n-facing bluffs overlooking Nance Canyon, ca. 1/4 mi N of Neal Road, ca. 3 mi E of its jct with Hwy 99, ca. 7 mi S of Chico.
122
Comment
SEINET7728134
Adiantum pedatum
Unknown
1883-1
Butte
Chico
Comment
CAS-BOT-BC110725
Aegilops triuncialis
Lowell Ahart
1976-5-2
s.n.
Butte
Peter Ahart Ranch. Honcut.
Comment
CDA415
Aegilops triuncialis
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 of a mile (air) west of Bloomer Hill, about 6 miles west of Oroville Quincy Highway.
Comment
RSA739615
Aegilops triuncialis
L. P. Janeway, B. Castro
2007-5-19
8978
Butte
Cascade Range Foothills, Bottom of unnamed drainage on SE side of Neal Road, 2.9 air km NE of Hwy 99, under the high power lines.
88
Comment
CHSC107098
Aesculus californica
M. Mitchell
2010-4-12
Butte
Green Gate @ Highway 32.
421
Comment
CHSC99665
Aesculus californica
H. Koeth; H. Jansen
2007-5-2
Butte
Big Chico Creek Ecological Reserve, Chico (Forest Ranch). UTM10 610006E 4406721N.
471
Comment
POM85637
Aesculus californica
Mrs. R. M. Austin
1899-05
s.n.
Butte
Dead Mans Grade.
Comment
CHSC107074
Agoseris grandiflora var. leptophylla
L. P. Janeway
2011-6-29
10406
Butte
Northern High Sierra Nevada. Top of Bloomer Hill, at southwest corner of the fence around the upper communication tower; between the chain-link fence and a little used short access dirt road.
908
Comment
CHSC30030
Agoseris heterophylla
Lowell Ahart
1980-5-4
2209
Butte
Ca. 50 m SW of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi SE of Hurleton.
600
Comment
RSA32872
Agoseris retrorsa
A. A. Heller
1919-5-18
13169
Butte
Stirling.
1075
Comment
JEPS124331
Agrostis avenacea
Lowell Ahart
2015-10-20
20564
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CHSC102822
Agrostis exarata
Lowell Ahart
2009-6-3
15829
Butte
About 55 yards southeast of the gate, about 45 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
CHSC84154
Agrostis exarata
Lowell Ahart
2003-6-30
10333
Butte
In the gutter on the north side of Fields Ridge Road, north of the Ponderosa Reservoir, about 3 miles (air) north of Forbestown.
491
Comment
UC1609262
Agrostis exarata
Lowell Ahart
1993-9-13
7226
Butte
about 1 mi se Butte Meadows (on s side of Bolt Creek)
1325
Comment
SEINET10968288
Agrostis exarata
Mary Susan Taylor
1978-7-19
Taylor 1744
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CHSC59036
Agrostis exarata var. exarata
Lowell Ahart
1992-7-21
6810
Butte
On the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CHSC38780
Agrostis microphylla
Vernon Oswald
1983-5-8
457
Butte
Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd.
85
Comment
SEINET10507106
Agrostis microphylla
Lowell Ahart
1984-5-7
Ahart 4592
Butte
T22N R4E sec 31. Ca. 0.5 mi N of Kunkle Reservoir, along Kunkle Creek, ca. 2 mi S of Paradise, E side of Pentz-Magalia Hwy. Foothill Woodland; 600 m.
600
Comment
CAS-BOT-BC139080
Agrostis pallens
Lowell Ahart
1980-7-29
2494
Butte
Along Swedes Flat Road.
320
Comment
CHSC49496
Agrostis scabra
Vernon Oswald
1987-8-24
3224
Butte
Road between Inskip and Jones Meadow, ca. 1.5 mi (air) w of Jones Meadow.
1706
Comment
SEINET10790393
Agrostis stolonifera
Mary Susan Taylor
1978-7-21
Taylor 1796
Butte
Vicinity of Lake Madrone at Oroville-Quincy Hwy turnoff, 10 mi NE of Oroville; Yellow Pine forest.
Comment
SEINET10510739
Agrostis tenuis
Lowell Ahart
1988-9-4
Ahart 6179
Butte
On damp rocky soil, on the bottom and sides of Big Kimshew Creek, the creek crosses a large meadow. about 1 air mile north-east of Jones Meadow. Uncommon. Mountain meadow in Red Fir Forest.
Comment
CAS-BOT-BC138577
Agrostis variabilis
A. A. Heller
1914-8-7
11660
Butte
At the summit east of Jonesville.
2133
Comment
CHSC94530
Agrostis variabilis
Lowell Ahart
2006-8-15
13173
Butte
North edge of a wet area west of a large open meadow with bogs, 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
CHSC78714
Ailanthus altissima
L. P. Janeway; B. Castro
2000-5-9
6713
Butte
Sacramento Valley. South side of Chico; backyard of house on south side of 19th Street between Park Avenue and Salem Street.
60
Comment
SEINET10936190
Ailanthus altissima
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4208
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
CAS-BOT-BC138424
Aira caryophyllea
Lowell Ahart
1980-4-13
2078
Butte
Peter Ahart Ranch, Honcut.
50
Comment
SEINET7067154
Aira caryophyllea
A. G. Vestal
1947-4-30
s.n.
Butte
Along the road to Cherokee. Coordinate datum: NAD27. UTM Zone 10, 626283mE, 4388764mN.
Comment
CAS-BOT-BC138407
Aira caryophyllea var. capillaris
Lowell Ahart
1970-4-28
1514
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET10869149
Aira elegans
Mary Susan Taylor
1980-3-1
Taylor 2351
Butte
T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise.
302
Comment
JEPS104344
Alisma lanceolatum
Lowell Ahart
2003-6-23
10303
Butte
In a rice field, Peter Ahart Ranch, ca 300 yd e of the Palermo Honcut Highway, ca 2 1/8 mi n of Honcut, ca 12 mi south of Oroville.
30
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
CHSC30980
Allium amplectens
M. S. Taylor; R. Schlising, L. Ahart
1980-5-31
2754
Butte
Kunkle Reservoir, on e side of Pentz-Magalia Hwy, ca. 2 mi s of Paradise.
441
Comment
CAS-BOT-BC460727
Allium amplectens
J. D. Jokerst
1980-5-15
706
Butte
Southeast of Cohasset Hwy; On top of Cohasset Ridge.
487
Comment
SEINET12048523
Allium amplectens
P. K. Kirk
1981-1
20
Butte
E side of Hwy 99 and 30 m S of its jct with Broyles Rd., 17.6 km N of Chico
60
Comment
SEINET8533641
Allium amplectens
H. E. Brown
1897-1
172
Butte
Near Clear Creek
Comment
SEINET10472029
Allium bolanderi
Mary Susan Taylor
1982-5-2
Taylor 4391
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
CHSC28505
Allium campanulatum
M. S. Taylor; J. Jokerst
1979-7-21
2153
Butte
On Humboldt Peak, on Humboldt Summit.
2154
Comment
POM183164
Allium campanulatum
H. F. Copeland
1930-7-19
1330
Butte
Jonesville.
1524
Comment
SEINET176932
Allium campanulatum
E. B. Copeland
1929-7-3
350
Butte
Jonesville
1550
Comment
CAS-BOT-BC466718
Allium cratericola
James Jokerst
1985-3-24
2177
Butte
Near Lint Road
471
Comment
CHSC21270
Allium cratericola
M. S. Taylor
1973-4-21
15
Butte
Ca. 1/4 mi w of Cherokee Rd, ca. 1 1/2 mi s of Cherokee, on Table Mountain.
Comment
CAS-BOT-BC466719
Allium cratericola
Jokerst
1985-3-24
4863
Butte
Near Lint Road, north of Yankee Hill. West of Lunt Road and Highway 70
550
Comment
SEINET10905148
Allium cratericola
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4863
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill.
Comment
CHSC115468
Allium hyalinum
L. P. Janeway
2015-3-5
11634
Butte
Sacramento Valley. North side of Thermalito Forebay, on the west side of Nelson Ave.
72
Comment
CHSC62600
Allium jepsonii
B. Castro
1993-7-13
487
Butte
Ca. 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84.
944
Comment
POM169466
Allium membranaceum
Kate Conger
s.n.
Butte
Brush Creek
Comment
SEINET10471986
Allium obtusum
Mary Susan Taylor
1980-5-27
Taylor 2695
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
CDA13893
Allium obtusum var. conspicuum
G. F. Hrusa, T. D. Wilfred
1997-5-8
13750
Butte
Sierra Nevada; Near summit of slope facing SSE above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CAS-BOT-BC132073
Allium peninsulare var. peninsulare
Mrs. J. H. Morrison
1932-5-1
s.n.
Butte
Near Durham
Comment
UC426899
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville
1500
Comment
CHSC35098
Allophyllum divaricatum
R. A. Schlising
1981-6-13
4079
Butte
Pulga, roadside.
Comment
CHSC62573
Allophyllum divaricatum
L. P. Janeway
1993-6-10
4379
Butte
Plumas National Forest. Southwest side of Watson Ridge, ca 1.5 mi east of Bald Rock Dome.
822
Comment
CHSC46805
Allophyllum integrifolium
R. A. Schlising; L. Janeway, B. Castro
1988-7-30
4652
Butte
N part of county, on Snow Mountain ridge. Around seep.
1889
Comment
UC879964
Allophyllum integrifolium
A. A. Heller
1917-7-26
12844
Butte
Butte Meadows
1402
Comment
CHSC99661
Alnus incana subsp. tenuifolia
H. Koeth
2007-5-5
Butte
Moist seep in Butte Meadows along creek. UTM 10 628108E 4440095N.
1326
Comment
CHSC38267
Alnus rhombifolia
Vernon Oswald
1982-12-31
41
Butte
Bidwell Park, Chico, at Five Mile Recreation Area.
85
Comment
CHSC5944
Alnus rhombifolia
M. MacArthur
1968-6-17
174
Butte
Location: Hanging over SW edge of Big Chico Creek Ne of Dining Hall, Chico State College Campus.
60
Comment
CHSC49849
Alopecurus carolinianus
Vernon Oswald
1990-4-4
4144
Butte
Vinton Gulch access to the West Branch of Lake Oroville, ca. 0.5 mi (air) north of Cherokee.
262
Comment
CHSC36403
Alopecurus geniculatus
J. Boze
1982-5-2
422
Butte
In lawn end of Michael Way ca. 1 1/2 mi. E. of Hwy 99 off Eaton Rd.
Comment
CAS-BOT-BC137943
Alopecurus saccatus
Lowell Ahart
1980-5-4
2169
Butte
Thermalito.
65
Comment
CHSC42113
Amaranthus albus
Lowell Ahart
1986-11-7
5418
Butte
In a prune orchard, east of the Feather River and the Oroville Gridley Highway, about 3 miles east of Gridley.
28
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
UCSB64012
Amaranthus deflexus
Ahart, Lowell
1982-7-10
Butte
Near a small building in the parking area at the Gray Lodge check in station, about 12 miles south-west of Gridley
30
Comment
UCD97759
Amaranthus retroflexus
A. A. Heller
1915-8-20
12199
Butte
8 miles north of Oroville.
Comment
CHSC76264
Amaranthus rudis
Lowell Ahart
1999-9-21
8267
Butte
Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC50790
Ambrosia artemisiifolia
Vernon H. Oswald; Lowell Ahart
1990-7-31
4425
Butte
Camelot Estates Subdivision on the north side of Concow Reservoir.
621
Comment
CHSC64064
Ambrosia artemisiifolia
B. Castro; L. P. Janeway, M. Halterman, C. Pidgeon
1987-10-17
246
Butte
At Graylodge Waterfowl Management Area. Ca 0.25 mi NW of the headquarters.
21
Comment
CAS-BOT-BC55583
Ambrosia psilostachya
A. A. Heller
1914-8-11
11759
Butte
Chico-Hamilton road, 6 miles from Chico
Comment
UCD128818
Ambrosia psilostachya
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13076
Butte
Northern Sacramento Valley: Biggs East Hwy, 1.6 miles east of CA-99 at Biggs.
35
Comment
UC726481
Amelanchier utahensis
A. A. Heller
1919-5-17
13156
Butte
near Stirling (Feather River); Feather River
975
Comment
UC1563265
Ammannia coccinea
Lowell Ahart
1990-10-5
6632
Butte
ca. 3/4 mi. n.w. of Enterprise Bridge across Lake Oroville (ca. 1/8 mi. s.w. of Enterprise Boat Launch Area)
228
Comment Read comments 1
CHSC75968
Ammannia robusta
Lowell Ahart; Vernon Oswald
1999-8-13
8168
Butte
Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
JEPS87378
Ammannia robusta
Lowell Ahart
1993-7-13
7067
Butte
ca. 1 1/2 mi. n. & 1 mi. e. Honcut (ca. 12 mi. s. of Oroville, Peter Ahart Ranch); Peter Ahart Ranch
36
Comment
UC1609217
Amsinckia eastwoodiae
David Young
1983-3-20
5
Butte
4 km e of Chico (23 m w of Humbolt Rd, .8 km n of Little Chico Creek, ne corner of nw corner of Sect. 29)
99
Comment
CHSC42063
Amsinckia intermedia
Lowell Ahart
1986-11-7
5430
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
SEINET10497096
Amsinckia intermedia
Mary Susan Taylor
1980-3-1
Taylor 2343
Butte
T21N R2E se sec 11. Among rocky outcrops on n-facing bluffs overlooking Nance Canyon, ca. 1/4 mi N of Neal Road, ca. 3 mi E of its jct with Hwy 99, ca. 7 mi S of Chico.
122
Comment
CHSC60964
Amsinckia lycopsoides
Lowell Ahart
1993-5-13
6935
Butte
Peter Ahart Ranch, about 1 3/4 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville.
30
Comment
UC172842
Amsinckia menziesii var. menziesii
A. A. Heller
1913-4-7
10725
Butte
hills 6 mi n Oroville
Comment
SEINET10940260
Anagallis arvensis
Mary Susan Taylor
1982-4-28
Taylor 4362
Butte
T17N R1E se/sw sec 13. Pennington qud. Graylodge Wildlife Refuge, n side of Rutherford Rd, ca. 1/2 mi w ofits jct with Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
NY158191
Ancistrocarphus filagineus
R. M. Austin
03 1883
s.n.
Butte
Adobe Flats, Little Chico
Comment
CHSC38118
Andropogon virginicus var. virginicus
R. L. Ondricek-Fallscheer
1982-10-30
163
Butte
At sw tip of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
146
Comment
CHSC48684
Anemone oregana
Vernon Oswald
1984-4-16
1156
Butte
Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock.
853
Comment
CHSC28501
Angelica breweri
M. S. Taylor
1979-7-21
2154
Butte
Scattered along trail below Humboldt Peak, on Humboldt Summit.
1981
Comment
CHSC42566
Angelica californica
Vernon Oswald
1985-7-15
1902
Butte
Ponderosa Way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap.
853
Comment
CHSC107264
Anisocarpus madioides
L. P. Janeway
2011-6-27
10403
Butte
Northern High Sierra Nevada. East slope of Bloomer Hill, 830 m east-northeast of the top.
732
Comment
CHSC45695
Anisocarpus madioides
Vernon Oswald
1985-6-17
1842
Butte
Beside a logging road 0.1 mi e of the trailhead to Feather Falls.
768
Comment
CAS-BOT-BC137780
Anthoxanthum odoratum
Lowell Ahart
1981-7-7
2915
Butte
Sierra Nevada. About 1 mile south of the Oroville Forbestown Road on the Hurleton Swedes Flat Road.
600
Comment
SEINET10832445
Antirrhinum breweri
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4174
Butte
T21N R4E ne sec 11. Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
UC196057
Antirrhinum cornutum
A. A. Heller
1914-7-31
11562
Butte
about 6 mi nw Chico (Sacramento Valley); Sacramento Valley
Comment
CHSC48967
Antirrhinum leptaleum
Vernon Oswald
1985-6-26
1868
Butte
West side of Forbestown Rd. ca. 200 ft s of Black Bart Rd.
743
Comment
CHSC25337
Antirrhinum vexillo-calyculatum subsp. intermedium
M. P. Hayes
1977-8-12
30
Butte
100 m from the intersection of Highway 70 and Pulga Raod.
426
Comment
CHSC28432
Antirrhinum vexillo-calyculatum subsp. intermedium
M. S. Taylor
1979-10-5
2230
Butte
On se side of Paradise Lake, ca 1/2 mi n of Coutolenc Rd., ca. 5 mi n of Magalia.
731
Comment
CAS-BOT-BC447660
Aphanes arvensis
A. A. Heller
1916-4-13
12324
Butte
Stilson Canyon east of Chico in the digger pine and blue oak belt
Comment
CHSC12407
Aphanes occidentalis
Lowell Ahart
1973-3-1
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC43854
Aphanes occidentalis
L. P. Janeway
1988-2-21
2588
Butte
Low in cyn of Little Chico Cr ca 2 mi S of Ten Mile House.
243
Comment
SD261367
Aphyllon epigalium subsp. epigalium
K. D. Cox
1974-6-1
188
Butte
Found in yard at 1332 Elliott Rd., Paradise Ca.
609
Comment
CHSC1172
Aphyllon purpureum
R. Carter
1964-4-21
73
Butte
Feather R. Canyon, ca. 200 yds. E of Hibbard Cr. on S side of Hwy. 40A.
609
Comment
CHSC24677
Aphyllon purpureum
C. E. Stopher
1976-4-15
22
Butte
1.6 km nw of Forest Ranch.
579
Comment
CHSC40280
Apocynum androsaemifolium
Lowell Ahart
1985-6-17
5047
Butte
Along the edge of the dirt road, Fields Ridge, about 4 miles south-east of Feather Falls.
792
Comment
UC426935
Apocynum androsaemifolium
E. B. Copeland
1930-7-7
442
Butte
Jonesville
1650
Comment
CHSC38261
Apocynum cannabinum
Vernon Oswald
1983-8-19
1009
Butte
Upper Bidwell Park, Chico, near the e end of Yahi Trail.
207
Comment
SEINET10833598
Aquilegia formosa
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4703
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
CHSC32828
Arbutus menziesii
W. Michael Foster
1981-4-24
10
Butte
Along both sides of Hwy 70, ca. 2 mi NW of Jarbo Gap and ca. 20 mi N of Oroville.
609
Comment
SEINET10492818
Arceuthobium americanum
Mary Susan Taylor
1976-5-3
Taylor 1104
Butte
On Big Bald Rock, ca. 1/4 mi W of Bald Rock Rd, ca. 3 mi E of Lake Madrone, ca. 13 mi NE of Oroville; granite dome; with Calocedrus decurrens, Pinus ponderosa.
998
Comment
UCSC000190
Arceuthobium campylopodum
H. F. Copeland
1928-8-29
s.n.
Butte
the summit of Humboldt Road - neighborhood of Jonesville
2134
Comment
CAS-BOT-BC409925
Arceuthobium campylopodum
Lowell Ahart
1987-9-29
5907
Butte
along dirt road that ends at Sugar Pine Point, about 0.5 miles S of Lumpkin Ridge Road, about 1 mile SE of Camp 18 and 7 miles NE of Feather Falls
1280
Comment
NY8240
Arctostaphylos laxiflora
A. A. Heller
1940-2-6
15493
Butte
Wagstaff Road near the Neal Road, Paradise. Transition Life Zone.
Comment
RSA632990
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27461
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
RSA633010
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27447
Butte
East of Chico, Cohasset Road.
170
Comment
UCD52162
Arctostaphylos manzanita
John Thomas Howell
1975-6-15
51103
Butte
In Upper Sonoran Zone on volcanic rock; about 2 miles from Paradise on 'Skyway' to Chico.
396
Comment
CAS-BOT-BC38826
Arctostaphylos manzanita subsp. manzanita
H. F. Copeland
1932-6-24
A 8
Butte
Humboldt Grade, about 12 miles from Chico
Comment
RSA755635
Arctostaphylos manzanita subsp. manzanita
L. Ahart, John Dittes, Steve Green
2009-1-17
15468
Butte
North side of Humboldt Trail, about 50 yards south of Guardian Rock Trail, Upper Bidwell Park, about 300 yards west of Highway 32.
330
Comment
RSA31999
Arctostaphylos mewukka
A. A. Heller
1942-1-4
16346
Butte
4 miles below Paradise on the Pentz-Magalia Road.
Comment
UC725915
Arctostaphylos mewukka
A. A. Heller
1942-3-22
16407
Butte
one mi above Cohassett school house
Comment
UCR198096
Arctostaphylos mewukka
James I. Mallory
1969-12-2
363
Butte
1 mi northeast of Swain Hill, 1 mi west-southwest of Quartz Hill, 50 ft east of Grubbes Creek Road
1220
Comment
CAS-BOT-BC38563
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51561
Butte
About 2 mi. from Paradise on Skyway to Chico.
396
Comment
CHSC108747
Arctostaphylos mewukka subsp. truei
B. Castro; L. P. Janeway
2002-7-7
1379
Butte
Northern High Sierra Nevada. Flat-topped knoll on E side of Lumpkin Ridge Road 1.3 mi E of the old Camp 18 site, and 0.2 mi SW of junction with USFS Rd 22N24 (which goes N and crosses Fall River).
1295
Comment
CHSC32678
Arctostaphylos mewukka subsp. truei
M. S. Taylor
1981-3-24
3441
Butte
S side of Hwy 70 just E of Heinz Creek, ca. 1 mi E of Pulga.
487
Comment
CHSC34805
Arctostaphylos mewukka subsp. truei
M. S. Taylor
1981-5-13
3701
Butte
Above Foreman Creek, ca. 0.5 mi W of 23N5.5, ca. 1.5 mi S of its jct with Four Trees Rd, ca. 0.5 mi W of Oroville-Quincy Hwy, ca. 2 air mi W of Elks Retreat.
1310
Comment
RSA4476
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672 a
Butte
Jonesville. On ridge east of the Summit'
2100
Comment
CAS-BOT-BC46720
Arctostaphylos patula
M. S. Taylor
1974-3-3
71
Butte
Ca. 5 mi. e. of Chico on the n. side of the Skyway to Paradise.
76
Comment
SEINET10449252
Arctostaphylos patula
Mary Susan Taylor
1981-5-21
Taylor 3780
Butte
T23N R5E nw sec 18, Pulga SW quad. E side of Rd 23N02, ca. 2 mi E of Rag Dump, ca. 6 air mi ne of Magalia. Yellow Pine Forest, on granite soils; 3900 ft.
1189
Comment
SEINET10874396
Arctostaphylos truei
Mary Susan Taylor
1981-3-24
Taylor 3441
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
UCD52620
Arctostaphylos viscida
B. F. Smith
1971-7-20
95
Butte
3.2 miles north of Magalia, Butte County, California.
792
Comment
UCD52628
Arctostaphylos viscida subsp. mariposa
J. I. Mallory
1968-7-1
295
Butte
4 miles south of Brush Creek Ranger Station, Plumas National Forest, Butte County, California.
640
Comment
CAS-BOT-BC48283
Arctostaphylos viscida subsp. viscida
Lowell Ahart
1975-3-27
s.n.
Butte
Swedes Flat road, near Bangor.
304
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
CAS-BOT-BC137553
Aristida oligantha
A. A. Heller
1914-7-15
11576
Butte
Between Pentz and Dry Creek. Hills 8 miles north of Oroville.
Comment
CHSC78950
Aristida oligantha
Lowell Ahart
2000-9-17
8692
Butte
About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
JEPS94791
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
CHSC108855
Aristolochia californica
Lowell Ahart
2012-3-2
17767
Butte
On the south side of Guardian trail, about 40 yards southwest of Pine trail, about 1/4 mile west of Highway 32, about 8 1/2 miles northeast of Chico.
361
Comment
CHSC108862
Aristolochia californica
Lowell Ahart
2012-2-22
17756
Butte
Climbing on a fence, along the short trail to Ten Miles House Road, about 50 feet from Highway 32, about 9 miles northeast of Chico.
469
Comment
POM165725
Aristolochia californica
E. B. Copeland
1903-4-10
s.n.
Butte
Chico
Comment
CAS-BOT-BC295836
Arnica dealbata
A. A. Heller
1928-6-28
14658
Butte
On the ridge south Butte Creek, Butte Meadows
Comment
CHSC41410
Arnica dealbata
Lowell Ahart
1986-7-2
5337
Butte
In a clear cut, 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
CHSC51249
Artemisia douglasiana
Lowell Ahart
1990-10-3
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.
259
Comment
RSA718157
Artemisia douglasiana
L. Ahart
2006-10-12
13502
Butte
On the west side of North Honcut Creek, Peter Ahart Ranch, about 1.5 miles north and 2.75 miles east of Honcut, about 12 miles southeast of Oroville.
59
Comment
CAS-BOT-BC400633
Asarum hartwegii
A. A. Heller
1915-4-12
11809
Butte
Near Cohasset
Comment
RSA718436
Asarum hartwegii
L. Ahart
2006-7-11
12941
Butte
50 yards south of Humboldt Road, about 1.5 miles (air) southwest of Butte Meadows.
1436
Comment
CHSC33286
Asarum lemmonii
R. A. Schlising; R. Banchero
1981-6-29
4126
Butte
Rag Dump (NW of Pulga, N of Concow Res., E. of Magalia) at Fall Creek.
1158
Comment
UC166407
Asclepias cordifolia
Mrs. R. M. Austin
May 1896
287
Butte
Little Chico Creek
Comment
CHSC38265
Asclepias speciosa
Vernon Oswald.
1983-6-14
682
Butte
Upper Bidwell Park, Chico, 100 ft. e of the turn-around at the e end of Upper Park Rd.
207
Comment
JEPS102321
Asclepias speciosa
Lowell Ahart
2001-6-1
8748
Butte
7 1/2 mi W of Biggs (S side of Biggs - Princeton road, about 1 mi E of Butte Creek)
21
Comment
JEPS120898
Asclepias speciosa
Lowell Ahart
2013-6-11
18799
Butte
About 10 yards N of the Forbestown Road, about 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown.
Comment
HSC44928
Asparagus officinalis
J. P. Smith, J. O. Sawyer
1973-4-13
6037
Butte
Under cultivation at the J.O. Sawyer Sr. residence in Chico
Comment
CHSC33558
Aspidotis californica
M. S. Taylor
1981-5-5
3604
Butte
On the e side of Lumpkin-Laporte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville.
457
Comment
CHSC96824
Aspidotis californica
Lowell Ahart
2007-5-22
13917
Butte
About 1/8 mile south of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about a mile from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
844
Comment
UC123070
Aspidotis californica
Mrs. R. M. Austin
April 1883
Butte
Big Chico Canyon
Comment
CAS-BOT-BC65910
Aspidotis densa
H. F. Copeland
1920-8-2
201
Butte
near Jonesville
1219
Comment
CHSC31237
Aspidotis densa
M. S. Taylor; R. A. Schlising
1980-7-6
3076
Butte
Old s side of Old Humboldt Rd, ca. 0.9 mi w of Butte Meadows Forestry Station.
1341
Comment
CHSC32687
Aspidotis densa
M. S. Taylor
1981-3-18
3417
Butte
N side of Pulga Rd at jct with Hwy 70 Pulga bridge.
487
Comment
RSA724874
Aster eatonii
L. Ahart
2006-9-9
13246
Butte
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-BC178464
Astragalus gambelianus
Lowell Ahart
1989-5-10
6227
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
CHSC67362
Astragalus gambelianus
James D. Jokerst; R. A. Schlising
1985-4-8
2215
Butte
Serpentine Point W and adjacent to Hwy. 70 ca. 0.5 mi S of Lunt Rd. In vicinity of highway right of way fence.
548
Comment
CDA26672
Astragalus gambelianus
Sterling O. Mattoon
1971-4-27
Butte
State Highway 32, 6.9 miles east of Chico.
0
Comment
CHSC2446
Asyneuma prenanthoides
R. Carter
1965-7-6
276
Butte
Found 1.4 mi. N of Mountain House on Oroville-Quincy Rd. on E bank above road.
914
Comment
CHSC42893
Asyneuma prenanthoides
L. P. Janeway
1987-6-13
2192
Butte
Along Ponderosa Way (Rim Rd) 2.8 mi NE of Jarbo Gap.
883
Comment
SEINET10532290
Athyrium filix-femina var. californicum
Mary Susan Taylor
1981-4-28
Taylor 3569 B
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
CHSC94559
Athyrium filix-femina var. cyclosorum
Lowell Ahart
2006-9-11
13271
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
UC1586519
Atriplex argentea var. mohavensis
Lowell Ahart
1991-9-6
6712
Butte
about 10 mi se Gridley (on n side of Rutherford Road, about .12 mi w of Pennington Road, w of Parking Area, Gray Lodge Waterfowl Management Area); Gray Lodge Waterfowl Management Area
30
Comment
JEPS90671
Atriplex cordulata
Vernon H. Oswald
1993-7-29
5728
Butte
w of Gridley (Gray Lodge Wildlife Management Area, w side of levee road, 100 ft s of Parking Lot 5 on Rutherford Road, 0.5 mi w of Pennington Road); Gray Lodge Wildlife Management Area
21
Comment
CAS-BOT-BC172670
Atriplex lentiformis
Lowell Ahart
1981-11-6
3217
Butte
Gray Lodge, south-west of Gridley
35
Comment
CAS-BOT-BC172672
Atriplex lentiformis
Lowell Ahart
1987-10-22
5925
Butte
About 150 yards west of the north entrance to the Oroville Wildlife Refuge, west of Pacific Heights Road, about 5 miles south-west of Oroville
38
Comment
CHSC45553
Atriplex serenana
Lowell Ahart
1977-7-24
1493
Butte
On the Gray Lodge Waterfowl Management Area, about 12 miles southwest of Gridley.
30
Comment
CHSC40643
Avena barbata
Ahart; Jokerst
1985-3-24
4865
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
JEPS117626
Avena barbata
Lowell Ahart
2010-5-23
16727
Butte
On both sides of Guardians Trail, about 200 yards southwest of Ten Mile House Road, about 1/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico
413
Comment
CHSC46434
Avena fatua
Lowell Ahart
1989-5-10
6218
Butte
Below the high water line of Lake Oroville, near the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville.
271
Comment
UCR237332
Avena fatua
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18742
Butte
Northern Sacramento Valley, Robinsons Corner, Simpson Rd, just east of junction of East Gridley Road and CA-70
23
Comment
CHSC89489
Baccharis pilularis
R. D. Fischer
2004-8-22
441
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at bottom of 10 Mile House Road near gated end of park property. At edge of large mdw.
217
Comment
CHSC97721
Baccharis pilularis
Lowell Ahart
2007-10-30
14508
Butte
Both sides of the water ditch, north side of Lower Wyandotte Road, about 2 1/2 miles (air) northeast of Palermo, about 4 1/4 miles (air) southeast of Oroville.
129
Comment
UCD19369
Bacopa rotundifolia
E. Dean; with J. Ditomaso and E. Healy
2001-8-20
860
Butte
Biggs UC Field Station. North of town of Biggs, W of jct of Hwys 99 and 162. Just S of main research buildings at field station, W of RR tracks and ca. 2 east-west running dirt roads S of buildings. Along east-west running dirt road.
30
Comment
CAS-BOT-BC16376
Barbarea orthoceras
Lowell Ahart
1987-5-6
5508
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC48314
Barbarea orthoceras
Vernon Oswald
1984-5-9
1180
Butte
Near Camp Lassen, Chico Meadows on Scout Rd ca. 1 mi n of Butte Meadows.
1292
Comment
CHSC34774
Bassia hyssopifolia
L. Ahart
1981-11-6
3222
Butte
On banks of deep ditch, n side of rd near entrance to Graylodge Waterfowl Mgmt HQ, just w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CHSC3610
Bellis perennis
R. Jaegel
1966-2-15
9
Butte
Collected on the front lawn of Chico State College Library; Chico.
Comment
UC2026872
Berberis
Lowell Ahart
2012-6-21
18200
Butte
On the south side of the paved park road, west of entrance from Woodland Avenue, Lower Bidwell Park, Chico.
Comment
CHSC44474
Berberis aquifolium var. dictyota
Lowell Ahart
1988-3-27
5942
Butte
Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
350
Comment
UC725880
Berberis aquifolium var. repens
A. A. Heller
1939-4-8
15365
Butte
2 mi e Magalia (on the Coutolene rd)
Comment
CAS-BOT-BC75952
Berberis pumila
A. A. Heller
1939-4-8
15365
Butte
About 2 miles east of Magalia on the Coutelene road.
Comment
CHSC83278
Bergia texana
Lowell Ahart
2002-12-6
10021
Butte
On the bottom of a wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles southeast of Oroville.
27
Comment
CHSC84020
Bergia texana
Lowell Ahart
2003-6-23
10306
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
SBBG119802
Bergia texana
L. Ahart
2006-8-5
13083
Butte
Peter Ahart Ranch, ca. 1.5 mi N and 300 yds E of Honcut, ca. 12 mi S of Oroville
30
Comment
CAS-BOT-BC412957
Bistorta bistortoides
E. B. Copeland
1929-7-20
357
Butte
Jonesville
1550
Comment
CHSC113483
Bistorta bistortoides
Lowell Ahart
2014-7-13
19664
Butte
South edge of a large wet meadow (some bog), about 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC23409
Blennosperma nanum
M. S. Taylor
1976-3-6
1018
Butte
On top of Table Mountain, ca. 50 yds W of Cherokee Rd, ca. 2 mi NW of Oroville.
373
Comment
CDA38795
Blennosperma nanum var. nanum
L. Ahart
2012-5-4
17988
Butte
About 1/4 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.
Comment
HSC43098
Blennosperma nanum var. nanum
Maralyn O'Meara
1974-4-20
302
Butte
Table Mtn.
305
Comment
CHSC41902
Boechera breweri subsp. shastaensis
Lowell Ahart
1961-2-26
2
Butte
At the Salmon Hole, Upper Bidwell Park, Chico.
91
Comment
SEINET10939932
Boisduvalia densiflora
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4120
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
RSA0028756
Boisduvalia stricta
A. A. Heller
1938-5-22
15107
Butte
Near the airport north of Chico.
91
Comment
CAS-BOT-BC75487
Bolboschoenus glaucus
L. H. Cloyd
1940-7-3
3 A
Butte
Gray Lodge Refuge, 9 miles north of Gridley.
Comment
CHSC63213
Botrychium crenulatum
Lowell Ahart
1994-7-24
7516
Butte
On the sides of Willow Creek, about 100 yards north of the dirt road, about 1 1/4 miles (air) north of Jonesville.
1615
Comment
SEINET10971526
Botrychium multifidum subsp. silaifolium
Lowell Ahart, Peter Ahart
1983-9-21
Ahart 4462
Butte
T20N R8E section 5. Along French Creek, ca. 3 mi n of the Sly Creek Dam, n of Strawberry Valley. Yellow Pine Forest; 900 m.
900
Comment
SD9258
Botrychium simplex
E. B. Copeland
1931-6-9
Butte
Jonesville
1500
Comment
CHSC48892
Boykinia occidentalis
Vernon Oswald
1985-6-17
1839
Butte
Bryant Ravine Rd. at Bryant Ravine Creek, 0.2 mi s of the trailhead to Feather Falls.
746
Comment
CDA1767
Brachypodium distachyon
T. C. Fuller
1959-7-6
s.n.
Butte
Hwy 40A at bridge over the West Branch, Feather River.
0
Comment
CHSC103158
Brachypodium distachyon
Lowell Ahart
2009-6-3
15821
Butte
About 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
232
Comment
RSA739617
Brachypodium distachyon
L. P. Janeway, B. Castro
2007-5-19
8980
Butte
Cascade Range Foothills, Bottom of unnamed drainage on SE side of Neal Road, 2.9 air km NE of Hwy 99, under the high power lines.
99
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
CHSC31649
Brassica rapa
L. Ahart
1978-3-11
1611
Butte
In a field. Peter Ahart Ranch, Honcut.
50
Comment
CHSC3618
Brassica rapa
John Francis
1966-2-21
18
Butte
Orchard across road from Durham Cemetery.
Comment
CHSC38046
Brassica rapa
R. E. Preston
1983-1-9
376
Butte
In ditch on w side of Aguas Frias Rd, 1.2 mi n of Ritchvale Rd, ca. 6 mi w of Richvale.
27
Comment
CAS-BOT-BC106319
Brickellia californica
Lowell Ahart
1987-7-3
5762
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
274
Comment
SEINET10971165
Brickellia californica
Mary Susan Taylor
1979-9-28
Taylor 2197
Butte
Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop.
488
Comment
CHSC41556
Briza maxima
R. L. Ondricek-Fallscheer
1982-5-25
135
Butte
NE side of tip of Flatiron Ridge; ca. 3 1/2 mi wsw of Paradise.
182
Comment
SEINET10507327
Briza maxima
Mary Susan Taylor
1980-5-24
Taylor 2745
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC41131
Briza minor
Rod Bungay
1978-4-25
15
Butte
Ca. 10 ft e of Cohasset Rd ca. 3 mi ne of East Ave. between Chico and Cohasset.
30
Comment
POM204991
Briza minor
A. A. Heller, H. E. Brown
1902-5-6
1439
Butte
Berry Canyon (Near Clear Creek)
Comment
CAS-BOT-BC482213
Brodiaea californica subsp. californica
Agnes W Purnell
1923-5-1
s.n.
Butte
1.7 mi. se. of Big Butte Creek, U.S. Hwy. 99 E
Comment
CHSC2075
Brodiaea elegans
M. Roberson
1956-5-28
Butte
Near Paradise, along Skyway.
426
Comment
SEINET10872217
Brodiaea elegans
Lowell Ahart
1983-6-6
Ahart 4028
Butte
Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Valley Grassland; 50 m.
50
Comment
JEPS50771
Brodiaea elegans subsp. elegans
Rimo Bacigalupi with Paul Hutchison and L. R. Heckard
1967-6-16
9290
Butte
about 1 mi n of beginning of grade on Feather River Highway (just e of Messilla Valley)
304
Comment
UC1442879
Brodiaea nana
Theodore F. Niehaus
1966-4-25
655
Butte
at junction of Pentz road and Clark road
Comment
CAS-BOT-BC27869
Brodiaea purdyi
Carlton Elmer Purdy
1896-1-1
s.n.
Butte
Hills back of Chico
Comment
CHSC51935
Brodiaea sierrae
L. P. Janeway
1987-5-20
2070
Butte
Above Hwy 70 3.5 mi NE of Jarbo Gap.
594
Comment
CHSC74031
Brodiaea sierrae
B. Castro
1998-7-28
812
Butte
Ca. 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Sunset Hill Meadow.
929
Comment
CHSC44451
Bromus carinatus
Lowell Ahart
1988-6-23
6073
Butte
South of the intersection of Black Bart Road and Forbestown Road, about 1 miles west of Robinson Mill Road.
670
Comment
UC600594
Bromus carinatus var. carinatus
H. F. Copeland
1931-6-11
Butte
above Kirby Meadows (Jonesville); Jonesville
1981
Comment
UCD59169
Bromus carinatus var. marginatus
A. A. Heller
1917-7-26
12832
Butte
Butte Meadows.
1280
Comment
JEPS110453
Bromus ciliatus
Lowell Ahart
2006-7-16
12975
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
CAS-BOT-BC155945
Bromus commutatus
Lowell Ahart
1989-5-29
6316
Butte
Along the gravel road to the Forbestown Reservoir, about 1 mile northeast of Forbestown.
792
Comment
CHSC36546
Bromus hordeaceus
L. Ahart
1982-6-4
3549
Butte
On a lava cap, 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CHSC74153
Bromus laevipes
B. Castro; E. Hubert
1996-7-16
685
Butte
Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on slope of recently burned area at edge of forest. Near drainage.
1158
Comment
JEPS106201
Bromus laevipes
Lowell Ahart
2004-5-27
10958
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
45
Comment
CHSC100992
Bromus madritensis subsp. madritensis
L. P. Janeway
2008-4-2
9249
Butte
Cascade Range Foothills. East edge of City of Chico; slope on north side of Humboldt Road 2.9 km northeast of Bruce Road.
167
Comment
RSA591528
Bromus marginatus
H. F. Copeland
1930-7-20
1345
Butte
Jonesville.
1524
Comment
CHSC49518
Bromus orcuttianus
Vernon Oswald
1983-7-6
807
Butte
Near Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch. On an old logging road.
1036
Comment
SEINET10507343
Bromus sterilis
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4238
Butte
T22N R6E sw sec 36. Ca. 0.5 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 500 m.
500
Comment
CHSC61366
Bromus vulgaris
Lowell Ahart
1993-7-22
7073
Butte
On the west side of the dirt road, about 1/2 mile north-west of Camp 18, about 5 1/2 miles (air) north-east of Feather Falls.
1097
Comment
CAS-BOT-BC438359
Calandrinia ciliata
A. A. Heller
1914-4-13
s.n.
Butte
Hills 8 miles north of Oroville
Comment
RSA521825
Callitriche heterophylla
Vernon H. Oswald
1988-5-19
3324
Butte
Portion of Rancho Bosquero; 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.
46
Comment
CHSC40398
Callitriche heterophylla var. bolanderi
Ahart; Jokerst
1985-5-10
4946
Butte
On the bottom of the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
320
Comment
CHSC51361
Callitriche heterophylla var. bolanderi
V. Oswald; L. Ahart, L. Hanson
1990-8-14
4439
Butte
French Creek on the north side of Forest Rd 21N16, ca. 0.75 mile west of the north end of Sly Creek Reservoir. In a pool.
1219
Comment
JEPS95736
Callitriche heterophylla var. heterophylla
Lowell Ahart
1995-5-26
7574
Butte
12 mi S of Oroville (Peter Ahart Ranch, 2 mi N and 1/4 mi E of Honcut)
36
Comment
CHSC116969
Calochortus albus
Danielle Gee
2013-4-27
Butte
Dark Canyon Road, about 2.5 miles off Hwy 70.
400
Comment
UC565379
Calochortus albus
Helen Hedges
1937-5-22
Butte
near Enterprise (Midas Mine); South Fork of the Feather River
396
Comment
CAS-BOT-BC487509
Calochortus albus
Carl B. Wolf
1937-5-13
8654
Butte
Sierra Nevada Foothills, W. side of So. Honcut Creek, 2 6/10 mi. E. of Bangor
213
Comment
HSC66270
Calochortus albus
M. S. Taylor, Jim Jokerst
1980-4-27
2567
Butte
S side of Humbug Rd., 0.5 mi. upstream from Honey Run Covered Bridge, 7 mi. E of Chico
137
Comment
CHSC49643
Calochortus coeruleus
Vernon Oswald
1983-6-22
745
Butte
Near Humboldt Rd. (to Butte Meadows) 2.1 mi n-e of Calif. Hwy 32.
1310
Comment
UCD139503
Calochortus coeruleus
K. Lui
1998-5-24
24
Butte
Lassen National Forest, Pulga, unpaved road 1.5 km south of Poe Dam where State Route 70 crosses North Fork Feather River.
463
Comment
CAS-BOT-BC489974
Calochortus leichtlinii
E. B. Copeland
1929-7-17
352
Butte
Above Jonesville.
2000
Comment
RSA113891
Calochortus luteus
E. K. Balls, Lee W. Lenz
1955-5-13
20482
Butte
3.2 miles north of Oroville on road to Magalia and Paradise
122
Comment
UC143582
Calochortus luteus
Mrs. R. M. Austin
May 1896
26
Butte
Chico Creek
Comment
CHSC101328
Calochortus monophyllus
Lowell Ahart
2009-4-22
15597
Butte
West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC7087
Calochortus monophyllus
F. Kimball
1969-4-15
42
Butte
1.5 mi s of Skyway on Foster Rd.
396
Comment
CHSC90184
Calochortus monophyllus
Thomas M. Scott
1989-4-19
9
Butte
About 50 m east of Butte Creek at Covered Bridge; 10.2 km east-southeast of Chico.
120
Comment
UC203547
Calochortus monophyllus
A. A. Heller
1914-4-16
11295
Butte
8 mi from Chico (on the Chico-Centerville road; near Butte Creek)
Comment
CAS-BOT-BC492603
Calochortus monophyllus
L. S. Rose
1931-4-12
s.n.
Butte
Honcut
Comment
SEINET10469599
Calochortus monophyllus
Mary Susan Taylor
1980-4-18
Taylor 2511
Butte
T23N R3E ne sec 27 Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Road; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
SEINET12048519
Calochortus monophyllus
Unknown
1984-1
5
Butte
ca 3 mi E from the jct of Honey Run and Humbug roads, N side of road
305
Comment
SEINET3885390
Calochortus tolmiei
D. W. McNeal
1981-5-10
2485
Butte
Above a rd. cut on the rd. from Paradise to Butte Meadows 4.6 mi. n. of the terminous of Hwy. #191 in Paradise.; 0
Comment
SD1664
Caltha howellii
E. B. Copeland
June 1930
Butte
Jonesville; in meadows by North Willow Creek
1550
Comment
UC762558
Calycadenia fremontii
R. F. Hoover
1937-5-19
2244
Butte
10 mi nw of Chico
Comment
CAS-BOT-BC273289
Calycadenia fremontii
G. D. Carr
1971-6-15
561
Butte
NE of Chico, 1.6 mi SW of N boundary of Upper Bidwell Park (Devil's Kitchen), (ca. 4.3 mi NE of Manzanita Ave on Upper Bidwell Canyon Rd via Wildwood Ave)
210
Comment
CHSC46630
Calycadenia multiglandulosa
Lowell Ahart
1989-7-4
6363
Butte
Near a mined over area south of Oregon Gulch Road, about 1/4 mile northwest of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
UC195401
Calycadenia oppositifolia
A. A. Heller
1914-5-22
11426
Butte
about 5 mi n of, on the Richardson Springs road Chico
Comment
UC1971666
Calycadenia oppositifolia
1977-7-6
2032
Butte
just SW of Bloomer Hill Lookout on Encina Grande Road, 4.6 mi from jct with Quincy/Oroville Hwy (very near GDC 699)
831
Comment
UC1119094
Calycadenia spicata
C. G. Albertus
1935-6-15
29
Butte
2 mi w of Themalte; Chico
45
Comment
CAS-BOT-BC270883
Calycadenia spicata
Lowell Ahart
1980-7-4
2447
Butte
Thermalito
65
Comment
CHSC52383
Calycadenia truncata
R. L. Ondricek-Fallscheer
1982-10-30
162
Butte
SW tip of Flatiron Ridge, ca. 3 1/2 mi WSW of Paradise.
146
Comment
CAS-BOT-BC90927
Calycanthus occidentalis
John Thomas Howell
1961-9-22
36752
Butte
Sierra Nevada. Feather River Highway 3 miles from Oroville.
106
Comment
UC854796
Calycanthus occidentalis
R. Sprague
1939-5-20
Butte
Feather River
Comment
CHSC57127
Calyptridium monospermum
L. P. Janeway
1988-6-25
2881
Butte
Creek along Bull Hill Road 2.2 mi from the Skyway. Disturbed (logged) slopes above the creek.
1508
Comment
CHSC46783
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising
1983-6-9
4423
Butte
Along Hwy 32, 7.2 mile N of Nopel Road in Forest Ranch.
Comment
CHSC95077
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 Sabla Reservoir, where Ponderosa Way (Understock Road) crosses the confluence of Butte Creek and Hendricks Canal. Along edge of the canal bank.
847
Comment
RSA718168
Calystegia malacophylla
L. Ahart
2006-7-11
12942
Butte
100 yards south of Humboldt Road, about 1 3/8 miles (air) southwest of Butte Meadows.
1401
Comment
CAS-BOT-BC221230
Calystegia malacophylla subsp. malacophylla
Lowell Ahart
1982-9-29
3832
Butte
At the north end of the Lost Creek Res. Dam, about 2 miles north-west of Strawberry Valley
1100
Comment
UC600771
Calystegia malacophylla subsp. malacophylla
H. F. Copeland
1920-7-6
339
Butte
Jonesville woods Jonesville
Comment
CHSC46360
Calystegia occidentalis
Lowell Ahart
1989-5-28
6300
Butte
On a steep slope south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CHSC34976
Calystegia occidentalis subsp. occidentalis
R. A. Schlising; L. A. Bellue
1973-6-13
3096
Butte
E of Oroville and Forbestown, 0.6 mi SE of jct Forbestown Road and Challenge Cutoff, along the latter.
Comment
CHSC44446
Camassia quamash subsp. breviflora
Lowell Ahart
1988-6-15
6038
Butte
Small meadow north of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
RSA456171
Campanula prenanthoides
H. F. Copeland
599
Butte
Jonesville.
1524
Comment
SEINET10939041
Campanula scouleri
Hall
Hall 9798
Butte
NEAR BUTTE MEADOES, ON FLAT IN SHADE OF CEDAR & PINE
1280
Comment
CHSC34534
Capsella bursa-pastoris
R. E. Preston
1982-2-18
172
Butte
At base of cliffs, n side of Anderson Fork of Rock Creek. Ca. 7.5 mi nne of downtown Chico.
213
Comment
CHSC42509
Capsella bursa-pastoris
Lowell Ahart
1987-5-6
5510
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
274
Comment
CAS-BOT-BC37263
Cardamine breweri
H. F. Copeland
1920-5-20
s.n.
Butte
Jonesville.
1219
Comment
UCR51788
Cardamine californica
H. F. Copeland
1929-5-9
1251
Butte
Jonesville
1524
Comment
CHSC60664
Cardamine californica var. californica
Vernon H. Oswald
1993-4-12
5258
Butte
S wall of Flag Canyon on the NW edge of North Table Mtn., N of Oroville. Along an old track.
341
Comment
CHSC96240
Cardamine californica var. californica
R. Fischer
2006-3-17
983
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east -side addition along Hwy. 32. Plants growing along the south rim Trail ca. 200 yds south of the old cabin/pond site.
237
Comment
JEPS105938
Cardamine oligosperma
Lowell Ahart
2004-3-26
10704
Butte
On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville
502
Comment
SEINET10448554
Cardamine oligosperma
Mary Susan Taylor
1975-4-26
Taylor 521
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
CAS-BOT-BC38061
Cardamine pachystigma
Lowell Ahart
1983-3-28
3906
Butte
About 0.5 mile southwest of the Forbestown Reservoir, along the road. About 4 miles northeast of Forbestown.
450
Comment
CAS-BOT-BC38062
Cardamine pachystigma
A. A. Heller
1919-3-29
13092
Butte
Feather River near Yankee Hill.
Comment
CHSC92532
Cardamine pachystigma
L. P. Janeway; S. Mackey Hillaire, M. Brown, J. Tuitele-Lewis
2005-4-26
8369
Butte
Northern High Sierra Nevada. Plumas National Forest; Ridgetop between Cirby Creek and Flea Valley Creek drainages; along Concow Road 0.9 road km north-northwest of junction with Rim Road (Ponderosa Way).
1042
Comment
CHSC103975
Carduus pycnocephalus
Lowell Ahart
2010-5-7
16613
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
CHSC112785
Carex
Lowell Ahart
2013-5-27
18710
Butte
On both sides of the meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
763
Comment
CHSC113410
Carex abrupta
Lowell Ahart
2014-7-10
19618
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC52278
Carex abrupta
L. P. Janeway; R. A. Schlising
1988-7-22
3068
Butte
Upper canyon of Philbrook Cr, 0.7 mi W of the pass.
1889
Comment
CHSC38068
Carex amplifolia
R. E. Preston
1982-6-23
313
Butte
On the bank of Fall Creek, SW of Rag Dump.
1158
Comment
SEINET10467018
Carex amplifolia
Lowell Ahart
1985-6-30
Ahart 5077
Butte
East of the dirt road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown.
Comment
CHSC53712
Carex angustata
L. P. Janeway; C. A. Janeway
1986-8-31
1814
Butte
Near the Picnic Area on the NE side of Philbrook Reservoir. Grassy meadow a little away from the lake.
1691
Comment
CHSC84747
Carex angustata
L. P. Janeway
2003-6-8
7823
Butte
High Cascade Range. Flea Valley: meadow at head of Concow Creek.
1091
Comment
CHSC88224
Carex angustata
Lowell Ahart
2004-8-2
11327
Butte
Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain.
1452
Comment
JEPS121965
Carex angustata
Lowell Ahart
2014-7-7
19579
Butte
North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
SEINET10587463
Carex angustata
Lawrence P. Janeway, Robert A. Schlising
1988-7-1
Janeway 2926
Butte
T26N, R5E, Jonesville quad (15') SE 1/4 od sec. 20. Small shallow lake (leach lake), 1/2 mi W of Butte Creek House. Forming an isolated patch close to the forest bordeing the pond. With C. vesicaria (which is the dominant plant in & next to the lake.)
1814
Comment
CAS-BOT-BC18055
Carex athrostachya
H. F. Copeland
1928-8-20
1063
Butte
Jonesville.
Comment
SEINET4285994
Carex athrostachya
Unknown
2010-1
s.n.
Butte
Near Cornelia Lott Sank Memorial Spring.
Comment
CHSC42822
Carex aurea
L. P. Janeway
1987-6-20
2273
Butte
Near Fall River, 3.0 mi north of the Feather Falls-Lumpkin Ridge Rd along the rd to Fall River and Cascade.
1013
Comment
CHSC44693
Carex aurea
L. P. Janeway; R. A. Schlising
1988-7-16
3025
Butte
Large mdw at head of Willow Cr.
1935
Comment
HSC87258
Carex barbarae
L. P. Janeway, C. A. Janeway
1986-10-4
1901
Butte
Along bank of Butte Creek in Butte Creek Canyon, 1 1/2mi E of Skyway
84
Comment
CHSC102427
Carex bolanderi
Lowell Ahart
2009-6-19
15928
Butte
On wet soil, drainage in woodland, about 30 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
269
Comment
CHSC52253
Carex bolanderi
L. P. Janeway; R. A. Schlising
1988-7-16
3008
Butte
Along Willow Creek 1/2 mi NW of Jonesville.
1508
Comment
JEPS124417
Carex bolanderi
Lowell Ahart
2015-6-16
20232
Butte
About 3 1/2 miles (by road) northwest of Fall River Bridge, about 5 miles (air) northwest of Camp 18, about 8 1/2 miles (air) northeast of Feather Falls.
Comment
SEINET4289436
Carex cusickii
L. Janeway, Gog, L
2008-1
3197 A
Butte
Pat's Meadow. Along Butte Creek, 0.6 mi. W of Cherry Creek Campground.
Comment
CHSC115743
Carex cyrtostachya
P. F. Zika; B. Wilson, L. Ahart, L. Janeway
2011-8-5
25712
Butte
Northern Sierra Nevada Highlands. 0.5 air miles NE of Litte Bald Rock, NE of and below Bean Creek Road 0.6 road miles from Bald Rock Road.
1005
Comment
JEPS121422
Carex cyrtostachya
P. F. Zika, B. Wilson, L. Ahart, L. Janeway
2011-8-5
25713
Butte
Lumpkin Road, 1.1 road km SW of junction with road to Cascade, headwaters of upper W branch of Know-nothing Creek, 2.1 air km S of top of Quartz Hill; northern Sierra Nevada Highlands (n SNH)
Comment
HSC104258
Carex cyrtostachya
L. Ahart
1998-7-19
8052
Butte
About 0.5 mi. NW of the Lost Creek Reservoir, ~0.75 mi. NW of the Lost Creek Dam
1021
Comment
CHSC45079
Carex echinata subsp. echinata
Vernon Oswald
1987-5-21
2920
Butte
Just w of the Skyway 1.4 mi s of Inskip.
1426
Comment
HSC87066
Carex feta
L. P. Janeway
1988-6-16
2799
Butte
Along road on W side of canyon of Butte Creek, 3.5 mi. S of Humboldt Rd.
1296
Comment
UC532225
Carex fracta
H. F. Copeland
1930-7-21
1367
Butte
Jonesville
1524
Comment
SEINET4292192
Carex gracilior
Unknown
2003-1
7782
Butte
Sacramento Valley. North end of Chico; along Sycamore Creek 160 m west of Cohasset Road bridge. Richardson Springs 7.5' quad.
Comment
CHSC44119
Carex jonesii
L. P. Janeway
1987-6-26
2292
Butte
At Rag Dump.
1173
Comment
CHSC43875
Carex laeviculmis
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles.
1987-7-19
2501
Butte
Coon Hollow, 1.0 mi SE of the Humbug Summit Rd.
1661
Comment
CHSC52281
Carex mariposana
L. P. Janeway; R. A. Schlising
1988-7-1
2922
Butte
Rocky edges of Summit Lake (flank of Snow Mtn).
1889
Comment
CHSC42368
Carex multicaulis
Lowell Ahart
1987-5-11
5623
Butte
North of the Forbestown Ditch along the dirt road, about 1 1/2 miles north-east of Forbestown.
853
Comment
CAS-BOT-BC119744
Carex nebrascensis
L. P. Janeway; C. A. Janeway
1986-9-13
1848
Butte
Jonesville quad. Along Humbug Rd. ca 1.5 mi SW of Humbug Summit.
1859
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
SEINET10711616
Carex nudata
Lawrence P. Janeway
1988-6-14
Janeway 2768
Butte
T25N, R3E, Stirling City quad. SE1/4 of sec. 34. Along West Branch Butte Creek at crossing of road 1.9 mi west from Hwy 32 towards Ewalt Camp. Forming dense clumps in rocks at edge of and in te creek. With Darmera peltata.
922
Comment
CHSC52232
Carex pachystachya
L. P. Janeway
1987-6-20
2254
Butte
South Fork Feather River at crossing of road from Lumpkin Ridge to Mooreville Ridge, 3.3 mi from the Feather Falls-Lumpkin Ridge Road.
975
Comment
JEPS102949
Carex retroflexa var. texensis
L. P. Janeway
1997-4-20
5105
Butte
Within the City of Chico; south side of town; in backyard lawn at 129 W. 19th Street
60
Comment
CAS-BOT-BC117986
Carex rossii
John Thomas Howell
1962-6-16
37537
Butte
Magalia
731
Comment
CAS-BOT-BC117391
Carex senta
A. S. Crafts
1976-4-12
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CAS-BOT-BC117542
Carex serratodens
L. P. Janeway; C. A. Janeway
1986-10-12
1918
Butte
Side canyon on N side of N Fk Feather River and along Hwy 70 ca 5 mi E of Jarbo Gap.
487
Comment
CDA13295
Carex stipata var. stipata
G. F. Hrusa, T. D. Wilfred
1996-7-9
13143
Butte
Plumas National Forest; Jordan Creek, above waterfall nr. confluence with Marble Creek. S of Hwy 162 near Roger's Cow Camp.
Comment
CAS-BOT-BC116736
Carex subfusca
Herbert Faulkner Copeland
1929-7-20
611
Butte
Jonesville, in woods by Jones Creek.
1500
Comment
CHSC83287
Carex subfusca
L. P. Janeway; B. Castro
2002-7-7
7616
Butte
High Cascade Range. Along logging spur road, 0.5 km east of the County Road (Forest Service Road 25N02); 3.4 km northeast of Bald Mountain Lookout and 1.6 km southwest of Jones Meadow.
1829
Comment
JEPS102955
Carex subfusca
L. P. Janeway, B. Castro
2002-7-7
7620
Butte
High Cascade Range. Along the County Road above Discovery Creek and Last Chance Creek; 1.3 km north of Bald Mountain Lookout
1609
Comment
OBI22634
Carex subfusca
H. F. Copeland
1932-7-14
s.n.
Butte
Vicinity of Jonesville, Lassen Natl Forest
Comment
SEINET5242710
Carex subfusca
Unknown
1915-6-25
12018
Butte
Chico Meadows in the Sierra Nevada
Comment
JEPS120093
Carex texensis
Lowell Ahart
2012-6-14
18182
Butte
At the entrance to Lower Bidwell Park, east of Woodland Avenue, Chico.
Comment
RSA0080127
Carex texensis
Lowell Ahart
2012-6-14
18182
Butte
Chico. At the entrance to Lower Bidwell Park, east of Woodland Avenue.
61
Comment
HSC95493
Carex texensis
L. P. Janeway
1997-4-20
5105
Butte
S side of City of Chico, 129 W 19th St.
61
Comment
CAS-BOT-BC115303
Carex utriculata
L. P. Janeway
1988-7-29
3133
Butte
Meadow near Humbug Summit Rd. 1.5 mi NE of the Snag Lake Dam.
1767
Comment
CHSC47143
Carex vesicaria
Henricus Jansen
1989-7-15
Butte
Snag Lake.
Comment
SEINET6331714
Carex vesicaria
H. F. Copeland
1932-8-19
s.n.
Butte
vicinity of Jonesville, Lassen National Forest
Comment
CHSC98986
Carex vulpinoidea
Lowell Ahart
2008-6-2
14805
Butte
Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 50 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
243
Comment
CHSC113465
Carex whitneyi
Lowell Ahart
2014-7-7
19603
Butte
In a large disturbed area on the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC44838
Carex whitneyi
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-23
3077
Butte
Top of ridge between Snag Lake and Butte Cr; ca 1.4 air mi W of Butte Creek House.
1935
Comment
JEPS117914
Carex whitneyi
L. P. Janeway & Linus Gog
2008-7-19
9443
Butte
North sid of Scotts John Creek at crossing of Road 26N27 (the connector between Humboldt Road and Humbug Summit Road). High Cascade Range
1740
Comment
CAS-BOT-BC499135
Carex xerophila
Peter F. Zika; L. P. Janeway
2012-5-16
25868
Butte
Coutolenc Road 0.1 mi N of Skyway Rd.
720
Comment
UCR190826
Castilleja
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
UC726977
Castilleja affinis subsp. affinis
A. A. Heller
1941-4-12
16066
Butte
2 mi above Pentz (Pentz-Paradise Grade)
Comment
CHSC52138
Castilleja attenuata
C. W. Dawson
1978-3-29
6
Butte
1.5 mi se of Paradise and junction of Pearson Rd. and Clark Rd. (Hwy. 191) 800 ft nnw of rdwy, at top of ridge.
335
Comment
CHSC62584
Castilleja attenuata
L. P. Janeway
1993-5-2
4339
Butte
Adjacent to serpentine rocky outcrop narrow ridge, south of Serpentine Point and above Hwy 70.
518
Comment
CHSC34080
Castilleja lacera
M. S. Taylor
1980-5-15
2624
Butte
Cohasset Ridge, ca. 1/4 mi e of Cohasset Rd. ca. 9 mi ne of Chico.
396
Comment
UC726419
Castilleja lacera
A. A. Heller
1941-5-9
16107
Butte
0.5 mi above old Clear Creek Post Office site (on the Clark Road to Paradise)
Comment
CHSC33341
Castilleja rubicundula subsp. rubicundula
R. Banchero; R. Schlising
1981-5-3
460
Butte
0.2 mi e of the jct of Meridian Rd and Hwy 99.
Comment
CHSC27264
Casuarina equisetifolia
P. Moyer
1971-2-1
76
Butte
CSUC campus. Cherry St. on sidewalk behind Engineering Bldg.
60
Comment
CHSC61027
Casuarina equisetifolia
Vernon H. Oswald
1993-7-29
5731
Butte
Gray Lodge Wildlife management Area W of Gridley, S side of Rutherford Rd. at Parking Lot 4, ca. 1.5 mi W of Pennington Rd.
19
Comment
CHSC4344
Catalpa bignonioides
Carl Pejsa
1967-3-9
19
Butte
Bidwell Park Forestry Station.
Comment
CHSC32664
Ceanothus cuneatus
M. S. Taylor; D. Hemphill
1981-3-18
3431
Butte
Open serpentine ridge nnw of Sawmill Peak, off Jordan Hill Rd (Ponderosa Way), ca. 1 air mi ne of Magalia.
701
Comment
SEINET13945814
Ceanothus cuneatus
T. A. Ranker, P. G. Trapp
1994-1
1618
Butte
Pence Road, S of Paradise, Cherokee Quad (7.5 min TOPO map); ca 1300 ft alt., T21N R4E SEC6
396
Comment
CAS-BOT-BC48816
Ceanothus cuneatus var. cuneatus
D. O. Burge
2007-5-11
DOB 923 b
Butte
Magalia Reservoir, at roadside on Skyway near gravel pit, 1.1 road miles (1.8 km) north of intersection with Pentz Road
700
Comment
UCD123937
Ceanothus cuneatus var. cuneatus
D. O. Burge
2007-5-11
923 e
Butte
Magalia Reservoir, at roadside on Skyway near gravel pit, 1.1 road miles (1.8 km) north of intersection with Pentz Road, 0.29 km 340 deg. (True) NNW of Magalia.
700
Comment
CHSC96968
Ceanothus diversifolius
Lowell Ahart; Lawrence Janeway
2007-7-10
14283
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
CHSC39796
Ceanothus integerrimus
Eloise Gallatin
1935-5-4
Butte
Paradise.
Comment
CHSC77441
Ceanothus integerrimus
Tim Stofer
1997-4-9
2
Butte
Located on the east side of trail 120 ft. from the entrance of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
CHSC90034
Ceanothus integerrimus
Ross Rowland
2001-4-14
44
Butte
On slope at the Skyway and Crossroads Road junction about 50 yards north of Skyway, about 1 1/2 miles south of Neal Road in Paradise. 615480mE/4400220mN/zone 10N.
429
Comment
JEPS115818
Ceanothus integerrimus
Lowell Ahart
2009-4-26
15640
Butte
On the west side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
SBBG28487
Ceanothus integerrimus
A. A. Heller
1938-5-28
Butte
Feather River Hwy, near Pulga
420
Comment
RSA1133
Ceanothus lemmonii
B. D. Stark, H. E. McMinn
1929-7-26
1396
Butte
1.5 miles S of Paradise.
Comment
SEINET10493642
Ceanothus lemmonii
Mary Susan Taylor
1980-5-27
Taylor 2736
Butte
T21N R6E wc border sec 30/29. Big Bend quad. On N side of Bald Rock Rd, ca. 0.5 mi E of Big Bald Rock, ca. 4 mi E of Lake Madrone; granitic soils.
975
Comment
CHSC86137
Ceanothus parvifolius
John Dittes
2002-6-29
624
Butte
Northern High Sierra Nevada Range; Watson Ridge; ca. 2.3 air-miles south of Middle Fork Feather River, ca. 2.9 air-mile west by southwest of Cascade, ca. 6.8 air-miles north by northeast of town of Feather Falls. On slope above FS access road.
1255
Comment
CHSC23638
Ceanothus prostratus
M. S. Taylor
1976-4-4
1057
Butte
Ca. 2 mi w of junc of Ponderosa Way and Hwy 32, on n side of Ponderosa Way, ca. 23 mi ne of Chico.
609
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
LA44964
Ceanothus prostratus
A. A. Heller;
1915-6-11
11971
Butte
Sierra Nevada, Chico Meadows
1219
Comment
UC402669
Ceanothus prostratus
E. B. Copeland
1930-3-29
Butte
De Sabla
800
Comment
SEINET10493652
Ceanothus prostratus
Mary Susan Taylor
1981-4-16
Taylor 3542
Butte
T21N R6E nw sec 18, Brush Creek quad. Galen Ridge, ca. 1 mi SE of Brush Creek. Yellow Pine Forest; 3400 ft.
1036
Comment
UC177577
Ceanothus velutinus var. velutinus
H. M. Hall
July 1914
9804
Butte
near Butte Creek (Jonesville); near Butte Creek, Jonesville
1524
Comment
RSA726481
Centaurea cyanus
L. Ahart
2007-5-16
13893
Butte
About 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel.
463
Comment
CDA7260
Centaurea maculosa
T. C. Fuller
1971-8-18
19925
Butte
North side of overlook parking lot, Oroville Dam, 7 miles east of Oroville.
Comment
CHSC32681
Centaurea melitensis
M. S. Taylor
1981-3-24
3447
Butte
S side of Hwy 70, in turn out just e of Poe Dam, ca. 1 mi e of Pulga, in turn out.
487
Comment
SEINET10473683
Centaurea solstitialis
Mary Susan Taylor
Taylor 776
Butte
Weedy or cultivated plants of Chico.
61
Comment
RSA88447
Centaurium muehlenbergii
J. T. Howell
1951-6-26
27507
Butte
Feather River Canyon.
198
Comment
CHSC28481
Centaurium tenuiflorum
Robert Schlising
1979-8-17
3468
Butte
1/4 mi s jct Hwys 162 to Oroville and 99; along the latter and across from Thermalito Afterbay; widespread at ditch margins but not in grassland.
Comment
CHSC66439
Centaurium tenuiflorum
Vernon H. Oswald; Lowell Ahart
1996-6-10
7758
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 mile Lane and the Sacramento River. At NE corner of Tract 7.2, Sanctuary I.
33
Comment
JEPS93821
Centaurium venustum
Lowell Ahart
1998-7-1
8021
Butte
about 7 air mi n of Oroville (nw of the Ione oak tree, about 1/8 mi nw of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
JEPS94760
Centaurium venustum
Lowell Ahart
1998-6-3
7969
Butte
about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CHSC48165
Centromadia pungens subsp. septentrionalis
Vernon Oswald
1983-6-28
785
Butte
Graylodge Waterfowl Management Area in Parking Lot 17.
Comment
UCSC000159
Cephalanthera austiniae
Kate Conger
1907-1
s.n.
Butte
Brush Creek
Comment
CHSC66677
Cephalanthus occidentalis var. californicus
Vernon Oswald
1996-7-17
8061
Butte
Sacramento River National Wildlife Refuge; Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
30
Comment
RSA754371
Cephalanthus occidentalis var. californicus
L. Ahart
2009-7-9
16019
Butte
E side of Big Chico Creek, about 50 yards W of Ten Mile House Road, Upper Bidwell park, about 3/4 mile (air) W of Highway 32, about 10 miles NE of Chico.
204
Comment
SEINET10537463
Cerastium viscosum
Mary Susan Taylor
1975-4-6
Taylor 435
Butte
Chico.
52
Comment
SEINET10452399
Cercis occidentalis
Mary Susan Taylor
1975-4-25
Taylor 502
Butte
Ca. 20 mi NE of Chico on Cohasset Rd, ca. 0.5 mi N of the horse trough.
Comment
SEINET11908937
Cercocarpus betuloides
Unknown
1975-1
21
Butte
ca 2 mi W of Cohassett, 10 yds S of Cohasset Highway
457
Comment
CHSC1541
Cercocarpus betuloides var. betuloides
M. Roberson
1956-5-14
Butte
SW Paradise, along Skway.
426
Comment
CHSC87207
Chamaemelum fuscatum
Lowell Ahart
2004-4-10
10732
Butte
Road gutter on the north side of Highway 149, about 1 mile northwest of the intersection of Highway 149 and Highway 70, about 6 miles (air) northwest of Oroville.
69
Comment
CHSC102511
Chamaesyce maculata
Lowell Ahart
2009-8-13
16272
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
RSA754388
Chamaesyce maculata
L. Ahart
2009-7-3
15987
Butte
E side of the road, 30 yards SE of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 100 yards E of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CDA13844
Chamaesyce nutans
G. F. Hrusa, T. D. Wilfred
1996-9-6
13572
Butte
Butte Basin; E side of Butte Creek approx. 1/2 mi. NE of confluence with Howard Slough, and immed. below McPherrin Dam (private and scheduled for removal).
Comment
CHSC51365
Chamaesyce serpillifolia subsp. serpillifolia
Vernon Oswald; Lowell Ahart
1990-10-11
4457
Butte
Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the edge of the ramp road below the high-water line of the lake.
265
Comment
SEINET10529957
Cheilanthes carlotta-halliae
Mary Susan Taylor
1980-5-27
Taylor 2662
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
CAS-BOT-BC69444
Cheilanthes gracillima
A. A. Heller
1917-7-29
12852
Butte
Summit of Jonesville.
2133
Comment
SEINET10529919
Cheilanthes gracillima
Mary Susan Taylor, K. Tharp
1983-3-11
Taylor 5223
Butte
T21N R6E se sec 30. Big Bald Rock, ca. 3 mi s of Brush Creek, ne of Oroville. 3200 ft.
975
Comment
SEINET10529942
Cheilanthes siliquosa
Mary Susan Taylor
1981-3-31
Taylor 3465
Butte
T22N R4E north border sec 2/1. Pulga SW quad. S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville; 2800 ft.
853
Comment
RSA755750
Chenopodium
L. Ahart
2009-8-13
16280
Butte
At the west end of a picnic area, on the north side of the channel, about 140 yards east of the diversion structure that controls Mud Creek diversion and Linda Channel, about 40 yards northwest of Big Chico Creek, Upper Bidwell Park, Chico.
69
Comment
RSA725000
Chenopodium ambrosioides var. ambrosioides
L. Ahart
2006-9-11
13281
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
JEPS110079
Chenopodium botrys
Lowell Ahart
2006-7-16
12961
Butte
Near of the open mudflow area, on the south side (road edge) of Humboldt Road, about 1 1/2 miles (air) southwest of Butte Meadows
1435
Comment
CDA3122
Chenopodium multifidum
D. G. Kelch
2006-8-2
6 .349
Butte
Butte Creek, north of Durham-Dayton Highway.
Comment
UC179653
Chenopodium pumilio
A. A. Heller
1914-7-20
11580
Butte
hills 8 mi n Oroville
Comment
UC204577
Chenopodium pumilio
A. A. Heller
1914-7-20
11580
Butte
8 mi n Oroville
Comment
CDA34648
Chenopodium strictum var. glaucophyllum
L. Ahart
2009-8-13
16281
Butte
At the south end of the cement barrier that controls the waster flow into Mud Creek, the north part of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico.
Comment
JEPS87387
Chimaphila menziesii
Lowell Ahart
1993-7-29
7129
Butte
ca. 6 1/2 mi. n.e. Stirling City (ca. 1/8 mi. s.w of Snow Mine, ca. 2 1/2 mi. e. of Bald Mt.)
1463
Comment
CHSC2254
Chlorogalum angustifolium
N. Maxwell
1929-5-15
Butte
Cohasset Road.
304
Comment
UC765935
Chlorogalum angustifolium
R. F. Hoover
1936-5-21
1167
Butte
7 mi n Chico
Comment
POM110261
Chlorogalum angustifolium
C. C. Bruce
1897-04
1838
Butte
[No locality information provided]
Comment
CAS-BOT-BC252669
Chorizanthe membranacea
Lowell Ahart
1975-6-5
s.n.
Butte
North Honcut Creek, Honcut
45
Comment
RSA489567
Chorizanthe polygonoides
James L. Reveal
1988-6-3
7007
Butte
Paradise, 0.2 mile south of Bennett Road along South Libby Road onto the northern end of Morgan Ridge.
518
Comment
CAS-BOT-BC252835
Chorizanthe polygonoides var. polygonoides
Lowell Ahart
1979-5-7
s.n.
Butte
2 1/2 mi. SE of Paradise
472
Comment
CHSC43863
Chorizanthe polygonoides var. polygonoides
Vernon Oswald
1988-4-4
3266
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In the northeast part of the ranch.
60
Comment
NY285649
Chorizanthe polygonoides var. polygonoides
C. C. Parry
s.n.
Butte
Comment
CHSC103960
Chorizanthe stellulata
Lowell Ahart
2010-5-23
16735
Butte
On the west side of Pine trail, about 40 yards west of Highway 32, about 9 miles (air) northeast of Chico.
478
Comment
CHSC12738
Chorizanthe stellulata
M. S. Taylor
1974-5-20
236
Butte
Scattered patches ca. 50 ft n of Skyway to Paradise, ca. 6 mi e of Chico.
76
Comment
CAS-BOT-BC247538
Chorizanthe stellulata
David D. Keck
1933-5-31
2413
Butte
4.3 miles north of Chico city limits, on Richardson Springs road
Comment
UCD40399
Chrysolepis
Rodney Gale Myatt
1971-6-13
717
Butte
1 mi. north of Inskip. Skyway Road, north of Paradise. Road between Butte Meadows and Magala.
Comment
UC195391
Cichorium intybus
A. A. Heller
1914-7-11
11559
Butte
nead Chico
Comment
CHSC44043
Circaea alpina subsp. pacifica
L. P. Janeway
1987-6-26
2304
Butte
Edge of pond in Camp Cr next to crossing of road, 2.5 mi east of Granite Ridge along the road to Lynch and Logue Mdws.
1365
Comment
CAS-BOT-BC285281
Cirsium andersonii
A. A. Heller
1914-8-6
11640
Butte
About Chico Meadows
1219
Comment
CDA21649
Cirsium douglasii var. breweri
L. Ahart
2006-8-15
13188
Butte
15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
Comment
UC921141
Cirsium occidentale var. candidissimum
H. S. Reed
1939-8-5
292
Butte
Chico
Comment
CHSC111407
Cirsium vulgare
Lowell Ahart
2012-6-28
18245
Butte
On the north side of the paved park road, about 30 yards south of Vallombrosa Avenue on the north side of Big Chico Creek, northeast of Sycamore Pool, Lower Bidwell Park, Chico.
61
Comment
CAS-BOT-BC228750
Cistanthe umbellata
A. A. Heller
1913-6-7
10804
Butte
Near Stirling
1074
Comment
CHSC30796
Clarkia arcuata
M. S. Taylor
1980-4-18
2527
Butte
Bluff, on e side of Humbug Rd, ca. 3 mi sw of Nimshew.
518
Comment
SEINET5740165
Clarkia arcuata
Johann D. Watjen
1969-1
40
Butte
Table Mountain, 7 miles S of Hwy 70, 0.2 miles off of Cherokee Road.; Table Mountain
610
Comment
CAS-BOT-BC164134
Clarkia concinna
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
CDA35619
Clarkia concinna
J. R. Keck Jr.
1978-5-23
PDR# 330033
Butte
Highway 70, Jarboe Gap. Near Poe Power House.
0
Comment
CHSC1101
Clarkia gracilis subsp. albicaulis
V. Holt
1942-6-1
Butte
Forest Ranch.
548
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
CHSC71143
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-2
4426
Butte
1.3 mi south-southwest of Hungry Hunt Peak; along Road 22N84 2.6 mi from Rd 23N28. South-facing road cutbank.
993
Comment
JEPS103352
Clarkia mildrediae subsp. lutescens
Lowell Ahart
2002-6-21
9731
Butte
On road cut bank, Watson Ridge, ca 2 miles (air) NE of Bald Rock Dome, ca 5 miles (air) N of Feather Falls (the town).
1086
Comment
UC1732064
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-2
4422
Butte
along Road 23N28 0.2 mi S of Last Chance Creek, 6.2 mi NW of Road 22N34
807
Comment
CAS-BOT-BC163276
Clarkia mildrediae subsp. mildrediae
Lowell Ahart
1983-6-30
4186
Butte
About 3 miles south-east of Stirling City, on the west side of the West Branch of the Feather River
1100
Comment
CHSC64114
Clarkia mosquinii
L. P. Janeway
1994-6-24
4673
Butte
West side of Chino Ridge; along Rd 28 6.0 mi northwest of Rd 34, just before Last Chance Creek. South-facing road cutbank.
786
Comment
CHSC70739
Clarkia mosquinii
L. P. Janeway
1994-6-15
4662
Butte
South end of Swayne Hill, along Road 23N28 0.8 mi west of Road 22N34. South-facing road cutbank.
731
Comment
CHSC23672
Clarkia purpurea
M. S. Taylor
1976-4-27
1082
Butte
Ca. 50 ft e of Cohasset Hwy, ca. 3 mi n of Chico.
60
Comment
CHSC48629
Clarkia purpurea subsp. viminea
Vernon Oswald
1988-6-14
3377
Butte
Jordan Hill Rd. between Coutolenc Rd. and the West Branch of the Feather River.
512
Comment
CAS-BOT-BC164792
Clarkia rhomboidea
L. P. Janeway; Perrie Cobb
1993-6-1
4364
Butte
Southeast side of canyon of North Fork Feather River; along dirt road from Cresta Rest Area to the Bear Ranch Creek falls
487
Comment
CHSC37429
Clarkia rhomboidea
R. Schlising; K. Tarp
1982-7-28
4352
Butte
E of Pulga and SW of Coyote Gap Station, on Big Bar Mountain Road. On roadside bank.
1249
Comment
CHSC70750
Clarkia rhomboidea
L. P. Janeway
1993-6-23
4399
Butte
Along Rd 22N49 about 0.1 mi west of Oroville-Quincy Hwy, 1.0 mi southwest of Junction House.
1005
Comment
SEINET10453164
Clarkia rhomboidea
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4118
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
UC1186581
Clarkia rhomboidea
G. I. Stage, R. W. Thorp
1959-6-21
59 -118
Butte
Tehama-Butte County Line and Highway 32
Comment
CAS-BOT-BC165439
Clarkia unguiculata
L. P. Janeway
1991-6-1
3986
Butte
Northwest-facing cut-bank of Dark Canyon Road 3.35 mi south of Big Bend Road/Parkhill
304
Comment
CHSC1116
Clarkia unguiculata
R. Carter
1964-5-27
103
Butte
Ca. 5 mi. E of Oroville on Old Quincy Rd. 100 yds. W of Glenn Dr. on S side of road.
91
Comment
SEINET10572685
Claytonia heterophylla
Lowell Ahart
1983-8-16
Ahart 4289
Butte
T26N R4E nw section 28. Along a small stream that flows into Butte Creek, ca. 1 mi east of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
RSA0059521
Claytonia palustris
E. B. Copeland
1929-7-28
s.n.
Butte
Jonesville.
1500
Comment
CAS-BOT-BC439425
Claytonia parviflora subsp. parviflora
Lowell Ahart
1988-3-27
5937
Butte
Along the North Fork of the Feather River, a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap
274
Comment
CHSC34703
Claytonia parviflora subsp. parviflora
M. S. Taylor
1981-5-8
2608
Butte
Ca. 3 mi n of Forest Ranch, ca. 1 mi e of Hwy 32.
853
Comment
CHSC42409
Claytonia parviflora subsp. parviflora
Lowell Ahart
1987-5-12
5644
Butte
South of Lumpkin ridge road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC33356
Claytonia perfoliata subsp. perfoliata
Steve Alvarez
1980-3-3
8
Butte
Within Chico city limits, ca. 0.2 km nnw of Horselake, 1.0 km n of Big Chico Creek, on top of the ridge.
150
Comment
CHSC34944
Claytonia perfoliata subsp. perfoliata
Patricia Haberkern
1974-3-24
21
Butte
Abundant in grassy, shaded meadow ca. 50 yds. w Sycamore Pool in Bidwell Park, Chico.
60
Comment
CAS-BOT-BC443706
Claytonia rubra
Lowell Ahart
1984-7-19
4743
Butte
About 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City
1500
Comment
CHSC26739
Claytonia rubra subsp. rubra
M. S. Taylor
1977-7-15
1401
Butte
Scattered creekside in the shade, Butte Meadows, ca. 20 mi ne of Chico off Hwy 32.
1326
Comment
CAS-BOT-BC91348
Clematis lasiantha
Lowell Ahart
1987-5-9
5587
Butte
Along Pulga Road, about 0.25 mile W of Bardees Bar along the North Fork of the Feather River, ca. 2.5 miles SW of Pulga.
365
Comment
CHSC95205
Clematis lasiantha
R. D. Fischer
2004-3-28
806
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy.32. Collected along Guardian Trail.
335
Comment
CHSC1732
Collinsia heterophylla
H. Summers
1929-4-24
Butte
S. bank of Butte Creek, near covered bridge.
106
Comment
CHSC77447
Collinsia heterophylla
Tim Stofer
1997-4-11
14
Butte
This plant was located 50 yards from the head of the South Rim Trail of South Park Dr. in upper Bidwell Park.
76
Comment
SFV3355
Collinsia heterophylla
M. L. Vincent
1962-4-20
214
Butte
Highway alternate 40. Feather River Canyon Road, 6 miles northeast of Oroville near site of Feather River Dam. Roadside.
Comment
UC1012166
Collinsia tinctoria
F. W. Pennell and A. A. Heller
1940-6-5
25680
Butte
2 mi up along Feather River above Oroville (Route 24); Feather River, Route 24
609
Comment
CHSC28010
Collomia heterophylla
M. S. Taylor
1978-7-21
1803
Butte
On both sides of Quincy-Oroville Hwy, ca. 9 mi n of Lake Madrone.
914
Comment
SEINET10496937
Collomia heterophylla
Mary Susan Taylor
1981-4-28
Taylor 3563
Butte
T22N R5E nw/sw sec 21. Berry Creek quad. N side of Rd 23N28.2, in loop of the rd, ca. 1.2 mi W of Chino Creek, ca. 4 air mi E of Jarbo Gap, ca. 23 air mi NW of Oroville. On decomposed granite; 3050 ft.
930
Comment
JEPS115538
Collomia tinctoria
Lowell Ahart
2009-5-15
15716
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
SD3881
Collomia tinctoria
E. B. Copeland
1931-6-29
Butte
Jonesville, Butte County
1500
Comment
UC600656
Collomia tinctoria
E. B. Copeland
1929-7-18
Butte
on slides over Butte Creek; Jonesville
1550
Comment
JEPS115533
Comandra umbellata subsp. californica
Lowell Ahart
2009-5-15
15704
Butte
On the east side of Big Chico Creek, about 3 yards west of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
UC1562472
Comandra umbellata subsp. californica
Vernon H. Oswald and Lowell Ahart
1990-5-29
4261
Butte
1.8 mi ne of Lomo (nw side of Humboldt Road (to Butte Meadows)); Humboldt Road
1380
Comment
UC1609146
Comandra umbellata subsp. californica
Vernon H. Oswald and Lowell Ahart
1993-4-21
5292
Butte
2.25 air mi nw of Magalia (on w side of Middle Butte Creek Trail, Ponderosa Way); Middle Butte Creek Trail, Ponderosa Way
731
Comment
UC176144
Comandra umbellata subsp. californica
A. A. Heller
1913-6-7
10805
Butte
near Stirling
1074
Comment
CHSC46807
Corallorhiza striata
R. A. Schlising
1981-6-16
4084
Butte
Extreme NW corner of county, 1.5 mi N of KHSL radio tower in Cohasset.
1085
Comment
SEINET10874016
Cornus nuttallii
Mary Susan Taylor
1980-4-27
Taylor 2559
Butte
T23N R3E nw sec 27. Paradise quad. Along Middle Butte Creek off of Little Butte Creek in Riparian Woodland, very shady, ca. 1.5 mi SE of Nimshew. With J.D. Jokerst.
610
Comment
CAS-BOT-BC209587
Cornus sericea
A. A. Heller
1938-7-20
15282
Butte
At the head of Snag Lake 7 miles east of Chaparral
1524
Comment
POM77766
Cornus sessilis
Mrs. R. M. Austin
1883-06
s.n.
Butte
Lomo
Comment
RSA4596
Cornus stolonifera
E. B. Copeland
1930-6-25
431
Butte
Jonesville.
1500
Comment
CHSC94162
Coronilla varia
Lowell Ahart
2006-6-24
12862
Butte
Disturbed area on the east side of the dirt road (Ponderosa Way), south of an intersection, a gated road goes southeast, on Cohasset Ridge, about 4 miles (air) northeast of Cohasset.
1113
Comment
RSA178624
Corydalis caseana
A. A. Heller
1928-6-20
14685
Butte
Butte Meadows
Comment
CDA34650
Cotoneaster lacteus
L. Ahart
2009-8-23
16302
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
JEPS120054
Cotoneaster lacteus
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17854
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Tables 10 & 11, Lower Bidwell Park, Chico.
Comment
SEINET10483826
Cotoneaster pannosus
Lowell Ahart
1991-6-19
Ahart 6661
Butte
Along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd. East, southwest of Oroville Dam. Foothill Woodland. T19N R4E c/s/S2.
213
Comment
CDA42770
Cotula australis
L. Ahart
2011-5-9
17353
Butte
South side of Palm Avenue, about 2 miles (air) southeast of East Biggs.
Comment
CHSC106880
Cotula australis
Lowell Ahart
2011-5-9
17353
Butte
South side of Palm Avenue, about 2 miles (air) southeast of East Biggs.
29
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
CHSC103949
Crassula connata
Lowell Ahart
2010-4-30
16598
Butte
Notth side of disk gold area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
360
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
UCD80239
Crassula connata
CNPS SN Foothill Team
2005-4-14
SNFN 0034 c
Butte
Private Rock Ranch, located near the southeast corner of the Rock Ranch pasture. The plot is ~45 m from the southern fence and 30 m west of the eastern fence.
98
Comment
SEINET10449716
Crassula muscosa
Mary Susan Taylor
1980-3-28
Taylor 2403
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
CDA6211
Crassula tillaea
L. Ahart
2005-4-14
11726
Butte
About 20 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC31654
Crassula tillaea
L. Ahart
1973-3-16
176
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC50036
Crassula tillaea
Lowell Ahart
1990-1-17
6407
Butte
East of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville.
301
Comment
CHSC27226
Crataegus monogyna
P. Moyer
1971-11-7
57
Butte
2 ft. from nw corner of Auditorium. CSUC Campus.
60
Comment
JEPS120077
Crataegus monogyna
Lowell Ahart
2012-5-17
18084
Butte
On both sides of the horse trail, between the paved park road and the poor dirt road, between Table 21 and Larch, Lower Bidwell Park, Chico.
Comment
JEPS120499
Crepis occidentalis subsp. conjuncta
L. P. Janeway
2012-6-7
10862
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road / Ponderosa Way.
Comment
CDA6678
Crucianella angustifolia
L. Ahart
2003-5-26
10214
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
CHSC111976
Crucianella angustifolia
Lowell Ahart
2012-6-2
18132
Butte
Along sides of Truex Road, west of intersection of Truex Road and Trevor Road, about 1/8 mile northwest of West Branch Bridge across Lake Oroville.
286
Comment
CHSC117425
Crucianella angustifolia
Lowell Ahart
2016-5-30
20899
Butte
West of Little Pump, Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville.
30
Comment
JEPS98582
Crucianella angustifolia
Lowell Ahart
2000-5-13
8354
Butte
5 mi SW of Oroville (Thermalito Afterbay, S side of access road to boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
Comment
SD122578
Crucianella angustifolia
Lowell Ahart
1984-6-8
4681
Butte
edge of dirt road, ar fork of Feather Falls and Lumpkin Ridge Rd., 3 mi NE of Ponderosa Dam, ca. 3 mi N of Forbestown
500
Comment
CDA1929
Crypsis schoenoides
L. Ahart
2002-10-17
10000
Butte
About 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam. On the gentle hills below the high water line of Lake Oroville.
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
POM313218
Crypsis schoenoides
H. L. Mason
1945-9-19
12729
Butte
Gray Lodge Game Refuge, northwest of Pennington
Comment
RSA492371
Crypsis schoenoides
P. Reisentz
1979-5-13
s.n.
Butte
4 miles east on Cherokee Rd. from Hwy. 70
Comment
UC857133
Cryptantha affinis
A. A. Heller
1914-6-22
11489
Butte
Chico Meadows
1219
Comment
CHSC107243
Cryptantha flaccida
Lowell Ahart
2011-6-5
17366
Butte
On a large gravel bar, on the north side of Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
42
Comment
CHSC46751
Cryptantha flaccida
Lowell Ahart
1972-5-8
102
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
SD122570
Cryptantha flaccida
Lowell Ahart, Peter Ahart
1984-5-28
4649
Butte
On a large road cutbank along Highway 40, now called Dark Canyon Road, 2 miles east of the Old Yankee Hill, ca 16 miles northeast of Oroville
449
Comment
UC480683
Cryptantha intermedia
H. F. Copeland
1920-5-23
250
Butte
ridge between Big Chico Creek and Little Chico Creek (Humboldt ridge)
Comment
CHSC29972
Cryptantha milobakeri
R. A. Schlising
1980-6-10
3673
Butte
Along Humboldt Road, 1.9 mi NE jct with Hwy 32 at Loma.
Comment
CHSC39028
Cryptantha rostellata
Lowell Ahart
1984-5-18
4606
Butte
Peter Ahart Ranch, about 1.25 mi e of Honcut and 12 mi s of Oroville.
50
Comment
CHSC46757
Cryptantha rostellata
Lowell Ahart
1979-5-20
1878
Butte
On a gravel bar along the edge of a large 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
UC1563267
Cucumis melo
Lowell Ahart
1990-5-10
6629
Butte
about 1/4 mi south west of Enterprise Bridge across Lake Oroville (McCabe Creek); , McCabe Creek
228
Comment
NY16721
Cupressus macnabiana
C. B. Wolf
1934-10-5
6160
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
JEPS110256
Cuscuta californica var. californica
Lowell Ahart
2006-7-4
12911
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville
30
Comment
CHSC94793
Cuscuta pentagona
Lowell Ahart
2006-10-1
13388
Butte
Bottom of a large dredger pond, west of North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
54
Comment
CHSC55056
Cuscuta subinclusa
Lowell Ahart
1991-8-25
6706
Butte
North side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), east of Oroville-Quincy Hwy, about 5 miles (air) north-east of Brush Creek.
1097
Comment
UCD126346
Cuscuta subinclusa
A. A. Heller
1914-7-22
11588
Butte
near West Branch.
1066
Comment
JEPS106131
Cycladenia humilis var. humilis
Lowell Ahart
2004-8-19
11396
Butte
East of road sign 300 R 4, west of the County Road, about 1 mile north of Ramsey Bar, about 3 miles (air) southeast of Bald Mountain, about 5 1/4 miles (air) northeast of Stirling City
1417
Comment
UC105506
Cycladenia humilis var. humilis
Mrs. R. M. Austin
1894-1
370
Butte
Comment
NY43591
Cydonia oblonga
S. Bianco
1995-11-10
1060
Butte
8841 Skyway Rd (Private land holding)
640
Comment
CHSC62802
Cynosurus echinatus
L. P. Janeway
1993-6-3
4371
Butte
Plumas National Forest. South end of Swayne Hill, along edge of the road to Big Bar Mtn (23N28).
731
Comment
JEPS87444
Cyperus bipartitus
Lowell Ahart
1993-7-23
7104
Butte
ca. 6 (air) mi. n.e. of Feather Falls (w. side of Fall R., 100 yds. w. of bridge across Fall river); w side Fall River
1036
Comment
CHSC109752
Cyperus difformis
Lowell Ahart
2012-10-20
18504
Butte
Soil and gravel bar on the south side of Big Chico Creek, about 100 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
SEINET3450852
Cyperus difformis
Unknown
2003-6-23
10314
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
30
Comment
CAS-BOT-BC114735
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
In rice plots; Biggs Rice Experiment Station.
Comment
SEINET197462
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
Biggs Rice Experiment Station.
Comment
CAS-BOT-BC114606
Cyperus eragrostis
Lowell Ahart
1980-7-29
2499
Butte
Near Hurleton Swedes Flat Road
600
Comment
CDA34640
Cyperus eragrostis
L. Ahart
2009-6-3
15968
Butte
On the east side of Ten Mile House Road, about 30 yards east of Big Chico Creek, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CHSC25335
Cyperus eragrostis
M. P. Hayes
1977-8-13
34
Butte
Butte College Campus, football playing fields near a wet standpipe. Intersection of Pentz and Clark Roads.
91
Comment
JEPS120017
Cyperus eragrostis
Lowell Ahart
2012-10-28
18527
Butte
On the south side of Big Chico Creek, about 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
SEINET9751966
Cyperus eragrostis
Richard Carter
2006-7-30
Butte
N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99
Comment
SEINET10466874
Cyperus eragrostis
Mary Susan Taylor
1978-9-8
Taylor 1881
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CHSC111174
Cyperus erythrorhizos
Lowell Ahart
2013-6-18
18807
Butte
About 60 yards west of Parking Lot 14, Gray Lodge Wildlife Management Area, about 7 miles (air) southwest of Gridley.
19
Comment
CHSC43784
Cyperus erythrorhizos
Vernon Oswald
1983-7-31
940
Butte
Sacramento River ca. 0.25 mi downstream from Murphy's Slough (between Chico Creek and Rd. 29, Glenn Co.).
Comment
SEINET10938647
Cyperus erythrorhizos
Mary Susan Taylor
Taylor 836
Butte
Bidwell Park, Chico.
Comment
UCD141049
Cyperus erythrorhizos
E. M. Johnston
1915-1
W 153 J
Butte
Biggs.
Comment
JEPS110276
Cyperus flavescens
Lowell Ahart
2006-9-28
13379
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
SEINET4572027
Cyperus iria
Lowell Ahart
2012-8-6
18415
Butte
about 1 1/2 miles S of Richvale
31
Comment
CHSC102509
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
SEINET3478064
Cyperus niger
Unknown
2000-6-17
8482
Butte
Paradise, Paradise, about 2 miles south, about 0.25 miles northeast of Kunkle reservoir, east of the Pentz Magalia Road
540
Comment
CHSC38898
Cyperus squarrosus
Vernon Oswald
1983-6-17
699
Butte
Upper Bidwell Park, Chico, on the n side of Chico Creek ca. 300 ft w of the parking area at Day Camp.
91
Comment
UC766083
Cyperus squarrosus
R. F. Hoover
1936-5-21
1168
Butte
7 mi. n. Chico
Comment
RSA4406
Cyperus squarrosus
E. B. Copeland
1931-7-17
612
Butte
Jonesville
1700
Comment
CHSC68420
Cyperus strigosus
L. P. Janeway
1988-6-29
2904
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of the Skyway, 2.9 mi east of the Skyway bridge over Butte Creek.
170
Comment
UCD169396
Cyperus strigosus
L. P. Janeway
2001-6-13
7168
Butte
Sacramento Valley. On east side of the Sacramento River about 1.8 km southeast of Ord Ferry Road bridge.
29
Comment
CAS-BOT-BC68047
Cystopteris fragilis
Lowell Ahart
1987-5-22
5658
Butte
About 1/4 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls
1280
Comment
CAS-BOT-BC68050
Cystopteris fragilis
Lowell Ahart; Vernon Oswald
1987-8-5
3184
Butte
Outcrops skirting the n flank of Humboldt Peak on the Butte-Plumas county border, s of the Pacific Crest Trail
2072
Comment
CHSC101752
Cystopteris fragilis
Lowell Ahart
2009-5-23
15740
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico.
234
Comment
CHSC69105
Cystopteris fragilis
Lowell Ahart
1997-8-1
7766
Butte
On the east side of Little Kimshew Creek, where the basalt is eight sided. Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
UC399283
Cystopteris fragilis
Mrs. Carlotta C. Hall
1912-5-27
Butte
canyon near Richardson's Spring Chico
Comment
SEINET10535619
Cystopteris fragilis
Mary Susan Taylor
1980-2-17
Taylor 2365
Butte
T20N R6E ne sec 5. Along a creek at an old mine site, in Yellow Pine Forest, ca. 0.5 mi SW of Lower Forbestown Road, ca. 3 mi W of Forbestown.
396
Comment
UC725452
Damasonium californicum
A. A. Heller
1940-5-13
15617
Butte
field 3 mi. w. Chico
Comment
UC574002
Danthonia californica
H. S. Yates
1936-8-13
17549
Butte
2 1/2 mi sse Butte Meadows; Paynes Creek Quadrangle
Comment
HSC100744
Danthonia californica var. americana
Lowell Ahart
2010-9-21
17230
Butte
N side of a poor dirt road, 1 (air) mi. NE of Jones Meadow, 2.5 (air) mi. SE of Philbrook Reservoir.
1900
Comment
JEPS120014
Darmera peltata
Lowell Ahart
2012-10-28
18541
Butte
On the south side of Big Chico Creek, near Table 14, northeast of Cottonwood Avenue, Lower Bidwell Park, Chico.
Comment
SEINET10546583
Datura meteloides
Lowell Ahart
1985-9-14
Ahart 5167
Butte
On dry red soil on the east side of a building, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
Comment
CHSC76008
Datura stramonium var. tatula
Lowell Ahart; Vernon H. Oswald
1999-8-13
8134
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
SEINET10536232
Delphinium
Mary Susan Taylor
1981-4-28
Taylor 3570 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
CAS-BOT-BC8794
Delphinium gracilentum
Lowell Ahart
1980-5-29
2356
Butte
5 miles north-east of Mountain House
1100
Comment
CHSC48690
Delphinium gracilentum
Vernon Oswald
1984-4-9
1130
Butte
Feather Falls Trail, 1.8 trail mi. from the trail head at the end of Bryant Ravine Rd.
502
Comment
CAS-BOT-BC8572
Delphinium hansenii
Lowell Ahart
1980-5-8
2219
Butte
North-east of Honcut
65
Comment
CHSC31843
Delphinium hesperium
L. Ahart
1978-5-24
1743
Butte
Near North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
UCD22641
Delphinium hesperium
Joseph Laferriere
1982-4-18
3
Butte
Side of Hwy 70, 1/4 mile SW of jet of Baggett-Marysville Rd., 3 miles south of Oroville.
65
Comment
CHSC36086
Delphinium nuttallianum
R. A. Schlising; J. D. Jokerst, R. Banchero
1980-6-16
3722
Butte
2.0 miles S of jct Skyway and Humboldt Road in Butte Meadows.
1432
Comment
CHSC56768
Delphinium nuttallianum
Kirsten Tarp
1982-8-1
240
Butte
SE of Philbrook Reservoir on Table Mt.
Comment
CHSC56774
Delphinium patens subsp. patens
M. S. Taylor
1976-3-9
1022
Butte
On Burton's Mesa, ca. 500 yds n of the Skyway, ca. 13 mi e of Chico.
457
Comment
CHSC52120
Delphinium variegatum
R. E. Alumbaugh
1984-4-26
1
Butte
6.4 mi e of hwy 99 and ca. 50 yds n of Skyway, 8.5 mi e of Chico.
387
Comment
CHSC90040
Delphinium variegatum
Rebecca L. Hill
1990-4-8
11
Butte
Ca. .5 mi se of jct of Oroville Chico Hwy and Mesa Road. W side of Oroville Chico Hwy, ca. 6 mi se of Chico.
47
Comment
UC1562846
Delphinium variegatum
Barbara Ertter with Lowell Ahart
1986-4-13
5886
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
Comment
POM150565
Delphinium variegatum subsp. variegatum
A. A. Heller, H. E. Brown
1902-5-10
s.n.
Butte
Berry Canyon (Near Clear Creek).
Comment
POM253323
Dendromecon rigida
A. A. Heller
1938-6-14
15150
Butte
Along the Feather River Highway near Yankee Hill Road about 20 miles from Oroville
Comment
SEINET12091622
Dendromecon rigida
Unknown
1981-1
12
Butte
ca 200 m W of Butte Creek and 1.2 km N of Magalia Reservoir, 2.5 km N. of Magalia
735
Comment
SEINET12094434
Dendromecon rigida
Unknown
1988-1
10
Butte
1.2 mi N of Paradise, ca 1.3 mi SE of Magalia Reseervoir, ca 40 ft. E of Skyway
579
Comment
SBBG30028
Deschampsia cespitosa subsp. cespitosa
E. B. Copeland
1931-7-15
Butte
Jonesville
1750
Comment
CAS-BOT-BC192652
Deschampsia danthonioides
V. Oswald; L. Ahart
1988-7-13
3577
Butte
Road to High Lakes e of Philbrook Reservoir
1859
Comment
SEINET10788955
Deschampsia danthonioides
Roland McKee
1909-1
McKee s.n.
Butte
Chico.
Comment
SEINET10524190
Deschampsia danthonioides
D. McClain
1969-4-18
McClain 44
Butte
400 yds. n. from gate on Table Mountain, 5 mi. s.w. on Cherokee Rd. from its junction with Feather River Highway.
488
Comment
CAS-BOT-BC201744
Deschampsia elongata
A. A. Heller
1917-7-26
12846
Butte
Butte Meadows
1402
Comment
CHSC31710
Deschampsia elongata
L. Ahart
1977-6-16
1424
Butte
On the banks of North Honcut Creek, Peter Ahart Ranch, Honcut.
50
Comment
CHSC42913
Deschampsia elongata
Lowell Ahart
1987-7-8
5792
Butte
Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga.
1280
Comment
UCD63286
Deschampsia elongata
A. A. Heller
1917-7-26
12846
Butte
Butte Meadows.
1402
Comment
SEINET10508568
Deschampsia elongata
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4700
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
CHSC9699
Dicentra formosa
Nancy Mosman
1971-7-3
53
Butte
Along n side of Humboldt Road ca. 0.7 mi e of Butte Meadow Ranger Station.
1371
Comment
CHSC19658
Dicentra spectabilis
K. R. Stern
1965-7-23
2195
Butte
Chico.
Comment
SEINET10968111
Dichanthelium lanuginosum var. fasciculatum
Mary Susan Taylor
1980-5-27
Taylor 2679
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
CAS-BOT-BC500060
Dichelostemma capitatum
H. E. Brown
1897-5-1
s.n.
Butte
Near Clear Creek
Comment
CHSC2815
Dichelostemma capitatum subsp. capitatum
David Prall
1965-3-14
1
Butte
Ca. 2 yards south of Neal Rd. 1 mile east of Highway 99E.
106
Comment
RSA712798
Dichelostemma multiflorum
L. P. Janeway
2005-6-26
8430
Butte
Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way).
945
Comment
UC843822
Dichelostemma multiflorum
A. A. Heller
1915-5-28
11902
Butte
near Cohasset; Sierra Foothills
Comment
SEINET12046810
Dichelostemma multiflorum
Unknown
1978-1
7
Butte
1.5 mi NE of jct of US 99 & Skyway near Chico, ca 100 ft E of roadway
69
Comment
UC143025
Dichelostemma volubile
Mrs. R. M. Austin
May 1896
836
Butte
Iron Canyon
Comment
CDA7728
Digitaria sanguinalis
L. Ahart
2004-8-3
11398
Butte
On the south side of O Brien Road, about 100 yards east of Gilstrap Avenue, about 1 1/2 miles (air) southeast of Gridley.
Comment
CHSC50704
Digitaria sanguinalis
Lowell Ahart
1990-6-16
6519
Butte
Along 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
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
JEPS128620
Digitaria sanguinalis
Lowell Ahart
2017-8-1
21653
Butte
Park west of railroad, northeast of the intersection of Virginia Street and Sycamore Street, in Gridley.
Comment
UCD63991
Digitaria sanguinalis
E. Wilson
1934-9-3
Butte
Biggs Rice Station.
Comment
UCD64140
Digitaria sanguinalis
L. Ahart
1982-8-22
3745
Butte
Along edge of North Honcut Creek, Peter Ahart Ranch, ca. 3 mi. NE of Honcut.
50
Comment
CHSC103934
Diplacus angustatus
Lowell Ahart
2010-5-16
16693
Butte
Bottom of a small drainage, just east of the basalt cliffs, about 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
368
Comment
CHSC44670
Diplacus angustatus
R. Banchero
1980-4-26
142
Butte
Along the Cohasset Hwy 4.4 mi NE of its jct with Keefer Rd, 1.8 mi SW of the town of Cohasset.
451
Comment
CHSC116347
Diplacus aurantiacus
J. R. Keck Jr.
1978-5-23
PDR 330031
Butte
Highway 70, Jarboe Gap. Near Poe Power House.
Comment
CHSC47496
Diplacus douglasii
Lowell Ahart
1973-3-14
173
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC43186
Diplacus kelloggii
Leslie Steidl
1980-4-1
7
Butte
On n side of Craig Access Rd, 2 mi nnw of Lumpkin Rd at boundary of State Park, ca. 18 mi e of Oroville.
316
Comment
CHSC30718
Diplacus layneae
M. S. Taylor
1980-5-27
2660
Butte
On Big Bald Rock, granitic dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC92587
Diplacus layneae
L. P. Janeway
2005-5-29
8399
Butte
Northern High Sierra Nevada. Isolated block of serpentine between the east end of Hollywood Drive, Magalia and the upper end of Magalia Reservoir.
762
Comment
CHSC93965
Diplacus layneae
R. D. Fischer
2004-6-20
761
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Plants collected roadside off eroded, gravelly volcanic soil.
1417
Comment
CHSC37269
Diplacus mephiticus
L. Ahart
1982-6-15
3584
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feathe Falls.
1000
Comment
CAS-BOT-BC154038
Diplacus torreyi
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
CAS-BOT-BC154039
Diplacus torreyi
F. W. Peirson
1926-6-21
6778
Butte
High ridge east of Butte Meadow, Humboldt Road
Comment
CHSC1800
Diplacus tricolor
E. Canfield
1904-5-7
Butte
Hooker Oak Field.
76
Comment
CAS-BOT-BC151361
Diplacus tricolor
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CAS-BOT-BC136237
Dodecatheon alpinum
A. A. Heller
1915-6-11
11960
Butte
Butte Meadows in the Sierra Nevada
1219
Comment
HSC67921
Dodecatheon clevelandii subsp. patulum
J. P. Smith
1973-3-22
5930
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
CHSC19929
Dodecatheon clevelandii var. patulum
M. S. Taylor
1975-3-3
392
Butte
Abundant in a field on e side of Cohasset Rd, ca. 3 mi n of Chico.
60
Comment
CHSC3506
Dodecatheon clevelandii var. patulum
M. Gregg
1966-2-21
14
Butte
Old Chico-Oroville Rd. So. East of Chico. 1/4 mile from Hwy 99E.
53
Comment
CHSC13892
Dodecatheon hendersonii
J. F. Goodwin
1972-3-21
247
Butte
Approx. 4 mi se on Cherokee Road from its intersection with Hwy 70, w side of road near oaks in a cow pasture.
Comment
CHSC31869
Dopatrium junceum
L. Ahart
1974-7-20
555
Butte
Peter Ahart Ranch, Honcut.
45
Comment
JEPS120766
Dopatrium junceum
Lowell Ahart
2013-9-20
19058
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles SE of Richvale.
Comment
CHSC52008
Downingia bella
John P. McKeon
1980-4-22
10
Butte
Ca. 20 m s of jct of Hwy 99 and Cana Hwy, 15 m w of Hwy 99, 19 km nw of Chico.
70
Comment
RSA517016
Downingia bicornuta
Barbara Ertter, L. Ahart
1986-4-13
5902
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (Mostly used as sheep pasture).
30
Comment
SBBG69653
Downingia bicornuta
A. A. Heller
1927-5-3
14363
Butte
9 mi N of Chico
Comment
CHSC117343
Downingia bicornuta var. bicornuta
B. Castro; Sabrina Bell
2007-7-24
2046
Butte
Sacramento Valley. Off E edge of Thermalito Afterbay, ca 1.36 air mi E of Hwy 99 and 1 mi S of Highway 162E. Just S of the Afterbay perimeter road, at NE corner of low pond (impoundmant) with willows.
43
Comment
CHSC75262
Downingia insignis
Lowell Ahart
1999-5-21
8074
Butte
On the sides and bottom of a drain ditch in a pasture field, on the east side of Evans Reimer Road, about 7/8 mile east of Pennington Road, about 5 miles (air) southwest of Gridley.
21
Comment
CHSC76938
Downingia insignis
Ida Ryan
1893-5-1
Butte
Near Nelson.
Comment
UCD149944
Downingia insignis
TBS
1967-5-9
s.n.
Butte
Gray Lodge.
Comment
UC890894
Downingia montana
A. A. Heller
1917-7-28
12843
Butte
Butte Meadows
1280
Comment
UC1562499
Downingia ornatissima
Barbara Ertter with Lowell Ahart
1986-4-13
5893
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville, Peter Ahart Ranch)
30
Comment
SEINET10458518
Downingia ornatissima
Mary Susan Taylor
1978-5-7
Taylor 1609
Butte
In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland.
30
Comment
UCD23256
Downingia ornatissima
W. R. Powell
1968-4-23
1474
Butte
2 miles SSE of Oroville.
71
Comment
CAS-BOT-BC41346
Draba verna
Lowell Ahart
1980-3-8
2032
Butte
Honcut. Peter Ahart Ranch.
50
Comment
CHSC44483
Draba verna var. aestivalis
Lowell Ahart
1988-3-27
5931
Butte
Along the North Fork of the Feather River near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC87199
Draba verna var. aestivalis
Lowell Ahart
2004-3-26
10705
Butte
On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville.
502
Comment
SEINET10448472
Draba verna var. aestivalis
Lowell Ahart
1983-4-1
Ahart 3914
Butte
In Dark Canyon along old Hwy 40 s of its jct with Hwy 70, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
CHSC35016
Draba verna var. verna
R. E. Preston
1982-3-20
193
Butte
Roadside, Hwy 70 at Bear Ranch Creek; ca. 22 mi nne of Oroville.
457
Comment
UCD123982
Drosera rotundifolia
Barry Rice
2011-7-6
BR 110703
Butte
no exact location.
1420
Comment
CAS-BOT-BC527354
Drymocallis glandulosa var. reflexa
A. A. Heller
1914-5-18
11411
Butte
West slope of the Sierra near Forest Ranch
731
Comment
CAS-BOT-BC157792
Drymocallis lactea var. lactea
A. A. Heller
1915-6-27
12049
Butte
Jonesville in the Sierra Nevada
1676
Comment
CAS-BOT-BC70853
Dryopteris arguta
Lowell Ahart
1990-3-19
6417
Butte
on the south side of Pacific Heights Road, about 3 1/2 miles southwest of Oroville
33
Comment
SEINET10530140
Dryopteris arguta
Mary Susan Taylor
1979-10-13
Taylor 2267
Butte
T22N R4E se 1/4 sec 5. Riparian Wood land along creek on Jordan Hill Road (Ponderosa Way on some maps), ca. 7.1 mi N of its jct with Concow Road, ca. 2 mi SE of Magalia. With Jim Jokerst.
610
Comment
CHSC454
Dudleya cymosa
M. Roberson
1962-5-21
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC455
Dudleya cymosa
C. Merton
1929-5-1
Butte
Paradise.
Comment
CAS-BOT-BC428073
Dudleya cymosa subsp. cymosa
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC31235
Dysphania ambrosioides
M. S. Taylor
1980-10-6
3358
Butte
N side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop.
487
Comment
CHSC105958
Echinochloa colona
Lowell Ahart
2010-9-24
17236
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
CAS-BOT-BC197093
Echinochloa crus-galli
Forman T. McLean
1921-9-25
17
Butte
Chico
Comment
CDA42929
Echinochloa crus-galli
L. Ahart
2012-9-28
18463
Butte
On the north side of Big Chico Creek, about 150 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
JEPS110295
Echinochloa crus-galli
Lowell Ahart
2006-9-11
13304
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
SEINET231760
Echinochloa crus-galli
L. Arhart
1984-9-17
4792 B
Butte
Peter Arhart Ranch ca. 2.3 mi N and 0.3 mi E of Honcut ca. 12 mi S of Oroville
50
Comment
UCD60928
Echinochloa crus-galli
Leonard
1921-6-16
X- 3094
Butte
Chico.
Comment
JEPS76251
Echinochloa muricata
W. L. Jepson
1939-8-17
19464
Butte
Feather River Bottom near Oroville; Feather River bottom
45
Comment
UC1100138
Echinodorus berteroi
Herbert L. Mason and Verne Grant
1946-8-7
12989
Butte
Gridley rd. n. of Butte Sink
Comment
CHSC113232
Elatine
Lowell Ahart
2014-4-30
19421
Butte
About 50 yards south of Lower Honcut Road, about 50 yards west of the Railroad, about 1 3/4 miles (air) southwest of Honcut.
23
Comment
JEPS124104
Elatine
Lowell Ahart
2015-5-17
20192
Butte
About 1 3/4 miles west of Honcut.
Comment
CHSC78563
Eleocharis
Lowell Ahart
2000-8-23
8665
Butte
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
JEPS98431
Eleocharis bella
Lowell Ahart
2000-6-4
8444
Butte
about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Road and Forbestown Road)
731
Comment
CHSC68438
Eleocharis macrostachya
L. P. Janeway
1988-6-5
2731
Butte
Canyon of Big Chico Creek; about 1 mi northeast of the end of Upper Park Road.
213
Comment
CAS-BOT-BC113339
Eleocharis montevidensis
Lowell Ahart
1978-7-15
s.n.
Butte
On moist soil along edge of North Honcut Creek, Peter Ahart Ranch, Honcut.
50
Comment
SEINET3478049
Eleocharis pachycarpa
Unknown
2000-7-18
8597
Butte
Oroville, Oroville, about 4 air miles southwest, about 0.5 miles west of Pacific Heights Road, Oroville Wildlife Area
40
Comment
SEINET3478065
Eleocharis parishii
Unknown
2000-6-21
8497
Butte
Chico, Chico, about 3.3 air miles northeast of Manzanita Avenue, north of the Salmon Hole, south of parking area P
100
Comment
CAS-BOT-BC112656
Eleocharis quadrangulata
V. Oswald
1988-6-8
3361
Butte
SE end of the large pond in the Oroville Wildlife Area on the W side of the Feather River,
32
Comment
SEINET13710024
Eleocharis quinqueflora
Lowell William Ahart, Lowell William Ahart
2000-1
8386
Butte
13 Mi. SE of Oroville (T17N, R4E, sec 12, SE 1/4) 180 Ft.
55
Comment
HSC96912
Eleocharis quinqueflora
L. Ahart
2000-7-5
8553
Butte
W of the cow chute and parking lot on W side of Cherokee Rd., N Table Mtn., 7 mi. N of Oroville
404
Comment
SEINET7587006
Eleocharis quinqueflora
Lowell Ahart
2000-6-27
8530
Butte
On the north side of Bean Creek Road, about 1.4 mile southeast of Little Bald Rock, about 1 1/4 mile northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1067
Comment
SEINET7587011
Eleocharis quinqueflora
Lowell Ahart
2000-5-30
8411
Butte
About 1/4 mile northeast of Kunkle Reservoir, east of the Pentz Magalia Road, about 2 miles south of Paradise.
549
Comment
CHSC76303
Eleocharis radicans
Lowell Ahart
1999-9-21
8276
Butte
Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC38816
Eleusine indica
Vernon Oswald
1983-10-3
1051
Butte
Upper Bidwell Park, Chico, at the north entrance to the parking lot at Hooker Oak Recreation Area. Roadside.
79
Comment
JEPS88230
Elymus glaucus
Vernon H. Oswald and Lowell Ahart
1996-6-10
7732
Butte
Riparian Sanctuary Sacramento River National Wildlife Refuge, Llano Seco Unit (n end, U.S. Fish and Wildlife Service parcel between 7 Mile Lane and river)
28
Comment
POM183178
Elymus glaucus
H. F. Copeland
1930-7-21
1341
Butte
Jonesville.
1524
Comment
CAS-BOT-BC203425
Elymus glaucus subsp. glaucus
A. A. Heller
1914-7-23
11614
Butte
Chico Meadows
1219
Comment
CHSC44919
Elymus glaucus subsp. jepsonii
Lowell Ahart
1988-7-28
6136
Butte
Hillside at the north side of the dam at Lost Creek Reservoir.
1036
Comment
SEINET10836117
Elymus multisetus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4114
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
JEPS94566
Elymus stebbinsii
Lowell Ahart
1997-7-11
7744
Butte
road cut on n side of dirt road se Cold Creek (about 2 air mi sw of Bald Mountain, about 9 mi by road from Stirling City, or about 2 air mi ne of Stirling City)
1219
Comment
UCD62619
Elymus stebbinsii subsp. septentrionalis
R. Tofsrud
1948-7-1
Butte
Between Berry Creek and Bidwell Bar.
Comment
UC591542
Elymus trachycaulus
H. F. Copeland
1935-7-25
Butte
Jonesville
Comment
CDA2042
Elytrigia elongata
L. Ahart
2000-7-17
8595
Butte
Peter Ahart Ranch, about 12 miles (air) southeast of Oroville. about 1 1/2 miles north and 1 1/2 miles east of Honcut,
Comment
JEPS98692
Elytrigia pontica subsp. pontica
Lowell Ahart
2000-7-17
8595
Butte
On the west side of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
CAS-BOT-BC410228
Enemion occidentale
J. H. Morrison
1933-4-10
s.n.
Butte
Near Durham
Comment
SEINET6635812
Epilobium brachycarpum
H. F. Copeland
1923-1
404
Butte
Nelson
Comment
UCD105294
Epilobium brachycarpum
A. A. Heller
1916-9-5
12648
Butte
8 miles N of Oroville.
Comment
SEINET10453001
Epilobium brachycarpum
Lowell Ahart
1985-10-12
Ahart 5201
Butte
At the end of Nelson Bar Road, about 1 mile south of Kunkle Reservoir, about 3 miles south of Paradise.
Comment
CHSC51005
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1990-8-15
6586
Butte
Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
228
Comment
CHSC51271
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1990-10-3
6624
Butte
On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville.
259
Comment
POM183926
Epilobium ciliatum subsp. ciliatum
H. F. Copeland
1932-08
s.n.
Butte
Jonesville, in woods along Butte Creek
1500
Comment
UC1562295
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1990-8-15
6586
Butte
along small stream below high water line of Lake Oroville (e of Enterprise Boat Launch Area, about 1/4 mi nw of Enterprise Bridge across lake)
243
Comment
JEPS122084
Epilobium ciliatum subsp. glandulosum
Lowell Ahart
2014-7-13
19653
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir
Comment
CHSC46144
Epilobium cleistogamum
Lowell Ahart
1978-5-15
1728
Butte
On the bottom of a vernal pool, in a pasture field, Peter Ahart Ranch, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC30900
Epilobium densiflorum
M. S. Taylor
1980-8-30
3320
Butte
Along vernal creek bed, between Box Hall Flat and Potter Ravine, ca. 2.5 mi e of Oregon City, ca. 5.5 mi n of Oroville.
365
Comment
CHSC94065
Epilobium densiflorum
R. D. Fischer
2005-6-12
742
Butte
Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico off 10 Mile House Road in Bidwell Park. Collection made near the junction of Guardian Trail on the dry roadbed, an opening in a brush/oak woodland.
219
Comment
UCD106306
Epilobium densiflorum
M. Vincent
1963-6-8
394
Butte
Honey Run Road.
Comment
SEINET6637331
Epilobium hallianum
H. F. Copeland
1935-7-25
s.n.
Butte
vicinity of Jonesville, Lassen National Forest
Comment
UC1564730
Epilobium hornemannii subsp. hornemannii
V. Oswald and L. Ahart
1989-7-21
3877
Butte
ca 0.7 air mi se Summit Lake (ca 4.5 air mi se of Jonesville); southwest branch of Upper Butte Creek
1828
Comment
JEPS108857
Epilobium minutum
Lowell Ahart
2006-5-10
12623
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
385
Comment
RSA712800
Epilobium minutum
L. P. Janeway
2005-6-26
8432
Butte
Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way).
945
Comment
UC478494
Epilobium obcordatum
E. B. Copeland
1931-7-13
664
Butte
The Summit Jonesville
2000
Comment
UC177594
Epilobium obcordatum
H. M. Hall
1914-7-27
9793
Butte
Butte Mt.
2072
Comment
CHSC113488
Epilobium oregonense
Lowell Ahart
2014-7-10
19622
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC36555
Epilobium pygmaeum
L. Ahart
1982-7-10
3669
Butte
Ca. 1/4 mi se of Headquarters, Graylodge Wildlife Refuge, ca. 12 mi w of Gridley. In a duck pond.
35
Comment
CHSC35109
Epilobium torreyi
R. Schlising
1980-6-17
3737
Butte
N of Magalia and De Sabla, along Skyway, 1.2 mi NE of jct with Coutelenc Road at Lovelock. Roadside.
899
Comment
JEPS117208
Epilobium torreyi
Lowell Ahart
2010-5-14
16659
Butte
Area of erosion control, Disc Golf Area, about 100 yards west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
372
Comment
SEINET7073008
Epilobium torreyi
A. G. Vestal
1963-5-31
s.n.
Butte
About 8.2 miles north-northwest of Oroville on Route 149. UTM Zone 10, 614599mE, 4384406mN. Coordinate datum: NAD27.
Comment
SD10030
Equisetum hyemale subsp. affine
E. B. Copeland
1929-7-6
Butte
Jonesville
Comment
UC600577
Equisetum hyemale subsp. affine
H. F. Copeland
1920-5-23
226
Butte
Jonesville
Comment
CHSC11939
Equisetum laevigatum
E. B. Copeland
1930-6-24
403
Butte
Jonesville.
1500
Comment
CHSC33694
Equisetum laevigatum
L. Ahart
1981-4-9
2752
Butte
Near the edge of North Honcut Creek on Peter Ahart Ranch, ca. 1 mi n and 3 mi e of Honcut.
50
Comment
CHSC44622
Equisetum telmateia subsp. braunii
Vernon Oswald
1984-4-16
1152
Butte
Humbug Rd. (Centerville Rd.), 2.8 mi s-w of its jct. With Nimshew Ridge Rd.
548
Comment
CHSC51288
Eragrostis hypnoides
Lowell Ahart
1990-9-30
6599
Butte
Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville.
219
Comment
CHSC41982
Eragrostis mexicana subsp. virescens
Lowell Ahart
1986-11-7
5427
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
CAS-BOT-BC284083
Eragrostis pectinacea var. pectinacea
Lowell Ahart
1986-11-14
5469
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville
36
Comment
CAS-BOT-BC278507
Eragrostis pilosa
Lowell Ahart
1981-9-19
3188
Butte
Cresta Power House
550
Comment
CAS-BOT-BC278514
Eragrostis pilosa var. pilosa
A. A. Heller
1914-8-20
11688
Butte
Hills 8 miles north of Oroville near the base of Table Mountain
Comment
RSA755367
Eragrostis pilosa var. pilosa
L. Ahart
2009-10-7
16408
Butte
Just under water when the Thermalito Afterbay is full, Larkin Road access to the Thermalito Afterbay, about 5 air miles southwest of Oroville.
41
Comment
SEINET10873980
Eremocarpus setiger
Mary Susan Taylor
1982-8-16
Taylor 4989
Butte
T24N R4E sw/se sec 28. Paradise NE quad. S end of Stirling City, along both sides of the Skyway. Mixed Evergreen Forest; 3400 ft.
1036
Comment
CHSC101490
Eremogone cliftonii
Samantha Mackey Hillaire
2008-6-10
1253
Butte
Lassen National Forest. Powerline survey, approx. 1.4 air miles east of Flea Mountain to southern end of occurrence. Accessed from roads 24N13, 24N13A, 23N14Y, 23N22Y. Found plants on ridges between 636057.190602654, 4414774.7153736 in the north to 633268,739075563, 4410021.81676031 in the south. Elevation 3200-4292 feet.
989
Comment
CHSC35050
Eremogone cliftonii
R. A. Schlising; R. Banchero
1981-6-29
4124
Butte
NE part of county, 0.5 mi SW of Ramsey Bar on Little Kimshew Creek.
1417
Comment Read comments Jul 8 2014
CHSC90973
Eremogone cliftonii
L. P. Janeway; S. Mackey Hillaire, M. Brown, J. Tuitele-Lewis
2005-5-4
8376
Butte
Northern High Sierra Nevada. Plumas National Forest; along Pulga Road on southwest side of Dogwood Creek; canyon of North Fork Feather River.
594
Comment Read comments Jul 8 2014
OBI5721
Ericameria bloomeri
H. F. Copeland
1928-8-29
383
Butte
Neighborhood of Jonesville; summit of Humboldt rd
2134
Comment
UC87299
Ericameria nauseosa var. speciosa
H. E. Brown
Nov 15 1896-Nov 30 1896
46
Butte
near Clear Creek
53
Comment
POM55488
Erigeron divergens
A. A. Heller, H. E. Brown
1902-5-6
s.n.
Butte
Berry Canyon (Near Clear Creek)
Comment
CHSC58252
Erigeron foliosus var. hartwegii
Lowell Ahart
1992-5-9
6756
Butte
Along Oregon Gulch, Lake Oroville Recreation Area, about 1 1/4 miles west of Oroville Dam.
91
Comment
SD5417
Erigeron miser
E. B. Copeland
1930-8-6
Butte
Jonesville
1550
Comment
CHSC3202
Eriodictyon californicum
Gerry Carrauthers
1966-4-23
126
Butte
9 mi. from city of Chico (east) on Highway 32. Near roadside.
Comment
CHSC679
Eriodictyon californicum
A. Goekler
1928-4-25
Butte
Bidwell Park
76
Comment
SBBG16968
Eriodictyon californicum
M. Vincent
1962-4-19
213
Butte
Humbug Rd, 3 mi NE of Centerville
Comment
SEINET10497041
Eriodictyon californicum
Mary Susan Taylor
1975-2-16
Taylor 385
Butte
Ca. 2 mi S of Kunkle Reservoir, ca. 4 mi S of Paradise, on W side of Pentz-Magalia Hwy. Foothill Woodland.
427
Comment
POM306191
Eriogonum luteolum
Henry J. Ramsey, Henry J. Ramsey
1939-10-15
s.n.
Butte
Feather River Hwy.
Comment
SEINET10623835
Eriogonum marifolium
Edwin B. Copel
1930-7-12
Copeland 410
Butte
Above Jonesville, Butte County. On loose soil in open fir woods, with Calyptridium (No. 410a).
2000
Comment
NY323384
Eriogonum marifolium var. apertum
E. B. Copeland
1930-7-12
410
Butte
Above Jonesville
2000
Comment
CHSC63709
Eriogonum nudum var. oblongifolium
Lowell Ahart
1994-10-16
7563
Butte
Along both sides of the dirt road to the Forbestown Reservoir, near Woodleaf Creek, about 3/4 mile south-west of the Forbestown Reservoir Dam, about 2 miles (air) north and 3 1/2 miles east of Forbestown.
762
Comment
JEPS87617
Eriogonum nudum var. oblongifolium
Lowell Ahart
1994-10-16
7563
Butte
about 3/4 mi sw along dirt road Forbestown Reservoir Dam (near creek, about 2 air mi n and 3 1/2 mi e of Forbestown); Woodleaf Creek
762
Comment
CAS-BOT-BC269854
Eriogonum nudum var. pubiflorum
A. A. Heller
1914-7-22
11585
Butte
Little Summit
1463
Comment
UC725365
Eriogonum nudum var. pubiflorum
A. A. Heller
1940-9-28
15839
Butte
w Pentz (roadside bank)
Comment
CAS-BOT-BC268615
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
s.n.
Butte
Jonesville. Ridge between Jones and North Willow Creeks
1700
Comment
SEINET3404037
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
633
Butte
Jonesville: Ridge between Jones and North Willow Creeks
1700
Comment
CAS-BOT-BC267909
Eriogonum umbellatum
V. Oswald; L. Ahart
1988-7-29
3645
Butte
Ca. 5 mi. (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
CHSC51894
Eriogonum umbellatum var. ahartii
L. P. Janeway
1987-6-20
2267
Butte
Top of Lumpkin Ridge 0.6 mi S of the Feather Falls-Lumpkin Ridge Rd.
1249
Comment
UC1594723
Eriogonum umbellatum var. nevadense
Lowell Ahart
1992-7-29
6868
Butte
about 1/2 mi nw Lotts Lake (about 1 mi e of the Carr Mine)
1828
Comment
RSA31981
Eriogonum ursinum
A. A. Heller
1938-5-28
15116
Butte
Feather River Hwy, 23 miles from Oroville
Comment
RSA0048238
Eriogonum ursinum
James R. Shevock
1972-5-19
1774
Butte
Jarbo Pass, Feathr River Cyn., Hwy. 70.
1066
Comment
SEINET10871615
Eriogonum ursinum
Mary Susan Taylor
1978-7-18
Taylor 1698
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
RSA699709
Eriogonum vimineum
L. Ahart
2004-7-11
11224
Butte
On the southeast edge of Paradise Lake, about 3/4 mi. northeast of the picnic area, about 1 mi. northeast fo Paradise Dam, about 4 mi. (air) southwest of Stirling City. Yellow Pine Forest.
815
Comment
CHSC100919
Eriophyllum lanatum var. croceum
R. A. Schlising; Arthur Dawson, Don Burk
1982-6-2
4280
Butte
North of Oroville and north of Concow Reservoir. At roadside.
Comment
CHSC73931
Eriophyllum lanatum var. croceum
B. Castro; L. Gehrung
1998-7-16
809
Butte
Ca 7.5 air mi NW of Brush Creek, ca 0.7 mi SE of Big Bar Mtn, on N edge of USFS Rd 22N73X/76X, ca 0.35 E of its jcn with the main road (USFS Rd 23N28). In bed of old logging road.
1194
Comment
JEPS97598
Eriophyllum lanatum var. croceum
R. D. Stone and W. B. Davilla
1984-5-16
605
Butte
2 mi west of Stirling City (0.2 mi S of confluence of Little West Fork and Cunningham ravine); Little West Fork of West Branch Feather River
929
Comment
CAS-BOT-BC308153
Eriophyllum lanatum var. grandiflorum
A. A. Heller; H. E. Brown
1902-5-7
5483
Butte
Berry Canyon near Clear Creek
Comment
CAS-BOT-BC308167
Eriophyllum lanatum var. grandiflorum
Mrs. C. C. Bruce
1893-5-1
1989
Butte
Unspecified
Comment
CHSC109576
Eriophyllum lanatum var. grandiflorum
L. P. Janeway
2012-6-7
10856
Butte
Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines
895
Comment
CHSC329
Eriophyllum lanatum var. grandiflorum
M. Roberson
1956-5-21
Butte
Near Paradise along Skyway.
548
Comment
CHSC33404
Eriophyllum lanatum var. grandiflorum
R. E. Preston
1981-7-8
25
Butte
Scott's John Creek, at Butte-Plumas County border, ca. 5.5 km ne of Jonesville.
1930
Comment
CHSC42466
Eriophyllum lanatum var. grandiflorum
Lowell Ahart
1987-5-22
5666
Butte
About 1/4 mile south-east of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC6702
Eriophyllum lanatum var. grandiflorum
Marilyn Lee
1968-5-3
166
Butte
North side of Skyway ca 8 miles E. of Chico.
Comment
HSC38067
Eriophyllum lanatum var. grandiflorum
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2475
Butte
S facing slope beside Hwy. 191, 1 mi. W of Paradise
Comment
RSA302658
Eriophyllum lanatum var. grandiflorum
J. R. Shevock
1972-5-19
1781
Butte
Hwy 70, Feather River Canyon.
610
Comment
SFV3891
Eriophyllum lanatum var. grandiflorum
M. L. Vincent
1960-9-8
92
Butte
Sierra Nevada Paradise. In lot across street from 5330 Harrison Road.
525
Comment
UC569464
Eriophyllum lanatum var. grandiflorum
P. L. Johannsen
1936-4-16
927
Butte
Bolt Creek Paynes Creek Quadrangle, Bolt Creek
1432
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
CHSC31154
Erodium brachycarpum
M. S. Taylor
1980-3-1
2331
Butte
West end of Dump, on n side of Neal Rd, ca. 1 mi e of Hwy 99, ca. 7 mi s of Chico.
76
Comment
JEPS94822
Erodium moschatum
Lowell Ahart
1998-6-9
8002
Butte
about 7 air mi n Oroville (about 5/8 mi nw of the ione oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
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
JEPS15842
Eryngium articulatum
W. L. Jepson
1934-5-5
16610
Butte
1 1/2 mi. s. Nord (swales of Pine Creek near Sacramento R.); Pine Creek
Comment
CHSC37504
Eryngium castrense
J. D. Jokerst
1983-1-17
1676
Butte
Top of North Table Mt. Ca 1/2 mile north of Cherokee Rd at the east edge of mesa.
381
Comment
JEPS127005
Eryngium castrense
Lowell Ahart
2016-5-24
20849
Butte
About 200 yards west of Loma Rica Road, about 300 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut.
Comment
UC1122957
Eryngium castrense
F. W. Embree
1934-4-24
42
Butte
4 1/2 mi. n. & 1 1/2 mi. e. Biggs (Plot <A or G>); Marysville Quad.
Comment
CHSC29285
Erythranthe arvensis
R. A. Schlising
1980-4-14
3563
Butte
Richvale vernal pools. 1/4 mi s of junction Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
CHSC42870
Erythranthe bicolor
Lowell Ahart
1987-5-11
5615
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CHSC58958
Erythranthe breweri
Lowell Ahart
1992-7-21
6802
Butte
On the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CAS-BOT-BC153857
Erythranthe glaucescens
Lowell Ahart
1985-5-6
4934
Butte
On the bottom of Lindo Channel, about 1/10 mile east of Longfellow Avenue, Chico
65
Comment
CHSC38700
Erythranthe glaucescens
Vernon Oswald
1983-3-9
138
Butte
Upper Bidwell Park, Chico, on the north clope ca. 600 ft w of the power lines abd 1600 ft n of the Upper Park Rd.
152
Comment
CHSC44820
Erythranthe glaucescens
R. Banchero
1980-6-2
183
Butte
Along Humbolt Rd 0.6 mi NE of its jct with Hwy 32, 3.8 mi SW of the Butte Meadow Fire Station.
1219
Comment
CHSC3538
Erythranthe guttata
John Francis
1996-3-21
87
Butte
1.8 miles from intersection of Hwy. Alt. 40 and Coal Canyon Rd., on Coal Canyon Rd.
Comment
CHSC44069
Erythranthe latidens
Lowell Ahart
1986-4-19
5244
Butte
Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC11896
Erythranthe primuloides
E. B. Copeland
1929-7-13
459
Butte
Jonesville.
1550
Comment
CHSC2263
Erythronium multiscapideum
A. Riker
1897-5-1
Butte
Comment
CHSC32653
Erythronium multiscapideum
M. S. Taylor; D. Hemphill
1981-3-18
3416
Butte
S side of Hwy 70 just e of Pulga Bridge by turnout.
487
Comment
CHSC88642
Erythronium multiscapideum
Linnea Hanson
1983-4-6
179
Butte
Plumas National Forest. At Pulga Bridge, Oroville side.
426
Comment
UC119848
Erythronium multiscapideum
Mrs. R. M. Austin
1883-1
320
Butte
Davis Creek
Comment
UC1485466
Erythronium multiscapideum
M. S. Taylor
1981-4-8
3516
Butte
open reddish serpentine slope ca 1/10 mi s jct of Concow Road and Ponderosa Way (ca 7 mi n of Jarbo Gap on Hwy 70, ca 22 air mi n of Oroville); Pulga SW Quad
975
Comment
CHSC51078
Erythronium purpurascens
Pauleen Broyles
1987-7-19
1078
Butte
Ca 7.2 km NE of Inskip.
1728
Comment
CHSC39225
Eschscholzia caespitosa
M. S. Taylor; K. Tharp
1983-3-11
5229
Butte
Along abandoned part of Hwy 162 which leads into water at n end of Bidwell Bar Bridge, ca. 6 air mi nne of Oroville.
Comment
SEINET3296966
Eschscholzia californica
A. A. Heller
1938-4-23
15052
Butte
West side of the summit on the Feather River Highway ne near the Yankee Hill road.
Comment
CHSC1196
Eschscholzia lobbii
P. Delaplane
1965-3-30
13
Butte
Along W. side of Cohasset Rd., 1/4 mi. S. W. of intersection of Cohasset Rd. and Keefer Rd.
213
Comment
CHSC27672
Eschscholzia lobbii
Robert A. Schlising
1978-4-23
3224
Butte
S of Cohasset along Cohasset Road, 4.9 mi NE of jct with Richardson Springs Road, 4.9 mi NE of jct with Richardson Springs Road and 5.2 mi NE crossing of Mud Creek.
Comment
CHSC29008
Eschscholzia lobbii
M. S. Taylor
1980-4-4
2453
Butte
On s side of Melody Lane, ca. 1 mi e of its jct with Honcut-Palermo Rd, ca. 5 mi s of Palermo.
38
Comment
CHSC4000
Eschscholzia lobbii
L. R. Alexander
1967-4-2
4
Butte
Found 1 mi. from Chico on Paradise road on left hand side of road.
60
Comment
CHSC52448
Eschscholzia lobbii
Germaine Belanger
1984-4-3
12
Butte
6 mi S of Oregon Gulch and Cherokee Rd jct.
396
Comment
UCSB63594
Eschscholzia lobbii
Cederborg, Mark
1995-4-18
Butte
Ca. 200 yds w of Cherokee Rd; ca. 6 mi n of Oroville; Oroville U.S.G.S. Quadrangle; 15'. Ne 1/4 Sect 17. T20.R4E
390
Comment
CDA43084
Eucalyptus tereticornis
L. P. Janeway
2011-2-22
10226
Butte
Sacramento Valley.; South side Feather River just east of Bedrock Park, Oroville.
Comment
CHSC79492
Euonymus occidentalis var. occidentalis
G. F. Hrusa; T. D. Wilfred
1996-7-9
13115
Butte
Northern California. Plumas National Forest. On Jordan Creek at old Picnic Area above falls before confluence with Marble Creek. [Lat./Long. on label is '39 46 N; 121 17 W'].
1175
Comment
SEINET10453750
Euphorbia crenulata
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4069
Butte
T20N R5E sec 5. Along Bloomer Hill Rd, ca. 0.5 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland.
400
Comment
SEINET10453765
Euphorbia hooveri
Mary Susan Taylor
1980-1
Butte
Comment
CAS-BOT-BC202428
Euphorbia ocellata
John Thomas Howell
1962-6-16
37586
Butte
3.5 mi. n. of Pentz
396
Comment
CDA34133
Euphorbia peplus
L. Ahart
2009-4-3
15532
Butte
Chico: East of the Cedar grove Parking Area in Lower Bidwell Park.
Comment
RSA0106562
Euphorbia serpillifolia subsp. serpillifolia
Lowell Ahart
2014-9-23
19877
Butte
On the northeast part of Horeshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
89
Comment
CHSC62356
Euphorbia spathulata
B. Castro
1990-4-21
420
Butte
Ca 3 mi SW of Paradise, off Honey Run Rd. Near top of embankment at foot of canyon hillside.
146
Comment
JEPS113325
Euthamia occidentalis
L. P. Janeway
2006-10-4
8902
Butte
Sacramento Valley. Oroville Wildlife Area; 150 m east of Feather River, on west bank of narrow slough; 1.7 km south-southeast of the Thermalito Afterbay outlet.
Comment
CHSC103996
Festuca arundinacea
Lowell Ahart
2010-5-14
16640
Butte
Along a trail in the Disc Golf Area, about 130 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
398
Comment
CHSC38794
Festuca arundinacea
Vernon Oswald
1983-5-9
462
Butte
Upper Bidwell Park, Chico, along Yahi Trail where it follows the margin of Chico Creek e of Brown's Hole.
207
Comment
SEINET10560623
Festuca elmeri
A. Arthur Heller
1902-5-16
Heller 5562
Butte
Marysville Buttes (rocky slope of East Butte)
Comment
CAS-BOT-BC278799
Festuca occidentalis
Lowell Ahart
1987-7-8
5801
Butte
Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga
1280
Comment
CHSC98943
Festuca subulata
Lowell Ahart
2008-6-2
14807
Butte
Shaded road cut, on the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown.
670
Comment
SEINET10822121
Festuca subulata
Lowell Ahart
2008-6-2
Ahart 14807
Butte
T19N, R6E, southwest 1/4 Section 4. On the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown.
671
Comment
CAS-BOT-BC77688
Ficus carica
John Thomas Howell
1959-9-20
34702
Butte
Feather River Highway 5.5 miles below West Branch bridge
Comment
RSA755423
Filago gallica
L. Ahart
2009-5-30
15809
Butte
West side of Guardians Trail, about 100 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile west of the intersection of Highway 32 and Ten Mile House Road.
441
Comment
CHSC50552
Floerkea proserpinacoides
Vernon Oswald
1990-7-3
4343
Butte
Headwaters of the east branch of Willow Creek, ca. 0.75 mi south of Humbug Summit, ca. 4.75 mi east of Jonesville.
1950
Comment
CDA14053
Fragaria vesca
G. F. Hrusa, T. D. Wilfred
1997-5-1
13700
Butte
Sierra Nevada; NE side of upper end of Paradise Lake, where last tributaries enter from east.
Comment
SEINET10493572
Frangula purshiana
Mary Susan Taylor
1981-5-13
Taylor 3703
Butte
4000 ft. T22N R6E ne sec 5, Pulga SE quad. Along creek crossing 22N66X (old RR bed) just N of Foreman Creek, ca. 1.5 mi S of Four Trees Rd, ca. 0.5 mi W of Elks Retreat on Oroville-Quincy Hwy.
1219
Comment
CHSC46219
Frangula rubra
Pauleen Broyles
1987-5-18
1023
Butte
In town of Paradise. Along both sides of bicycle path (old RR bed) in remnant of Yellow Pine Forest.
Comment
POM76517
Fraxinus latifolia
C. C. Bruce
1897-03
1789
Butte
Little Chico
Comment
CHSC86423
Fritillaria affinis
R. D. Fischer; Paul Maslin
2004-2-7
57
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). Plants located about half mile south of main entrance. UTM: 10 609847E 4408885N.
381
Comment
CHSC32632
Fritillaria eastwoodiae
M. S. Taylor
1981-4-2
3475
Butte
Ca. 1/5 mi se of Ponderosa Way bridge over West Branch Feather River, in Genii Mine area, ca. 3/4 mi ne (downhill) of Magalia.
548
Comment
CHSC77456
Fritillaria eastwoodiae
Laura Bogni
1997-4-5
13
Butte
Magalia grove. West side of Coutelenc rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
SDSU19717
Fritillaria eastwoodiae
Sean Ryan
2010-4-17
34
Butte
10 yards from south side of Nimshew Road, approximately 100 yards west of its intersection with Tika Lane, NW of Magalia.
750
Comment
SD6589
Galium aparine
Daniel Cleveland
1885-3-17
Butte
Sutton House
Comment Read comments Oct 3 2007
UC1564809
Galium bifolium
V. Oswald and L. Ahart
1989-7-12
3849 .5
Butte
road between Jones Meadow Lotts Lake (ca 3 air mi se of Philbrook Reservoir)
1901
Comment
CHSC20972
Galium bolanderi
M. S. Taylor
1975-9-12
906
Butte
Ca. 24 mi NE of Chico, ca. 500 ft W of Hwy 32.
1066
Comment
CHSC34219
Galium bolanderi
M. S. Taylor
1981-5-29
3815
Butte
Chino Ridge, ca. 0.5 mi N of 22N31, ca. 3 air mi SE of Pulga.
853
Comment
CHSC65586
Galium bolanderi
L. P. Janeway
1995-6-1
4770
Butte
At the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
1054
Comment
JEPS121970
Galium bolanderi
Lowell Ahart
2014-7-7
19569
Butte
Along the east side of the Skyway, about one-mile south of Inskip.
Comment
CHSC51914
Galium grayanum var. grayanum
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3139
Butte
Ridge SE from Snow Mtn.
2103
Comment
SEINET10902549
Galium murale
Mary Susan Taylor
1978-4-14
Taylor 1551
Butte
On E side of Williams Road in Valley Grassland, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
30
Comment
POM68694
Galium nuttallii var. tenue
C. C. Bruce
1897-05
1934
Butte
Little Chico.
Comment
UC1562420
Galium parisiense
Lowell Ahart
1990-6-16
6512
Butte
se side of dirt road near Forbestown Generator (se side of Forbestown Reservoir)
487
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
SEINET10500740
Galium porrigens var. tenue
Mary Susan Taylor
1981-3-16
Taylor 3406
Butte
T21N R4E southcenter sec 16; Cherokee q. E side of Truex Rd, ca. 0.5 mi s of its jct with Hwy 70, ca. 7 mi n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
SEINET10500640
Galium tricornutum
Lowell Ahart
1991-5-8
Ahart 6649
Butte
Along a small wash, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. Valley Grassland. T17N R4E S4.
37
Comment
UCD121927
Galium tricornutum
D. B. Marcum
1969-4-12
20
Butte
18.6 miles north of Marysville on State Highway 70.
24
Comment
POM367830
Galium trifidum
H. F. Copeland
1930-07
1393
Butte
Jonesville.
Comment
SEINET10500750
Galium trifidum var. pusillum
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4196 A
Butte
T25 N R5E SW 1/4 sec 29. Pulga NW quad. Jones Meadow, ca. 3 mi S of Philbrook Reservoir, ca. 6 mi NE of Stirling City. Montane Meadow. 6000 ft.
1829
Comment
CHSC11818
Galium triflorum
E. B. Copeland
1930-7-15
472
Butte
Jonesville.
1500
Comment
SEINET10500650
Galium triflorum
Mary Susan Taylor
1978-7-19
Taylor 1740
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
JEPS98708
Gamochaeta argyrinea
Lowell Ahart
2000-5-13
8345
Butte
5 air miles SW of Oroville (margin of the Thermalito Afterbay, W side of the access road to the boat ramp, W side of Larkin Road)
42
Comment
CHSC108860
Garrya fremontii
Lowell Ahart
2012-2-22
17755
Butte
On the south side of Guardian Trail, about 20 yards west of Ten Mile House Road, about 1/4 mile west of High 32, about 9 miles northeast of Chico.
426
Comment
CHSC77053
Garrya fremontii
L. P. Janeway
2000-1-29
6630
Butte
Cascade Range Foothills. Along old Hwy 32, 300 ft North of current Hwy 32, 9.4 mi north-northeast of Hwy 99/Chico. Ridge top between Big Chico Creek and Little Chico Creek.
518
Comment
CHSC95071
Garrya fremontii
L. P. Janeway; Dan Lubin, Linnea Hanson, Jim Bishop, Catie Bishop
2006-6-12
8688
Butte
Northern High Sierra Nevada; Plumas National Forest, Feather River Ranger District. Top of the ridge at 'Magalia Serpentine' about 40 m west of Coutelenc Road and 300 m north of Skyway.
713
Comment
SD3490
Garrya fremontii
E. B. Copeland
1932-7-27
Butte
Jonesville
1650
Comment
SFV11166
Garrya fremontii
M. L. Vincent
1964-4-10
560
Butte
Highway 32, 10 miles northeast of Chico.
520
Comment
SEINET10453490
Garrya fremontii
Mary Susan Taylor
1979-10-13
Taylor 2260
Butte
T22N R4E n half sec 17. Foothill Woodland on Jordan Hill Road (Ponderosa Way on some maps), ca. 4.8 mi N of its jct with Concow Road, ca. 2 mi E of Paradise. With Jim Jokerst.
610
Comment
CHSC56630
Gastridium phleoides
T. B. Devine
1980-6-28
717
Butte
At junction of Pentz Road and Pentz-Magalia Hwy.
Comment
CHSC82418
Gastridium phleoides
Lowell Ahart
2002-5-7
9639
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
JEPS127202
Gastridium phleoides
Lowell Ahart
2016-6-4
20918
Butte
About 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown.
Comment
CDA31993
Gastridium ventricosum
L. Ahart
2008-5-12
14780
Butte
Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
Comment
CHSC90296
Gaultheria ovatifolia
L. P. Janeway
1994-7-19
4696
Butte
Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River.
1179
Comment
UC600543
Gayophytum heterozygum
H. F. Copeland
1927-9-2
445
Butte
Jonesville
Comment
CHSC113515
Gayophytum racemosum
Lowell Ahart
2014-7-7
19602
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
POM193354
Gentiana simplex
E. B. Copeland
1930-8-2
440
Butte
Jonesville.
1500
Comment
JEPS119997
Geranium carolinianum
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17905
Butte
Southwest of the intersection of Valllombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
Comment
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
JEPS115328
Geranium molle
Lowell Ahart
2009-4-17
15546
Butte
On the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico
373
Comment
CHSC42791
Geum macrophyllum
L. P. Janeway
1987-7-4
2409
Butte
Along W Branch Feather River at bridge 1.8 mi from Inskip. Meadow along side channel of the river.
1341
Comment
CAS-BOT-BC459404
Geum macrophyllum
H. F. Copeland
1920-8-29
139
Butte
Jonesville
1219
Comment
SEINET10483301
Geum macrophyllum
Mary Susan Taylor
1978-6-24
Taylor 1639
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
SEINET12331839
Gilia capillaris
Unknown
1985-1
5105
Butte
1 mi S of the Ponderosa Dam across the South Fork of the Feather River, about 3 mi NW of Forbestown
1585
Comment
CHSC41373
Gilia capitata subsp. mediomontana
R. A. Schlising; R. Banchero
1980-7-11
3878
Butte
NE part of county near Merrimac; roadsides.
1203
Comment
POM264779
Gilia capitata subsp. mediomontana
Lincoln Constance
1941-5-28
2827
Butte
S Branch of the Feather River at Magalia, Sierra Nevada foothills.
488
Comment
CHSC40921
Gilia capitata subsp. pedemontana
Lowell Ahart
1985-5-15
4989
Butte
Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
CHSC90252
Gilia tricolor
Camela J. Ott
1989-3-14
1
Butte
Population in vic. of Salmon Hole, upper Bidwell Park, ca. 3 mi e of Chico Municipal Golf Course.
106
Comment
CHSC36069
Gilia tricolor subsp. tricolor
Daniel K. Parker
1981-4-21
4
Butte
Ca. 75 m w Cherokee Road, 9.4 km ssw Cherokee. Meadow.
380
Comment
UC172852
Gilia tricolor subsp. tricolor
A. A. Heller
1913-4-7
10724
Butte
hills six mi n Oroville; n of Oroville
Comment
CHSC48011
Githopsis pulchella subsp. campestris
Vernon Oswald
1983-5-21
521
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.6 mi e of the power lines.
341
Comment
CHSC50106
Githopsis pulchella subsp. campestris
Vernon Oswald
1990-4-24
4170
Butte
Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse.
292
Comment
UC890660
Githopsis specularioides
A. A. Heller
1915-4-20
11853
Butte
3 mi from Chico (Chico-Centerville road)
Comment
CHSC51001
Glinus lotoides
Lowell Ahart
1990-7-2
6537
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
JEPS103370
Glinus lotoides
Lowell Ahart
2002-10-17
9982
Butte
On the gentle hills below the high water line of Lake Oroville, ca 1 1/2 miles S of Highway 162 (Oroville Quincy Highway), ca 3 miles (air) NE of Oroville Dam.
227
Comment
JEPS124255
Glinus lotoides
Lowell Ahart
2015-10-26
20592
Butte
About 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
CAS-BOT-BC435023
Glinus radiatus
C. C. Parry
1882-11-1
s.n.
Butte
Chico
Comment
JEPS121950
Glyceria borealis
Lowell Ahart
2014-7-7
19585
Butte
In the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
CHSC78223
Glyceria declinata
Lowell Ahart
2000-5-21
8377
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
UCD85124
Glyceria elata
G. F. Hrusa; T. D. Wilfred
1996-7-9
13189
Butte
Plumas National Forest. On 23N15, approx. 100 m. to S of Hwy 162 across from entrance to Rogers Cow Camp.
1250
Comment
CHSC44455
Glyceria occidentalis
Lowell Ahart
1988-5-29
6014
Butte
Bottom of a 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
SEINET10905047
Gnaphalium
Mary Susan Taylor
1981-5-6
Taylor 3625
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
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
CHSC97727
Gnaphalium palustre
Lowell Ahart
2007-11-3
14567
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
JEPS7404
Gnaphalium palustre
Rimo Bacigalupi with Larry R. Heckard
1951-8-7
3476
Butte
0.3 mi w of Jonesville (on roadcut at crossing of Butte Creek, along road to Butte Meadows)
1524
Comment
CHSC28834
Gratiola ebracteata
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-18
426
Butte
Top of North Table Mt, ca 1.0 mi n of jct of e edge of Mt and Cherokee Rd.
381
Comment
NY43531
Grindelia hirsutula var. hirsutula
S. Bianco
1995-9-23
1030
Butte
Along dirt trail that extends from Ishi Trail in Concow
762
Comment
CHSC47986
Hackelia californica
Vernon Oswald
1983-7-19
884
Butte
Bull Hill Rd. 1.0 mi n of its jct. with the Skyway and Humbug Summit Rd. In a meadow.
1524
Comment
CHSC28407
Hamamelis vernalis
J. Battagin
1979-9-13
Butte
Ca. 5 air mi due e of Big Bend Mt.
Comment
JEPS120074
Hedera helix
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17806
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CHSC28507
Helenium puberulum
M. S. Taylor; J. D. Jokerst
1979-10-13
2255
Butte
By creek crossing Jordan Hill Rd (Ponderosa Way on some maps) ca. 5 mi e of Paradise, ca. .8 mi n of its jct with Concow Rd.
426
Comment
CHSC32601
Helianthella californica var. nevadensis
J. D. Jokerst
1980-4-19
617
Butte
Humbug Rd, 6.6 mi N of the Centerville Cemetary (Butte CR Canyon).
Comment
CHSC36557
Helianthus annuus
L. Ahart
1982-7-10
3663
Butte
In parking area of checking station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
CHSC76120
Helianthus bolanderi
G. F. Hrusa
1997-8-5
14064
Butte
Sierra Nevada. Grown in Woodland. Magalia. Immed. N of Magalia Reservoir in N hillside above Little Butte Creek. Accessed off Holmwood Rd.
Comment
CHSC83054
Heliotropium curassavicum
Lowell Ahart
2002-10-17
9986
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
SD175807
Heliotropium europaeum
D. G. Kelch
2006-8-2
06 340
Butte
Along butte Cree, north of Durham-Dayton Highway.
46
Comment
CHSC357
Hemizonia congesta subsp. luzulifolia
V. Holt
1944-9-15
Butte
Near Chico.
57
Comment
POM219506
Hemizonia pungens subsp. pungens
H. F. Copeland
1923-8-13
545
Butte
Nelson.
Comment
CHSC111117
Herniaria hirsuta var. hirsuta
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-17
18070
Butte
On the west side of the poor road (horse trail), about 100 yards north of the paved park road, west side of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, lower Bidwell Park, Chico.
76
Comment
CHSC36119
Hesperevax caulescens
Mary Banchero
1979-4-18
17
Butte
Northernmost Butte County, ca. 0.5 mi n of Pine Creek, nw of Singer Creek; 7 mi nw of Nord on Cana-Pine Creek Road.
56
Comment
CAS-BOT-BC175997
Hesperolinon californicum
Lowell Ahart
1977-5-11
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
UC1212423
Hesperolinon micranthum
Mrs. C. M. Wilder
1912-6-9
1711
Butte
Paradise
Comment
UCD110536
Hesperolinon micranthum
E. B. Copeland
1931-7-12
656
Butte
Jonesville, between Jones and North Willow Creeks.
1700
Comment
SEINET10493822
Hesperolinon micranthum
Lowell Ahart
1985-6-30
Ahart 5085
Butte
About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft.
868
Comment
CHSC19721
Heteranthera limosa
Lowell Ahart
1974-8-29
1618
Butte
Found in a rice field. Peter Ahart Ranch, Honcut.
45
Comment
CHSC44276
Heterocodon rariflorum
Vernon Oswald
1988-6-14
3379
Butte
Jordan Hill Rd. 0.5 mi s of the road to Sawmill Peak.
890
Comment
JEPS115569
Heterocodon rariflorum
Lowell Ahart
2009-5-23
15761
Butte
South of a small drainage, about 30 yards west of Guardians Trail, about 100 yards northeast of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
CHSC3603
Heteromeles arbutifolia
Gerry Carrauthers
1966-2-28
23
Butte
Ca. 10 mi N.E. of Chico at end of dirt road beyond Bidwell Golf Course ca. 5 mi.
Comment
CHSC6159
Heterotheca grandiflora
J. Wheeler
1968-2-15
281
Butte
Southern Pacific Railroad embankment at Coal Canyon.
228
Comment
SEINET10839198
Heterotheca grandiflora
Mary Susan Taylor, K. Tharp
1982-4-8
Taylor 4293
Butte
T19N R4E border sac 1/2. Oroville quad. Along both side of Oroville Dam Blvd (Alt. 40), ca. 1.5 mi s of Oroville Dam Visitors Center, Oroville. Foothill Woodland; 800 ft.
244
Comment
CHSC83120
Heterotheca oregona var. compacta
Lowell Ahart
2002-9-27
9939
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
SEINET10970395
Heuchera micrantha var. erubescens
Lowell Ahart
1983-5-28
Ahart 4019
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
CAS-BOT-BC312345
Hieracium albiflorum
A. A. Heller
1917-7-26
12848
Butte
Butte Meadows
1402
Comment
CHSC38521
Hoita macrostachya
Vernon Oswald
1983-7-28
936
Butte
Upper Bidwell Park, Chico, along Yahi Trail near Chico Creek e of Brown's Hole.
207
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
JEPS110329
Holcus lanatus
Lowell Ahart
2006-7-25
13056
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
CHSC38363
Holocarpha virgata subsp. virgata
Vernon Oswald
1983-10-2
1048
Butte
Upper Bidwell Park, Chico, on the north rim ca. 200 ft e of the head of the western intermittent stream which flows into Sycamore Creek. In the middle of the North Rim Trail.
304
Comment
CHSC42797
Holodiscus microphyllus var. glabrescens
L. P. Janeway
1987-7-5
2463
Butte
Along the road to High Lakes, 5.2 mi from the Skyway (Philbrook Rd).
1844
Comment
CHSC4410
Hordeum murinum subsp. glaucum
1966-5-25
Butte
Arcadian Ave. across from Ed.-Psy. Building, Chico. Vacant lot.
Comment
CHSC92553
Hordeum murinum subsp. leporinum
Lowell Ahart
2005-12-11
12518
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
CAS-BOT-BC143974
Horkelia fusca var. tenella
A. A. Heller
1914-8-8
11673
Butte
Jonesville
1524
Comment
CHSC24675
Horkelia tridentata
S. Deaton
1976-4-14
19
Butte
20 ft w of Feather Falls trail and 3 mi n of Falls parking lot.
914
Comment
CHSC116223
Horkelia tridentata var. tridentata
Lowell Ahart
2015-6-16
20239
Butte
On the west side of the paved road, about 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls.
1406
Comment
CAS-BOT-BC536259
Horkelia tridentata var. tridentata
H. C. Cantelow
1940-5-10
s.n.
Butte
2.3 miles west of Brush Creek Ranger Station
Comment
CHSC60978
Hosackia oblongifolia
Lowell Ahart
1993-6-26
7009
Butte
On the north side of the dirt road, about 1/4 mile west of Lost Creek Reservoir. Meadow.
1036
Comment
CHSC885
Hosackia pinnata
L. Nelson
1935-5-25
Butte
Cohasset.
609
Comment
CHSC60985
Hydrophyllum occidentale
Lowell Ahart
1993-7-6
7056
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC87548
Hydrophyllum occidentale
R. D. Fischer
2004-3-5
71
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found 0.4 miles west of 10 Mile House Road parking area on south side of road cut-bank. UTM: 10609902E 4406833N.
396
Comment
UCD119493
Hydrophyllum occidentale
M. S. Taylor
1980-5-4
1997 A
Butte
Along Millsap Bar Rd., ca. 4 mi ne of its jct with Brush Creek Rd, ca 26 mi ne of Oroville.
1005
Comment
CAS-BOT-BC400829
Hypericum anagalloides
A. A. Heller
1916-9-8
12652
Butte
Ten mile house east of Chico
Comment
HSC100730
Hypericum anagalloides
Lowell Ahart
2009-6-19
15922
Butte
E side of Ten Mile House Rd., Upper Bidwell Park, 3/4 (air) mi. W of Hwy. 32, 10 mi. NE of Chico.
236
Comment
HSC104003
Hypericum anagalloides
L. Ahart
2011-7-9
17575
Butte
About 15 air mi. NE of Oroville, ~ 2 air mi. SE of Brush Creek, ~ 3/8 mi. NE of Little Bald Rock, SE edge of large open bare granite area
975
Comment
UC1442629
Hypericum anagalloides
Lowell Ahart
1978-9-16
Butte
along North Honcut Creek Peter Ahart Ranch; Honcut, Peter Ahart Ranch
50
Comment
CHSC5954
Hypericum calycinum
M. MacArthur
1968-6-17
183
Butte
Chico State College Campus, SE wall of Life Science bld.
60
Comment
CHSC3323
Hypericum concinnum
Robert L. Smith
1966-5-22
48
Butte
Paradise, 5 miles SW of Post Office.
Comment
CHSC48480
Hypericum formosum var. scouleri
Vernon Oswald
1983-7-26
917
Butte
Near Soda Springs Campground off of Calif. Hwy 32, 18.1 mi n=e of Forest Ranch. Growing in a wet, marshy spot beside Chico Creek.
1158
Comment
SEINET10472163
Hypericum formosum var. scouleri
Mary Susan Taylor
1977-7-15
Taylor 1403
Butte
Butte Meadows, ca. 20 mi NE of Chico off Hwy 32.
1326
Comment
CHSC76281
Hypericum mutilum
Lowell Ahart
1999-9-21
8263
Butte
Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
JEPS124322
Hypericum mutilum subsp. mutilum
Lowell Ahart
2015-10-20
20573
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CHSC52346
Hypericum perforatum
Pauleen Broyles
1987-5-21
1045
Butte
Vina Plains Preserve. Eroded sandstone banks along Pine Creek.
Comment
CAS-BOT-BC312932
Hypochaeris glabra
John Thomas Howell; Gordon H. True
1967-6-13
42592
Butte
Oroville
51
Comment
SEINET10473834
Hypochaeris glabra
Mary Susan Taylor
1980-4-6
Taylor 2454
Butte
On S side of Melody Lane, ca. 1 mi E of its junction with Honcut-Palermo Rd, ca. 5 mi S of Palermo. With L. Ahart & J.D. Jokerst.
38
Comment
CHSC45691
Hypochaeris radicata
Vernon Oswald; Lowell Ahart
1987-8-5
3176
Butte
Hwy 32, 3.3 mi s of Lomo at the 33.7 mi road marker.
1036
Comment
UC879867
Ipomopsis aggregata
A. A. Heller
1917-7-29
12857
Butte
summit above Jonesville
2133
Comment
CAS-BOT-BC133560
Iris hartwegii
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
CHSC35322
Iris macrosiphon
M. S. Taylor; K. Tarp
1982-4-8
4289
Butte
Along n side of Oroville Dam Blvd, ca. 1.5 mi s of Oroville Dam Visitors Center, Oroville.
243
Comment
CHSC36899
Iris macrosiphon
M. C. Earley
1982-4-18
16
Butte
Ca. 8.5 mi. ese of Chico.
114
Comment
SEINET10469751
Iris macrosiphon
Mary Susan Taylor
1978-5-6
Taylor 1577
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
SEINET10932892
Isoetes howellii
Mary Susan Taylor
1980-5-24
Taylor 2738
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC32607
Isoetes nuttallii
J. D. Jokerst; R. A. Schlising
1981-3-23
1267
Butte
Ca 100 m S of Neil Rd.
Comment
CAS-BOT-BC112445
Isolepis cernua
Lowell Ahart
1989-5-23
6270
Butte
In Dutch Ravine ca. 1/8 mi N of Swedes Flat Rd, ca. 1 1/2 mi E of the Oroville Bangor Hwy
426
Comment
CHSC97062
Juncus acuminatus
Lowell Ahart
2007-7-27
14396
Butte
On the south strand of the Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville.
36
Comment
CHSC2213
Juncus balticus
I. Boyd
1949-5-20
Butte
Centerville road just beyond Dunford's.
152
Comment
SEINET10872268
Juncus brachyphyllus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4135
Butte
T20N R5E sw sec 10. Near edges of Ponderosa Way (Big Ridge Rd), near East Fork of Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
CDA5727
Juncus bufonius var. bufonius
L. Ahart
2005-4-14
11719
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC26800
Juncus bufonius var. bufonius
M. S. Taylor; M. Hayes
1978-4-14
1559
Butte
Vernal pools, on e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College campus, ca. 15 mi s of Chico.
30
Comment
CHSC44244
Juncus bufonius var. bufonius
V. Oswald; L. Ahart
1988-7-13
3578
Butte
Road to High Lakes e of Philbrook Reservoir. On the n side of the road.
1859
Comment
CHSC51026
Juncus bufonius var. bufonius
Lowell Ahart
1990-7-4
6545
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
CHSC6131
Juncus bufonius var. bufonius
E. Parreno
1968-5-13
110
Butte
E Boundary of Upper Bidwell Park at the left of the road's end. Chico.
Comment
CHSC78327
Juncus bufonius var. bufonius
Lowell Ahart
2000-7-11
8565
Butte
On the sides of a dirt road, about 100 yards north of Lumpkin Ridge Road, upper west branch of Know-norhing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls.
1219
Comment
UCD141409
Juncus bufonius var. bufonius
L. Ahart
1978-5-1
1683
Butte
Peter Ahart Ranch, Honcut, about 2.25 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
120
Comment
CHSC27063
Juncus bufonius var. congestus
Lowell Ahart
1978-5-1
1682
Butte
Peter Ahart Ranch, Honcut. On the bottom of a swale.
50
Comment
CHSC38918
Juncus bufonius var. congestus
Vernon Oswald
1983-6-7
648
Butte
Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines.
198
Comment
JEPS88259
Juncus bufonius var. congestus
Vernon H. Oswald and Lowell Ahart
1996-5-27
7658
Butte
U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (sw corner of Tract 3.4, Sanctuary II); Sacramento River Wildlife Refuge, Llano Seca Unit
32
Comment
CHSC65354
Juncus bufonius var. occidentalis
Lowell Ahart
1995-10-3
7672
Butte
East of the dirt road, along a small branch of Willow Creek, about 1/2 mile west of Humbug Summit.
1981
Comment
UC1564728
Juncus bufonius var. occidentalis
V. Oswald and L. Ahart
1989-7-21
3868
Butte
ca 1 mi w Jonesville (junction of Willow and Colby Creeks, on the w side of Colby creek, on the n side of Humbold Rd)
1487
Comment
CHSC112909
Juncus capitatus
B. Castro; Robin Carter
2011-4-29
1871
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
CHSC116708
Juncus capitatus
Lowell Ahart
2016-5-15
20833
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.
45
Comment
CHSC50808
Juncus dubius
Vernon Oswald; Lowell Ahart
1990-7-31
4419
Butte
Meadow at the headwaters of Concow Creek, ca. 4 mi north of Cocow. Along the creek at the foot of the meadow.
1097
Comment
CHSC26750
Juncus effusus subsp. pacificus
M. S. Taylor; M. Hayes
1977-8-16
1449
Butte
Near man-made ponds on Clear Creek, Butte College Campus, ca. 15 mi s of Chico.
60
Comment
CHSC41304
Juncus effusus subsp. pacificus
S. C. Morey
1983-7-22
540
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC84202
Juncus effusus subsp. pacificus
Lowell Ahart
2003-6-30
10335
Butte
In the gutter on the north side of Fields Ridge Road, north of the Ponderosa Reservoir, about 3 miles (air) north of Forbestown.
491
Comment
JEPS113849
Juncus effusus subsp. pacificus
Lowell Ahart
2007-7-8
14265
Butte
On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
53
Comment
JEPS114880
Juncus effusus subsp. pacificus
Lowell Ahart
2008-7-23
15152
Butte
On the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
243
Comment
RSA729998
Juncus effusus subsp. pacificus
L. Ahart
2007-7-8
14265
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 1.5 miles north and 2.75 miles east of Honcut, about 12 miles (air) southeast of Oroville.
53
Comment
CHSC34176
Juncus ensifolius
L. Ahart
1981-9-15
3157
Butte
On sides of Pinkard Creek, ca. 1/2 mi n of Lost Creek Reservoir.
1100
Comment
JEPS113855
Juncus howellii
Lowell Ahart
2007-7-2
14245
Butte
North road gutter, Bald Rock Road, about 100 yards northeast of the intersection of Bald Rock Road and Rockerfeller Road, about 13 miles (air) northeast of Oroville
762
Comment
CDA39192
Juncus howellii
T. C. Fuller
1962-7-12
9200
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
CHSC41441
Juncus leiospermus var. ahartii
Lowell Ahart
1986-4-22
5245
Butte
Along the sides and on the bottom of small vernal pools, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC27049
Juncus leiospermus var. leiospermus
Lowell Ahart
1978-4-17
1644
Butte
Table Mountain, 6 mi n of Oroville. On the bottom of a small vernal pool. The pool is on top of Table Mountain where it is open and where people park their cars to look at the flowers. The park area is the largest on the top of the mountain.
400
Comment
CHSC93494
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12603
Butte
Margins of a vernal pool where there is basalt shelfing, about 1 1/2 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
327
Comment
HSC100809
Juncus leiospermus var. leiospermus
Lowell Ahart
2010-5-22
16726
Butte
~100 yd. E of Cherokee Rd., ~200 yd. NE of parking area, North Table Mountain, 4.5 (air) mi. NE of Oroville.
386
Comment
JEPS122233
Juncus leiospermus var. leiospermus
Lowell Ahart
2014-4-20
19392
Butte
About 1 1/8 miles northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
Comment
POM219308
Juncus mexicanus
H. F. Copeland
1931-6-11
1514
Butte
Jonesville, Butte Creek Meadows
1829
Comment
CHSC41288
Juncus nevadensis
S. C. Morey
1983-7-21
495
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC30512
Juncus occidentalis
J. D. Jokerst
1980-3-23
492
Butte
100 m W of Hwy 70 at the S end of the bridge over West Branch Feather River.
Comment
JEPS103511
Juncus occidentalis
Lowell Ahart
2002-6-21
9740
Butte
On the sides of a poor dirt road, Watson Ridge, ca 2 miles (air) NE of Bald Rock Dome, ca 5 miles (air) N of Feather Falls (the town).
1086
Comment
JEPS118343
Juncus orthophyllus
Lowell Ahart
2011-8-19
17634
Butte
On the north edge of a good forest road, on the west edge of Know-northing Creek, about 150 yards north of Lumpkin Ridge Road, about 1/2 mile southwest of the intersection of Lumpkin Ridge Road, County Road and road to Cascade, about 5 miles (air) northeast of Feather Falls
1225
Comment
UC600811
Juncus orthophyllus
H. F. Copeland
1930-7-28
1371
Butte
near Butte Creek House (Government Trail, neighborhood of Jonesville); Jonesville
1828
Comment
POM110898
Juncus oxymeris
C. C. Bruce, J. Bruce
1897-05
1884
Butte
Chico ion Humboldt road
Comment
JEPS113768
Juncus patens
Lowell Ahart
2007-7-15
14305
Butte
Along the east side of Encina Grande Road (Bloomer Hill Road), about 20 yards southeast of the home, about 1/4 miles (air) southwest of Bloomer Hill
808
Comment
JEPS113860
Juncus tenuis
Lowell Ahart
2007-7-11
14293
Butte
About 100 yards west of the high gravel road (at turn, before washout), about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville
35
Comment
JEPS94063
Juncus tenuis
Lowell Ahart
1998-6-3
7963
Butte
ca. 7 mi. (air) n. Oroville (n.w. of the lone tree, n.w. of the cow chute along Cherokee Rd., North Table Mt.); North Table Mt.
403
Comment
CHSC96889
Juncus triformis
Lowell Ahart
2007-6-12
14062
Butte
Along swales, west of a high ridge on Big Bald Rock, about 14 miles (air) northeast of Oroville.
972
Comment
RSA0080124
Juncus triformis
Lowell Ahart
2011-7-9
17563
Butte
About 1/4 mile east of Little Bald Rock, about 2 miles (air) northeast of Oroville.
1009
Comment
JEPS121377
Juncus trilocularis
Peter F. Zika
2011-7-6
25540
Butte
above Oroville-Qunicy Highway, 0.8 road miles S of Stevens Ridge Road, 2.5 air miles NE of Wild Yankee Hill
Comment
CHSC59019
Juncus usitatus
Lowell Ahart
1992-7-23
6828
Butte
On the north side of the Thermalito Diversion Pool, near Longs Bar Monument, Lake Oroville Recreation Area, about 2 miles west of Oroville Dam.
76
Comment
CHSC97112
Juncus usitatus
Lowell Ahart
2007-7-31
14401
Butte
Along a drain ditch, on the north side of Highway 162, at the intersection of Highway 162 and Wickman Road, about 3 miles (air) southwest of Richvale.
26
Comment
JEPS113747
Juncus usitatus
Lowell Ahart
2007-7-11
14291
Butte
About 100 yards west of the high gravel road (at turn, before washout), about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville
35
Comment
JEPS113763
Juncus usitatus
Lowell Ahart
2007-7-31
14401
Butte
Along a drain ditch, on the north side of Highway 162, at the intersection of Highway 162 and Wickman Road, about 3 miles (air) southwest of Richvale
26
Comment
JEPS113744
Juncus usitatus
Lowell Ahart
2007-7-5
14250
Butte
S side of a drainage ditch, N side of Evans Reimer Road, about 1 1/4 mi E of Pennington Road, about 4 3/4 mi (air) SW of Gridley
22
Comment
CHSC45224
Juniperus californica
Lowell Ahart
1983-4-10
3922
Butte
About 1 1/2 miles north-east of Highway 99 and Pentz Road.
91
Comment
POM14660
Keckiella breviflora subsp. glabrisepala
A. A. Heller, H. E. Brown
1902-5-6
5471
Butte
Berry Canyon (near Clear Creek).
Comment
SEINET10547830
Keckiella breviflora subsp. glabrisepala
Mary Susan Taylor
1980-6-14
Taylor 2883
Butte
On W side of Oroville-Quincy Hwy, ca. 1 mi (2 mi by car) N of Bidwell Bar Bridge over the S fork of Feather River, ca. 7 mi S of Lake Madrone.
457
Comment
JEPS103604
Kickxia elatine
Lowell Ahart
2002-10-17
9993
Butte
On the gentle hills below the high water line of Lake Oroville, ca 1 1/2 miles S of Highway 162 (Oroville Quincy Highway), ca 3 miles (air) NE of Oroville Dam.
227
Comment
CDA2213
Koeleria gerardi
Sterling O. Mattoon
1971-4-27
Butte
6.9 miles east of Chico.
0
Comment
CHSC6160
Koeleria phleoides
E. Parreno
1968-4-15
55
Butte
NE of Municipal Golf Course in top on slope of ridge area in Upper Bidwell Park, Chico.
Comment
CHSC48823
Kumlienia hystricula
Vernon Oswald
1985-4-1
1692
Butte
Oroville-Quincy Rd. 0.8 mi s of Canyon Creek Bridge. On the edge of an intermittent stream.
Comment
JEPS107554
Kyllinga brevifolia
Lowell Ahart
2005-8-14
12332
Butte
Edge of ponds, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo
28
Comment
CHSC102741
Lactuca saligna
Lowell Ahart
2009-8-3
16254
Butte
On the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 miles (air) west of Highway 32, about 10 miles northeast of Chico.
236
Comment
SEINET10971245
Lactuca serriola
Mary Susan Taylor
1979-11-11
Taylor 2283
Butte
T20 N R1E. Ca. 6 mi S of Chico, on W side of Goodspeed-Watt Road. With Jim Jokerst.
34
Comment
CHSC105204
Laennecia coulteri
K. R. Stern
1972-9-19
3785
Butte
Vic. Eddy Lake, Llano Seco Rancho, ca. 10 mi sw of Chico.
Comment
CAS-BOT-BC341301
Lagophylla glandulosa
David D. Keck
1932-7-2
1611
Butte
6 miles NE. of Oroville. (On road to Quincy)
250
Comment
CAS-BOT-BC341305
Lagophylla glandulosa
H. M. Hall
1914-8-1
9829
Butte
Foothills near Bidwell Bar, (Mt. Ida)
Comment
CHSC746
Lamium amplexicaule
M. Davidson
1929-3-21
Butte
Foothill field.
54
Comment
CHSC7100
Lasthenia californica
Nancy Wiseman
1969-4-17
Butte
50 yds n of Skyway ca. 1 mi e of Chico.
Comment
SD8904
Lasthenia californica
Mrs. R. M. Austin
1883-1
Butte
Comment
SEINET10473882
Lasthenia californica
Mary Susan Taylor
1980-3-1
Taylor 2352
Butte
T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise.
302
Comment
UCSB63629
Lasthenia chrysostoma
Richard Ernenwein
1995-10-23
135
Butte
collected 2.3 mi E, along the S-side of Humboldt Road, E of Chico U S Highway 99 - Humboldt Road, , and Chico
Comment
CHSC23466
Lasthenia fremontii
J. R. Lee
1974-4-22
3
Butte
At edge of pond 1.6 mi e of Chico city limits on the Skyway. The pond was 10 yds n of the roadside.
76
Comment
SEINET10475348
Lasthenia fremontii
Mary Susan Taylor
1980-3-28
Taylor 2400
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
SEINET10971150
Lasthenia fremontii
Mary Susan Taylor
1974-4-24
Taylor 188
Butte
Junction of Broyles Road and Hwy 99, ca. 9 mi N of Chico. Valley Grassland.
61
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
CHSC8120
Lasthenia platycarpha
M. Banning
1969-3-28
26
Butte
12 mi. N. Chico on Hwy 99.
76
Comment
SEINET10871171
Lathyrus
Mary Susan Taylor
1981-5-22
Taylor 3800
Butte
T23N R5E sw/se sec 29, Pulga quad. Open grassy areas around a landing, ridge N of Flea Valley Creek drainage and above Pulga, ca. 5 air mi E of Magalia. 3300 ft.
1006
Comment
SD129664
Lathyrus angulatus
Barbara Ertter, Lowell Ahart
1986-4-13
5887
Butte
Ca. 2 airmiles NNE of Honcut between Oroville & Marysville, Peter Ahart Ranch (mostly used as sheep pasture)
29
Comment
CHSC112690
Lathyrus latifolius
Lowell Ahart
2013-7-1
18814
Butte
Meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
737
Comment
CHSC860
Lathyrus nevadensis
L. Nelson
1935-4-27
Butte
Deer Creek Canyon.
914
Comment
CAS-BOT-BC213287
Lathyrus sulphureus
Lowell Ahart
1983-5-13
3989
Butte
On the high banks of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut
50
Comment
CHSC96809
Lathyrus sulphureus
Lowell Ahart
2007-4-30
13708
Butte
On the west side of Jordan Hill Road, about 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir.
484
Comment
CHSC20054
Layia fremontii
M. S. Taylor
1975-4-18
489
Butte
Around vernal pool, 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
CAS-BOT-BC321753
Layia fremontii
A. A. Heller
1914-3-28
11235
Butte
Hills 8 miles N of Oroville
Comment
UC179643
Layia platyglossa
A. A. Heller
1914-4-29
11331
Butte
12 mi n of Chico
Comment
CAS-BOT-BC274354
Leersia oryzoides
Lowell Ahart
1987-7-3
5777
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CDA42868
Leontodon saxatilis subsp. longirostris
L. Ahart
2012-5-14
18054
Butte
North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico.
Comment
CHSC29836
Lepechinia calycina
M. S. Taylor; R. S. Schlising, L. Ahart
1980-5-31
2768
Butte
W side of Kunkle Reservoir, ca. 100 ft e of Pentz-Magalia Hwy, ca. 3 mi s of Paradise.
441
Comment
UC215491
Lepechinia calycina
Helen M. Edwards
Jun 1917
Butte
De Sabla
Comment
SEINET10498876
Lepechinia calycina
Mary Susan Taylor
1980-5-31
Taylor 2768
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
CHSC35764
Lepidium appelianum
R. A. Schlising; J. D. Jokerst
1982-6-4
4287
Butte
N of Oroville and n of Jarbo Gap along Hwy 70 above Feather River Canyon. Roadside.
Comment
JEPS87615
Lepidium latifolium
Lowell Ahart
1994-9-26
7548
Butte
about 1.5 mi n and 1 mi e Honcut (about 12 mi s of Oroville, Peter Ahart Ranch); Peter Ahart Ranch
36
Comment
CAS-BOT-BC89880
Lepidium nitidum
A. A. Heller
1919-3-29
13096
Butte
Cherokee mine.
Comment
SEINET11986394
Lepidium nitidum
B. K. Madsen
1970-1
17
Butte
along Wildwood Ave., ca 0.5 mi E of intersection of Wildwood Ave & Manzanita Ave, Upper Bidwell Park
85
Comment
CHSC101082
Lepidium nitidum var. nitidum
Lowell Ahart; John Dittes
2009-3-20
15506
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CHSC38421
Lepidium nitidum var. nitidum
Vernon Oswald
1983-2-9
66
Butte
Upper Bidwell Park, Chico, near the Rod and Gun Clubhouse at Horseshoe Lake.
103
Comment
UCR237305
Lepidium nitidum var. nitidum
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18756
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
CAS-BOT-BC12845
Lepidium pinnatifidum
Lowell Ahart
1982-7-10
3664
Butte
Gray Lodge check in station, about 12 miles southwest of Gridley. Parking area.
35
Comment
UC1594675
Lepidium strictum
Lowell Ahart
1992-3-28
6741
Butte
near s side Oroville Dam spillway (on the top of Oroville Dam); Oroville Dam
274
Comment
UC569494
Leptochloa fascicularis
H. S. Yates
1936-8-14
6121
Butte
3 mi nnw Nelson; Chico Quadrangle
30
Comment
CHSC92505
Leptochloa fusca subsp. uninervia
Lowell Ahart
2005-12-11
12517
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
CHSC32132
Leptosiphon androsaceus
L. Ahart
1976-4-7
1036
Butte
Hillside near the edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC92564
Leptosiphon bicolor
L. P. Janeway
2005-3-10
8353
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Road 1.8 km northeast of Bruce Road.
134
Comment
POM219377
Leptosiphon ciliatus
H. F. Copeland
1931-6-11
1530
Butte
Jonesville, Woods above Butte creek meadows.
1829
Comment
CHSC46222
Leptosiphon filipes
Pauleen Broyles
1987-6-19
1057
Butte
Ca 13 km ne of Oroville. Ca 1.6 km s of Crystal Hill between middle and south forks of Feather River on Lake Oroville.
360
Comment
CHSC85684
Leptosiphon filipes
G. F. Hrusa; T. D. Wilfred
1996-7-9
13171
Butte
Sierra Nevada--Plumas National Forest. On roadsides. Approx. 1 m. on 22N89 amd 22N12x. Immed. S of Rogers Cow Camp on Hwy 162. [Lat./Long. on label is '39 degrees 45' N; 121 degrees 18' W'].
1100
Comment
RSA31647
Leptosiphon filipes
A. A. Heller
1938-4-11
15023 -a
Butte
Stony hill near the Rifle Range eas[t] of Chico
Comment
CHSC29819
Leptosiphon parviflorus
M. S. Taylor
1980-4-16
2490
Butte
Lake Oroville State Recreation Area, ca. 1/2 mi se of Parish Camp just south of Lime Saddle Memorial Park, ca. 5 mi s of Paradise.
304
Comment
UCSC009430
Leptosiphon parviflorus
Lowell Ahart
2015-4-13
20041
Butte
Road cut on the east side of Vinton Gulch Road, about 9 1/2 miles (air) north of Oroville
308
Comment
CAS-BOT-BC341784
Lessingia nemaclada
John Thomas Howell
1959-9-26
35084
Butte
Arch Rock, North Fork Feather River
457
Comment
CDA34757
Lessingia nemaclada
L. Ahart
2009-6-3
15965
Butte
About 150 yards north of a small drainage, along the Guardian Rock Trail, about 150 yards southwest of Pine Trail, about 1/2 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico.
Comment
CHSC110236
Lessingia nemaclada
L. P. Janeway
2012-10-11
11072
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
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
CDA8197
Lessingia nemaclada var. mendocina
T. C. Fuller
1958-7-7
1913
Butte
1 mile north of Pulga Station.
0
Comment
UC1287454
Lessingia virgata
Willard Spence
1962-7-24
731
Butte
along alternate Rt. 40 4 mi s Oroville
Comment
CAS-BOT-BC334597
Leucanthemum vulgare
Lowell Ahart
1987-5-27
5692
Butte
Along the North Fork of teh Feather River near the Poe Power House about 2 miles south-east of Jarbo Gap
271
Comment
CHSC3864
Leucojum aestivum
Gary Dutton
1966-3-16
121
Butte
C. S. C., N. E. of science bld. Along Chico Creek.
Comment
SEINET12332637
Leucophysalis nana
L. P. Janeway, Schlising, R. A.
1988-1
2918
Butte
just NW of Summit Lake
1951
Comment
CHSC43877
Leucothoe davisiae
L. P. Janeway
1987-6-27
2361
Butte
E slope of Bald Mtn, along the Concow Road.
1694
Comment
SEINET10572648
Lewisia cantelovii
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5521
Butte
At Butte-Plumas County line on Hwy 70, on large granitic outcrop.
Comment
CHSC6594
Lewisia rediviva
G. Nielsen
1968-4-20
Butte
On Table Mt. 5 mi s of Cherokee on rd. over Table Mr.
609
Comment
SEINET10863158
Lewisia triphylla
Mary Susan Taylor
1976-5-3
Taylor 1103
Butte
On Big Bald Rock, ca. 1/4 mi W of Bald Rock Rd, ca. 3 mi E of Lake Madrone, ca. 13 mi NE of Oroville; granite dome; with Calocedrus decurrens, Pinus ponderosa.
998
Comment
CHSC71627
Ligusticum californicum
Vernon H. Oswald; Lowell Ahart
1998-8-11
9472
Butte
Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees.
1578
Comment
CHSC42589
Ligusticum grayi
Vernon Oswald
1985-8-28
1932
Butte
Scotts John Rd. 0.2 mi n of the road connecting Humboldt and Humbug Rds.
1780
Comment
CHSC106058
Ligustrum lucidum
Lowell Ahart; Susan Mason, Josephine Guardino
2010-8-6
17041
Butte
Golf Course, about 20 yards west of the club house, Upper Bidwell Park, about one mile east of the east edge of Chico.
89
Comment
JEPS117406
Lilaea scilloides
Lowell Ahart
2010-5-16
16683
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
375
Comment
CAS-BOT-BC130567
Lilium humboldtii
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC509329
Lilium kelleyanum
E. B. Copeland
1930-7-18
614
Butte
Jonesville
1500
Comment
CHSC2293
Lilium pardalinum subsp. pardalinum
E. Walker
1932-6-26
Butte
Magalia.
731
Comment
CHSC46236
Lilium pardalinum subsp. pardalinum
Pauleen Broyles
1987-7-5
1073
Butte
Ca 7 km n of Inskip, ca 0.4 km s of Bull Hill Rd., along Coon Creek.
1500
Comment
CHSC27913
Lilium pardalinum subsp. shastense
M. S. Taylor
1978-7-19
1735
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
CHSC24949
Limnanthes alba
V. L. Keeran
1976-4-21
9
Butte
Ca. 115 m e of Cohasset Road and 1.15 km sw of Cohasset.
400
Comment
SEINET10495210
Limnanthes alba
Mary Susan Taylor
1978-5-7
Taylor 1600
Butte
In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland.
30
Comment
HSC97149
Limnanthes alba subsp. alba
T. W. Henrich
2004-4-12
Butte
'Meghdadi Property' in SE Chico, ca. 0.5 km N of Doe Mill Rd., ca. 0.5 km E of S end of Potter Rd., and 0.25 km W of old stone fence.
Comment
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
CHSC2388
Limnanthes alba subsp. versicolor
R. Carter
1965-4-12
178
Butte
Found 7.5 mi. E of Oroville, 20 yds. from gate at end of Feathervale on N side of road.
274
Comment
CHSC93480
Limnanthes douglasii subsp. nivea
Lowell Ahart
2006-4-28
12542
Butte
Along a small stream, south part of drainage into Beatson Hollow, west of the dirt road, about 1/4 mile northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
320
Comment
CHSC62831
Limnanthes douglasii subsp. rosea
Ella Icard
1893-4-1
Butte
Comment
HSC87204
Limnanthes douglasii subsp. rosea
R. J. Radzavage
1979-4-17
15
Butte
Jct. Hwy. 99E and Boyles Rd., ca. 11 mi. N of Chico
61
Comment
CHSC48594
Limnanthes floccosa subsp. californica
Vernon Oswald
1984-3-24
1104
Butte
Chico Municipal Airport, ca. 200 ft n-e of the e end of Piper Ave.
82
Comment
CHSC55507
Limnanthes floccosa subsp. californica
Pat Kelly
1991-3-31
Butte
Arroyo Chico.' On the north side of the southern branch of Sycamore Creek opposite the mouth of the Diversion Channel.
74
Comment
UC1397276
Limnanthes floccosa subsp. californica
T. Niehaus
1965-3-28
371
Butte
Table Mountains
Comment
UC1748332
Limnanthes floccosa subsp. californica
James D. Jokerst
1991-4-18
3241
Butte
N of Hwy. 32 across from church
76
Comment
CHSC32591
Limnanthes floccosa subsp. floccosa
J. D. Jokerst
1981-3-21
1257
Butte
Initial slopes delineating the beginning of the foothills, ca. 0.5 mi N of Horseshoe Lake.
Comment
CHSC55505
Limnanthes floccosa subsp. floccosa
Pat Kelly
1991-3-31
Butte
Arroyo Chico.' Along the southern branch of Sycamore Creek, from a few hundred feet east of the mouth of the Diversion Channel eastward to the power lines (ca 0.8 mi long).
82
Comment
SEINET10964491
Limosella
Mary Susan Taylor
1980-5-31
Taylor 2764
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
JEPS123907
Limosella acaulis
Lowell Ahart
2015-4-24
20068
Butte
About 3/4 mile north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
Comment
SEINET10496786
Linanthus bakeri
Mary Susan Taylor
1980-5-31
Taylor 2760
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
UC1377648
Linanthus bicolor
John Ingram and Arlynn Ingram
1960-4-5
294
Butte
about 2 mi s Paradise (along Neal Road)
Comment
UC133948
Linanthus pygmaeus
Mrs. R. M. Austin
Mar 1896
168
Butte
e of Chico
Comment
SEINET10569965
Lindernia anagallidea
Mary Susan Taylor
1978-7-22
Taylor 1845
Butte
Ca. 20 ft E of the Midway, ca. 7 mi S of Durham, S of Chico, in rice field.
30
Comment
CHSC97400
Lindernia dubia var. anagallidea
Robert Fischer
2006-6-18
1006
Butte
Chico. Within upper Bidwell Park in the City of Chico.
60
Comment
CHSC48015
Linnaea borealis var. longiflora
Vernon Oswald
1985-6-17
1845
Butte
Quartz Creek' Rd., 0.4 mi S of Fall River, ca. 6 air miles NE of Feather Falls.
1066
Comment
CHSC31954
Lipocarpha aristulata
J. D. Jokerst; R. A. Schlising
1980-7-2
926
Butte
Adjacent to Garland Rd. 1.3 mi SE of Hwy 32 (ca. 4 airline miles NNE of Forest Ranch).
Comment
CHSC65525
Listera convallarioides
L. P. Janeway
1995-8-5
4890
Butte
Along West Branch Feather River about 0.1 mi above Snag Lake.
1725
Comment
CHSC2456
Lithophragma parviflorum var. parviflorum
R. Carter
1965-3-13
161
Butte
Found on North Table Mt. ca. 45 yds. SE of point where old Cherokee Rd. comes over rim of table at base of lava cliffs.
304
Comment
CHSC7108
Lithophragma parviflorum var. trifoliatum
James M. Watson
1969-3-31
4
Butte
4.3 mi e of upper Bidwell Park entrance 100 yds. s of road at edge of canyon.
213
Comment
CHSC29287
Lithospermum californicum
R. A. Schlising
1980-5-23
3597
Butte
N of Lake Oroville State Rec. Area in Lassen Nat. Forest, 3.5 mi e junction Hwy 70 and Big Bend Road and from here, at community of Big Bend, 1.0 mi s; roadside.
Comment
JEPS102332
Lobularia maritima
Lowell Ahart
2001-4-15
8722
Butte
4 air miles SW of Gridley (N side of the dirt road E of the large pump, S side of Evans-Reimer Road, 1 mi E of Pennington Road, Gray Lodge Waterfowl Management Area)
22
Comment
CHSC38349
Logfia filaginoides
Vernon Oswald
1983-4-18
336
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Base of ridge along rim of a volcanic cap.
353
Comment
CHSC102424
Logfia gallica
Lowell Ahart
2009-5-30
15809
Butte
On dry rocky soil, on the west side of Guardian's Trail, about 100 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) west of the intersection of Highway 32 and Ten Mile House Road.
440
Comment
CAS-BOT-BC283388
Lolium multiflorum
Lowell Ahart
1981-5-24
2834
Butte
Peter Ahart Ranch, ca 2 miles N and 2 miles E of Honcut
50
Comment
CHSC101799
Lolium multiflorum
Lowell Ahart
2009-5-8
15669
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
CHSC107077
Lolium multiflorum
V. Lockie
2010-3-2
Butte
Upper Bidwell Park. Found near the Horseshoe Lake area.
103
Comment
CHSC4300
Lolium multiflorum
V. Hagaman
1966-4-27
Butte
Chico State Campus.
Comment
JEPS88228
Lolium multiflorum
Vernon H. Oswald and Lowell Ahart
1996-6-10
7734
Butte
U.S. Fish and Wildlife Service parcel btw 7 Mile Lane and Sacramento River (bank of river at n end of Riparian Sanctuary, Sacramento River Nat'l Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge
28
Comment
CAS-BOT-BC271210
Lolium temulentum
John Thomas Howell
1963-6-2
39383
Butte
Along highway near Pulga, Sierra Nevada
Comment
JEPS119608
Lomatium dasycarpum subsp. tomentosum
Lowell Ahart
2012-4-9
17833
Butte
West of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
Comment
SEINET10454776
Lomatium humile
Mary Susan Taylor
1979-5-6
Taylor 1992 A
Butte
Peter & Lowel Ahart Ranch, Honcut; Valley Grassland.
Comment
UCD150864
Lomatium marginatum var. marginatum
W. R. Powell
1968-5-17
1508
Butte
Along new Oro-Feather Road, 4 miles north-northwest of Rackerby.
548
Comment
UC1212523
Lomatium nevadense var. parishii
E. B. Copeland
1930-6-27
Butte
vicinity of Jonesville; Lassen National Forest
1500
Comment
CHSC29999
Lomatium utriculatum
L. Ahart
1980-4-21
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC33347
Lomatium utriculatum
Laurel L. Huey
1980-4-21
4
Butte
Ca. 80 m se of Butte Creek at Covered Bridge.
125
Comment
CHSC48017
Lonicera hispidula
Vernon Oswald; M. S. Taylor
1985-5-30
1790
Butte
Four Trees Rd. 0.5 mi E of Hwy 70.
536
Comment
CHSC88995
Lonicera involucrata
H. Gray
1999-6-4
Butte
Plumas National Forest. Swamp off Zink Road.
731
Comment
CHSC73410
Lonicera involucrata var. involucrata
B. Castro; L. Gehrung
1995-6-20
578
Butte
Ca 4 air mi NE of Feather Falls towards northeastern end of Watson Ridge, in moist N-trending ravine (within Mixed Conifer forest) S of sharp bend in USFS Rd 22N24.
1173
Comment
SEINET10970288
Lotus
Mary Susan Taylor
1977-6-25
Taylor 1368
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
JEPS87385
Lotus crassifolius var. crassifolius
Lowell Ahart
1993-7-29
7126
Butte
about 2.5 mi ne Bald Mountain (about .12 mi nw of Snow Mine, about 6.5 mi ne of Stirling City)
1676
Comment
UC1609419
Lotus crassifolius var. crassifolius
Lowell Ahart
1993-7-29
7126
Butte
about 2.5 mi ne Bald Mountain (about .12 mi nw of Snow Mine, about 6.5 mi ne of Stirling City)
1676
Comment
RSA719534
Lotus denticulatus
Michael A. Vincent, K. Levings, Karl Vincent
2006-7-29
12877
Butte
East of Chico along Route 32.
Comment
UC726261
Lotus denticulatus
A. A. Heller
1940-5-13
15616
Butte
3 mi w Chico (along State Highway 32)
Comment
SEINET10973161
Lotus grandiflorus var. macranthus
Mary Susan Taylor
1981-5-4
Taylor 3593
Butte
T21N R5E ne/se sec 24, Brush Creek quad. Ca. 1/8 mi SW of 2lN80, S side of spur rd near plantation, ridge S of Galen Ridge, ca. 3 mi SW of Brush Creek. Yellow Pine Forest; 3000 ft.
914
Comment
CDA34221
Lotus micranthus
L. Ahart
2010-6-9
16778
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
SEINET3729652
Lotus scoparius
A. A. Heller
1923-6-9
13741
Butte
Oroville
Comment
UC1594550
Lotus scoparius
Lowell Ahart
1992-5-9
6763
Butte
about 2 air mi n Oroville (on the n side of the Thermalito Diversion Pool); Lake Oroville Recreation Area
76
Comment
SEINET2062321
Lotus unifoliolatus
Marc Mittleman
1980-8-1
225
Butte
L:ittle Chico Creek, adjacent to China Garden Springs.
262
Comment
CHSC112875
Ludwigia decurrens
Evan Padgett
2014-8-20
Butte
Sacramento Valley. Agricultural fields between Richvale and Highway 162, east of Midway, next to rice fields.
26
Comment
SD58289
Ludwigia palustris
W. L. Jepson
1939-8-17
19457
Butte
Feather River bottom, near Oroville,
46
Comment
JEPS98531
Ludwigia peploides subsp. montevidensis
Lowell Ahart
2000-7-18
8601
Butte
On the margins of a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
42
Comment
UC726545
Lupinus
A. A. Heller
1942-6-5
16497
Butte
about halfway between the junction Middle Fork and West Branch of the Feather River Highway; halfway bet jct of Middle Fork and West Branch Feather River
Comment
POM24982
Lupinus albifrons var. eminens
C. C. Bruce
1897-05
2027
Butte
Little Chico.
Comment
JEPS108562
Lupinus andersonii
L. P. Janeway, Matt Brown, B. Castro, Samantha Mackey Hillaire
2005-6-21
8427
Butte
Northern High Sierra Nevada. Plumas National Forest; top of ridge between Lockerman Creek and Cedar Creek, 1.4 km northeast of confluence of Lockerman and Camp Creeks
1201
Comment
CHSC90190
Lupinus bicolor
Jody Henderson
1989-4-25
5
Butte
100 yds. n of Rock Creek, 6 mi. n of Chico, Hwy 99 n to Meridian to Kilkare Ln., 100 yds. s of Kilkare Ln.
72
Comment
UC204553
Lupinus bicolor
A. A. Heller
1914-3-13
11198
Butte
near the western base Table Mountain (hills eight mi n of Oroville); near western base of Table Mountain
Comment
UC725527
Lupinus bicolor
A. A. Heller
1939-4-10
15376
Butte
Lower part of the Chhasset road near the foot of the grade near Rock Creek.
Comment
UC726014
Lupinus bicolor
A. A. Heller
1940-4-28
15562
Butte
opposite the golf links e Chico; e of Chico
Comment
CDA27415
Lupinus bicolor
T. C. Fuller
1958-4-15
5006
Butte
Highway 99E, 10 miles northwest of Chico.
0
Comment
SEINET10484925
Lupinus bicolor subsp. tridentatus
Frediani
1981-3-24
FREDIANI 2
Butte
Petals bluish with white banner. N side of butte creek, 6.2 mi. E of hwy 99 and skyway inerchange; ca. 2 Mi. Se Of chico. A foothill woodland.
107
Comment
CHSC36838
Lupinus latifolius var. columbianus
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
UC1609313
Lupinus lepidus var. sellulus
Lowell Ahart
1993-6-26
7042
Butte
about 1/4 mi n Jackass Flat (Mooreville Ridge, about 1 1/4 mi (air) nw of Lost Creek Reservoir); Mooreville Ridge, nw of Lost Creek Reservoir
1188
Comment
UC726764
Lupinus microcarpus var. microcarpus
A. A. Heller
1940-5-13
15618
Butte
three mi w Chico; w of Chico
Comment
UCD109079
Lupinus nanus
P. B. Kennedy
1914-5-8
4764
Butte
Grade to Paradise.
Comment
RSA424768
Lupinus nanus var. apricus
Aaron Liston, M. Blumler
1987-4-24
658 -6
Butte
Table Mountain, N of Oroville on Cherokee Road.
Comment
CHSC103726
Lupinus nanus var. vallicola
Lowell Ahart
2010-5-16
16679
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
378
Comment
UC865362
Lupinus pachylobus
A. A. Heller
1938-4-23
15048
Butte
on the Feather River Highway between the Las Plumas Road and summit; on the Feather River Highway
Comment
JEPS121988
Lupinus polyphyllus var. burkei
Lowell Ahart
2014-7-2
19536
Butte
On the south side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
Comment
SBBG128005
Lupinus polyphyllus var. burkei
L. Ahart
2010-9-21
17205
Butte
ca. 70 yards E of the poor dirt rd, ca. 80 yards W of Big Kimshew Crk, ca. 1.5 mi NE of Jones Meadow, ca. 2.5 mi SE of Philbrook Reservoir
1917
Comment
POM118225
Lupinus sellulus var. lobbii
H. M. Hall
1912-7-24
320
Butte
Middle Fork of Feather River.
1280
Comment
CHSC32605
Lupinus succulentus
J. D. Jokerst
1981-3-28
1270
Butte
Butte College Campus along entrance in the vicinity of the eastern-most parking lot.
Comment
CAS-BOT-BC436645
Luzula comosa var. laxa
H. F. Copeland
1929-6-11
1244
Butte
Jonesville
1524
Comment
CHSC41445
Luzula comosa var. laxa
Lowell Ahart
1986-7-2
5341
Butte
In a small meadow, north of the dirt road, 1/2 mile southwest of Bald Mountain, about 4 1/2 miles northeast of Stirling City.
1615
Comment
CHSC109082
Luzula macrantha
Lowell Ahart
2012-4-9
17823
Butte
Along South Rim Trail, about 30 yards east of Big Chico Creek, south part of Upper Bidwell Park, about 1/2 mile east of the power lines, about 1 1/2 miles (air) northeast of Chico.
96
Comment
CHSC115290
Luzula macrantha
Lowell Ahart
2015-4-27
20085
Butte
On both sides 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
CHSC31908
Luzula macrantha
L. Ahart
1975-3-18
709
Butte
Along edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC94067
Luzula macrantha
R. Fischer
2005-3-9
745
Butte
Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico off 10 Mile House Road in Bidwell Park. Collection made at bottom of trail near Big Chico Creek from the grassy edge of the riparian zone.
219
Comment
CHSC84175
Lychnis coronaria
Lowell Ahart
2003-7-12
10374
Butte
On both sides of Milsap Bar Road, about 1/8 mile south of the bridge across the North Fork of the Feather River, about 4 miles (air) northeast of the Brush Creek Work Center, about 20 miles (air) northeast of Oroville.
997
Comment
CHSC99480
Lychnis coronaria
Lowell Ahart
2008-6-13
14826
Butte
Banks of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville.
305
Comment
CHSC51367
Lycopus americanus
Vernon Oswald
1990-8-14
4435
Butte
Kunkle Reservoir on the east side of Pentz-Magalia Hwy south of Paradise. Along the edge of the reservoir on the north side of the dam.
441
Comment
CHSC66163
Lythrum tribracteatum
Vernon H. Oswald; Lowell Ahart
1996-5-27
7654
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
33
Comment
JEPS120854
Lythrum tribracteatum
Lowell Ahart
2013-6-18
18806
Butte
About 60 yards E of Parking Lot 14, Gray Lodge Wildlife Management Area, about 7 air miles SW of Gridley.
Comment
JEPS120857
Lythrum tribracteatum
Lowell Ahart
2013-6-18
18809
Butte
About 30 yards north of Lower Honcut Road, about 1.75 miles west of Honcut.
Comment
JEPS88568
Lythrum tribracteatum
Vernon H. Oswald and Lowell Ahart
1996-5-27
7654
Butte
U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (at s end of Tract 2, Sancturary II, Llano Seco Unit of Sacramento R. National Wildlife Refuge); Sacramento River National Wildlife Refuge, Llano Seco Unit
33
Comment
CHSC31886
Maclura pomifera
L. Ahart
1976-5-21
1114
Butte
Along edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC342641
Madia citrigracilis
Bruce G. Baldwin; Vern Oswald
1988-6-16
716
Butte
Near Pulga, along Camp Creek Road
512
Comment
CAS-BOT-BC342726
Madia elegans
H. M. Hall
1914-7-18
9758
Butte
Chico Creek, 5 mi. E. of Chico
Comment
CHSC109772
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.
68
Comment
RSA0060842
Madia elegans subsp. densifolia
Lowell A. Ahart
2012-10-28
18535
Butte
On the north side of the paved park road, west of Table 27, north of Cedar Grove, Lower Bidwell Park, Chico.
69
Comment
CHSC62529
Madia elegans subsp. elegans
B. Castro; J. Jurewicz
1993-7-13
481
Butte
Ca 3 mi NW of Brush Creek, along USFS Rd 22N34 as it parallels French Creek, ca 1 mi SW of the low-water crossing at confluence of French and Peavine Creeks.
615
Comment
CHSC43621
Madia exigua
Vernon Oswald
1984-5-23
1200
Butte
Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area.
487
Comment
CHSC96217
Madia exigua
R. Fischer
2006-5-30
981
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east -side addition along Hwy. 32. Plants growing along Guardian Trail at the junction of Pine Trail and adjacent a seasonal stream.
396
Comment
CHSC86135
Madia gracilis
John Dittes; Josephine Guardino
2002-6-21
618
Butte
Northern High Sierra Nevada Range; Watson Ridge; ca. 1.2 air-miles east of Middle Fork Feather River, ca. 1.7 air-mile north by northwest of Feather Falls Overlook, ca. 5.4 air-miles west by southwest of Cascade.
1133
Comment
CHSC97015
Madia gracilis
L. P. Janeway
2007-7-9
9109
Butte
Northern High Sierra Nevada. Plumas National Forest; near Road 21N25 in the southeastern corner of Watson Ridge, 1.0 km north-northeast of the mouth of Kenebeck Creek at Fall River and Nelsons Crossing.
1128
Comment
CAS-BOT-BC342954
Madia gracilis
C. R. Quick
1945-7-17
45 -56
Butte
Big Bar Mt. Plumas N. F.
Comment
UCD135708
Madia gracilis
Bruce G. Baldwin; Vern Oswald
1988-6-16
716
Butte
near Pulga, along Camp Creek Road.
512
Comment
CHSC43625
Madia subspicata
Vernon Oswald
1985-5-1
1736
Butte
Upper Bidwell Park, Chico, along Yahi Trail just e of Parking Area R.
228
Comment
RSA715563
Madia subspicata
L. Ahart
2005-5-7
11788
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 1.25 miles north and 2.75 miles east of Honcut, about 12 miles (air) southeast of Oroville
48
Comment
SEINET4173697
Madronella sheltonii
A. A. Heller
1923-6-9
13742
Butte
Oroville
Comment
SBBG128805
Malacothrix floccifera
L. Ahart, J. Dittes, J. Guardino
2013-4-26
18627
Butte
rocky serpentine outcrop on N side of St Hwy 20, just E of Lake County Line, 12.2 mi (air) ENE of Clear Lake (town), 17.1 mi (air) W of Williams
566
Comment
CHSC45328
Malva neglecta
Vernon Oswald
1983-10-10
1058
Butte
City of Chico Sewage Treatment Plant on Chico River Rd., 1/4 mi w of its jct with Alberton Ave.
Comment
JEPS104135
Malva nicaeensis
Lowell Ahart
2003-5-9
10121
Butte
Along the sw corner of a prune orchard, on the n side of Evans Reimer Rd, ca 3/4 mi w of Block Rd, ca 3 mi (air) sw of Gridley.
24
Comment
JEPS119502
Malva parviflora
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17815
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
JEPS119994
Malva parviflora
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17915
Butte
Near table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
CHSC45330
Malvella leprosa
Vernon Oswald
1983-6-28
782
Butte
Graylodge Waterfowl Management Area near Parking Lot 16.
Comment
CHSC66671
Malvella leprosa
Vernon H. Oswald; Lowell Ahart
1996-7-22
8094
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the NE corner of Tract 1.1, Sanctuary II.
33
Comment
CHSC3511
Marah fabacea var. agrestis
M. Gregg
1966-2-28
23
Butte
In Upper Bidwell Park at Salmon Hole.
Comment
CHSC82398
Marsilea vestita subsp. vestita
Lowell Ahart
2002-5-15
9659
Butte
On the bottom and sides of a pond, about 100 yards east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC101263
Matricaria discoidea
Lowell Ahart
2009-4-3
15524
Butte
Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico.
67
Comment
CHSC81219
Matricaria discoidea
J. Trizzino
2001-4-25
61
Butte
Chico Avenue, between Crouch Avenue and Lone Pine Avenue.
45
Comment
CHSC90233
Meconella californica
Ross L. Jones
1989-4-12
24
Butte
Ca. 100 m s of Butte Creek and 200 m w of Covered Bridge, 10.2 km ese of Chico.
150
Comment
UCD95462
Meconella californica
Dana J. LeNarz
1982-4-8
11
Butte
60m SE of Butte Creek, vic. Covered Bridge, ca. 9.7 km SE of Chico.
122
Comment
JEPS115540
Medicago arabica
Lowell Ahart
2009-5-15
15712
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
SEINET12155157
Medicago arabica
P. L. Ricker
1912-1
3956
Butte
Chico
Comment
SEINET10452580
Medicago hispida
Mary Susan Taylor
1975-4-25
Taylor 504
Butte
Ca. 20 mi NE of Chico on Cohasset Rd, ca. 0.5 mi N of the horse trough.
Comment
CDA42859
Medicago lupulina
L. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-1
18000
Butte
On the west side of the horse path, about 20 yards north of the paved park road, west of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
JEPS95544
Medicago orbicularis
Lowell Ahart
1994-3-30
7279
Butte
7 mi N of Oroville (garden area at NE corner of Oregon City School House, Oregon City)
365
Comment
CHSC40606
Medicago polymorpha
Ahart; Jokerst
1985-3-24
4858
Butte
West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CHSC97690
Medicago polymorpha
Lowell Ahart
2007-11-3
14571
Butte
Along a very small stream, below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise.
259
Comment
HSC32649
Medicago polymorpha
Patricia Datzman
1974-4-20
17
Butte
300 yards S of intersection of Pentz Rd. and Clarke Rd.
Comment
RSA4654
Melica aristata
E. B. Copeland
1929-7-18
337
Butte
Jonesville
1550
Comment
CAS-BOT-BC269378
Melica californica
Copeland
1903-5-2
3254
Butte
Chico
Comment
CAS-BOT-BC269387
Melica californica
John Thomas Howell; Gordon H. True
1967-6-11
42563
Butte
On northwest side of Feather River Canyon near Pulga Bridge
Comment
CHSC35966
Melica californica
M. S. Taylor
1982-5-21
4490
Butte
On n side of Hwy 70 along Pulga Rd near Pulga bridge over Feather River, ca. 20 air mi ne of Oroville.
487
Comment
SEINET11688662
Melica californica
K. R. Pearson
1983-1
19
Butte
ca 200 m NNE of Chico Creek, 2 km NW of diversion dam, 3 km NNE of Chico
150
Comment
JEPS121983
Melica harfordii
Lowell Ahart
2014-7-7
19560
Butte
About 20 yards east of the Skyway, about one-mile north of Stirling City.
Comment
CHSC88191
Melica subulata
Lowell Ahart
2004-7-23
11300
Butte
On the east side of the road, north of the West Branch Campground, south of the Bridge across the West Branch of the Feather River, about 1 1/2 miles (air) west of Philbrook Reservoir Dam, about 3 3/4 miles (air) southeast of Butte Meadows.
1456
Comment
UCR115089
Melica subulata
G. Fred Hrusa, T. D. Wilfred
1996-7-9
13141
Butte
Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp
1250
Comment
UCR208160
Melica subulata
Lowell Ahart
2004-7-23
11300
Butte
Sierra Nevada Mountains, east side of the road, north of the West Branch Campground, south of the bridge across the West Branch of the Feather River, about 1.5 miles (air) west of Philbrook Reservoir Dam, about 3.75 miles (air) southeast of Butte Meadows
1457
Comment
CHSC42524
Melilotus indicus
Lowell Ahart
1987-5-6
5525
Butte
Along the road, near the Poe Power House along the North Fork of the Feather River about 2 miles south-east of Jarbo Gap.
283
Comment
CHSC90810
Melilotus indicus
Lowell Ahart
2005-5-2
11772
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
UC204543
Melilotus indicus
A. A. Heller
1914-7-13
11567
Butte
10 mi e Oroville; Mt. Ida Ranch
Comment
CHSC34144
Melissa officinalis
L. Ahart
1981-9-27
3210
Butte
On sides of dredger piles ca. 1/8 mi ne of jct of Lower Wyandotte Rd and Upper Palermo Rd, ca. 4 mi ne of Palermo.
80
Comment
CDA13827
Mentha canadensis
G. F. Hrusa, T. D. Wilfred
1996-9-5
13555
Butte
Butte Basin; Butte Creek immed. below Western Canal District Dam.
Comment
CHSC92047
Mentha spicata
Lowell Ahart
2005-8-19
12334
Butte
On the east side of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
49
Comment
UCD117215
Mentzelia dispersa
E. B. Copeland
1929-7-19
385
Butte
Jonesville, along Butte Creek.
Comment
CAS-BOT-BC428760
Micranthes californica
Mrs. C. C. Bruce
1897-3-1
2043
Butte
Chico Canon [Canyon]
Comment
CAS-BOT-BC428762
Micranthes californica
A. A. Heller
1919-3-25
13098
Butte
Canon [Canyon] of Chico Creek
Comment
CAS-BOT-BC348465
Micropus californicus var. californicus
A. A. Heller
1914-4-11
11278
Butte
8 miles north of Oroville
Comment
CHSC24149
Micropus californicus var. californicus
B. Bunge
1976-4-22
12
Butte
Ca. 100 yd of Skyway, 5 mi ese of Chico.
213
Comment
CAS-BOT-BC348461
Micropus californicus var. californicus
Mrs. C. C. Bruce
1897-1-1
s.n.
Butte
Unspecified
Comment
CAS-BOT-BC348876
Microseris douglasii subsp. douglasii
Lowell Ahart
1985-4-29
4887
Butte
Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville
50
Comment
CHSC43627
Microseris nutans
Vernon Oswald
1984-6-11
1277
Butte
Humboldt Rd. to Butte Meadows, 2.0 mi n-e of its jct. with Hwy 32.
1380
Comment
CAS-BOT-BC322774
Microseris sylvatica
L. S. Rose
1931-4-12
s.n.
Butte
Honcut
Comment
CHSC31663
Microseris sylvatica
L. Ahart
1979-4-19
1831
Butte
Fields near Douglas Oaks. Peter Ahart Ranch, Honcut.
50
Comment
UC473559
Microseris sylvatica
L. S. Rose
1931-4-12
Butte
Honcut
Comment
CHSC43704
Microsteris gracilis
Vernon Oswald
1983-6-22
734
Butte
Beside Calif. Hwy. 32 0.2 mi s-w of its jct. with Humbolt Rd. to Butte Meadows.
1158
Comment
POM196544
Microsteris gracilis subsp. gracilis
H. F. Copeland
1929-6-12
1202
Butte
Jonesville.
1524
Comment
CHSC44734
Mimetanthe pilosa
R. Banchero
1979-10-7
55
Butte
Margin of Sacramento River at Bidwell State Park near boat launching ramp.
38
Comment
RSA435494
Mimulus aurantiacus var. grandiflorus
Francis W. Pennell, A. A. Beetle
1940-6-5
25677
Butte
route 24 Stony bank, red clay, along Featerh Rvier above Oroville, 10-12 mi. above
183
Comment
POM5059
Mimulus bicolor
A. A. Heller, H. E. Brown
1902-5-12
5545
Butte
Grade between Clear Creek and Paradise.
Comment
JEPS115643
Mimulus cardinalis
Lowell Ahart
2009-8-23
16290
Butte
About 30 yards west of the seep at the base of a large rock, northwest of a broad open drainage in oak woodland, about 150 yards northwest of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10
266
Comment
JEPS109856
Mimulus glaucescens
Dean W. Taylor
2006-6-28
19554
Butte
West Branch Feather River; growing on the diversion dam and nearby cliffs just upstream from the Reston Road Bridge, vicinity of Striling
993
Comment
JEPS5590
Mimulus glaucescens
R. F. Hoover
1938-4-24
3248
Butte
3 mi n Chico
Comment
POM43712
Mimulus glaucescens
C. C. Bruce
1897-02
2106
Butte
Little Chico.
Comment
CDA31944
Mimulus guttatus
L. Ahart
2008-5-21
14774 A
Butte
Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam
Comment
JEPS48318
Mimulus guttatus
Paul C. Hutchison with J. K. Wright and R. Bacigalupi
1963-6-1
2686
Butte
w side Pulga Bridge; North Fork of Feather River
472
Comment
SEINET5561543
Mimulus guttatus
H. S. Gentry, S. Koch
1962-1
19782
Butte
6 mi. NE of USDA Field Station, Chico, along road to Centerville.
Comment
JEPS4705
Mimulus microphyllus
A. A. Heller
1938-5-4
15060
Butte
e Chico (near covered bridge over creek); Butte Creek
106
Comment
SEINET13711426
Mimulus pilosus
Lowell William Ahart, Lowell William Ahart
1999-1
8133
Butte
12 Air Mi. SW of Chico, 2 Mi SE of Ordbend, Sacramento River
Comment
SBBG28815
Mimulus primuloides
E. B. Copeland
1929-7-13
459
Butte
Jonesville
Comment
UCD122930
Mimulus torreyi
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
CHSC93500
Minuartia californica
Lowell Ahart
2006-5-8
12590
Butte
Margins of a vernal pool, about 80 yards south of the three Gray Pines on the rim of Coal Canyon, about 1 3/4 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
346
Comment
SEINET10866376
Minuartia douglasii
Mary Susan Taylor
1980-5-27
Taylor 2696
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
RSA424440
Minuartia douglasii
Margaret J. Williams, W. Roderick
1984-5-25
84- 22 -11
Butte
Magalia, near Skyline road to Paradise
640
Comment
JEPS98679
Moenchia erecta subsp. erecta
Lowell Ahart
2000-5-9
8332
Butte
10 air miles NE of Oroville (S side of the dirt road, S side of the Oak Grove Cemetery, about 1/2 mi SE of Hurleton)
548
Comment
CDA23932
Mollugo verticillata
D. G. Kelch
2006-8-2
6 .341
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
CHSC102399
Mollugo verticillata
Lowell Ahart
2009-8-13
16274
Butte
In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico.
68
Comment
UCD99637
Mollugo verticillata
A. A. Heller
1914-6-2
11473
Butte
8 miles north of Oroville.
Comment
CAS-BOT-BC435070
Mollugo verticillata
Lowell Ahart
1984-8-19
4787
Butte
North of the state burrow area, west of Pacific Heights Road, about 5 miles south-west of Oroville
40
Comment
CHSC62558
Monardella breweri subsp. lanceolata
B. Castro
1993-7-27
490
Butte
Ca 3 mi SW of jcn of French and Peavine Creeks, at SE end of Swayne Hill, on USFS Rd 23N28 ca 0.8 mi W of its jcn with Rd 22N34.
737
Comment
CHSC70800
Monardella breweri subsp. lanceolata
B. Castro
1989-8-1
332
Butte
Ca 3.5 road mi E of Brush Creek on Milsap Bar Rd. Ca 100 ft S of rd.
853
Comment
CAS-BOT-BC222138
Monardella odoratissima subsp. pallida
E. B. Copeland
1930-8-4
452
Butte
Jonesville
1550
Comment
CAS-BOT-BC220233
Monardella sheltonii
John Thomas Howell
1955-6-15
30481
Butte
6 miles from Paradise on road to Pentz
426
Comment
CAS-BOT-BC220457
Monardella sheltonii
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC2422
Monardella sheltonii
R. Carter
1965-6-15
227
Butte
Found e of Paradise on Honey Run Rd., 2.4 mi. from intersection with Skyway on S side of road.
472
Comment
CHSC43019
Monardella sheltonii
L. P. Janeway
1987-6-5
2127
Butte
Along OroQuincy Hwy 0.5 mi S of suspension br over Lake Oroville.
320
Comment
CHSC91463
Monardella sheltonii
Lowell Ahart
2005-7-12
12137
Butte
On the west side of Encina Grade Road (Bloomer Hill Road), about 2 miles (air) southeast of Bloomer Hill, about 2 miles west of Oroville Quincy Highway.
623
Comment
SEINET10895146
Monardella sheltonii
A. Graff
1993-7-23
Graff 343
Butte
Plumas National Forest. Hwy. 70 southwest to Oroville from Arch Rock, at a turnout on the right. Mixed hardwood-conifer forest. Past bloom.
Comment
CHSC60101
Monardella venosa
B. Castro; L. P. Janeway
1992-5-10
456
Butte
In bottom of canyon SE of Neal Road; ca 100 ft NW of intermittent creek.
85
Comment
HSC95623
Monardella venosa
James D. Jokerst, B. Castro
1992-5-19
3356
Butte
Powerline site in unnamed canyon N of Nugen Canyon, S side of Neal Rd. near Butte Co. Sanitary Landfill, Cascade Range Foothills
84
Comment
RSA718313
Monardella villosa subsp. sheltonii
L. Ahart
2006-6-9
12655
Butte
on east side of Bardees Bar Road, north of the small 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
386
Comment
UC1562413
Monardella villosa subsp. villosa
Lowell Ahart
1990-5-28
6502
Butte
South of Palm Avenue, about 1/4 mile east of Larkin Road, about 2 1/2 miles north-east of East Gridley.
30
Comment
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
JEPS124215
Montia fontana
Lowell Ahart
2015-2-26
19939
Butte
About 1/4 mile north of Miners Ranch Reservoir, about 4 miles east of Oroville.
Comment
CHSC56080
Montia fontana subsp. amporitana
L. P. Janeway
1987-4-14
2003
Butte
Thermalito Forebay State Park, Oroville. In the lawn.
70
Comment
CHSC50418
Montia fontana subsp. chondrosperma
Vernon Oswald
1990-6-26
4321
Butte
East branch of Willow Creek on the east side of Humbug Rd, ca. 1.25 mi (air) southwest of Humbug Summit. Very abundant in quiet water of a shallow drainage on the meadow where the north and east branches of Willow Creek join.
1853
Comment
SEINET10572724
Montia fontana subsp. chondrosperma
Mary Susan Taylor, Vernon H. Oswald
1984-4-4
Taylor 5384
Butte
T23N R3E se sec 33? S side of Humbug Rd, ca. 6 mi NE of Honey Run Covered Bridge, ca. 10 air mi NE of Chico. Foothill Woodland; 1220 ft elev.
372
Comment
CHSC38633
Montia parvifolia
Vernon Oswald
1983-4-24
360
Butte
Upper Bidwell Park, Chico, near the north edge of Chico Creek 50 ft w of Parking Area H at Day Camp.
91
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
CHSC44457
Muhlenbergia filiformis
Lowell Ahart
1988-6-29
6098
Butte
Along a wash north of Bean Creek Road, about 1/2 mile south-east of Little Bald Rock.
975
Comment
CHSC47621
Muhlenbergia filiformis
Lowell Ahart
1984-7-19
4732
Butte
Along the edge of the dirt road, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
1371
Comment
POM196084
Muhlenbergia filiformis
H. F. Copeland
1929-6-9
1213
Butte
Jonesville.
1524
Comment
SEINET256564
Muhlenbergia jonesii
Lowell Ahart
1985-10-12
5198
Butte
Near the east side of Kunkle Rexervoir about 2 miles south of Paradise.
503
Comment
UC1563261
Muhlenbergia mexicana
unknown
1990-10-21
6635
Butte
about 1/2 mi w Gold Flat (about 1 mi n of Nelson Bar Road, below high water line of lake); Lake Oroville
213
Comment
SEINET7294640
Muhlenbergia mexicana var. filiformis
John Thomas Howell
1961-1
36716
Butte
Bank of Feather River, Oroville
53
Comment
UCD86785
Muhlenbergia minutissima
E. B. Copeland
1929-7-29
341
Butte
Above Jonesville
1750
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
CHSC45713
Myosurus apetalus var. borealis
Cynthia L. Eddy
1984-4-10
15
Butte
NW corner of intersection of Hwy 99 and Broyles Rd., ca. 12 mi n of Chico.
91
Comment
SD9591
Myriopteris gracillima
E. B. Copeland
1929-7-13
Butte
Jonesville
1700
Comment
CHSC39100
Nama lobbii
R. A. Schlising; K. Tarp
1983-8-12
4437
Butte
N part of county, N of Philbrook Reservoir on unnamed road.
1828
Comment
SD4132
Nama lobbii
E. B. Copeland
1930-6-27
Butte
Jonesville
1600
Comment
CHSC42138
Narthecium californicum
Lowell Ahart
1984-7-19
4760
Butte
About 1/2 mile east of Bald Mountain, about 5 miles north-east of Stirling City.
1600
Comment
CHSC41137
Nassella pulchra
R. L. Ondricek-Fallscheer
1983-5-7
165
Butte
Ca. 200 yds s of house on plateau at tip of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
170
Comment
CHSC100805
Navarretia capillaris
R. A. Schlising; L. Janeway
1988-7-16
4604
Butte
N part of county, S of Humbug Summit at upper reaches of Willow Creek; edge of meadow.
1950
Comment
CHSC11950
Navarretia divaricata
E. B. Copeland
1930-7-17
443
Butte
Jonesville.
1550
Comment
CHSC26880
Navarretia divaricata
K. R. Stern
1974-6-30
5773
Butte
Ca. 2 mi w of Philbrook Reservoir.
Comment
CHSC45426
Navarretia divaricata subsp. vividior
Lowell Ahart
1984-7-19
4729
Butte
Along the edge of the dirt road where there is a seep, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 air miles north-east of Stirling City.
1371
Comment
JEPS100229
Navarretia filicaulis
Dean W. Taylor
2002-7-3
18217
Butte
Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville)
1005
Comment
SEINET260314
Navarretia heterandra
Lowell Ahart
1988-5-5
5981
Butte
P. Ahart Ranch ca 2.25 mi N and 1.5 mi E of Honcut ca 12 mi S of Oroville
43
Comment
CHSC10727
Navarretia intertexta
Lowell Ahart
1968-5-8
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC101836
Navarretia intertexta subsp. intertexta
Lowell Ahart
2009-5-23
15754
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 1/4 mile west of the interection of Highway 32 and Ten Mile House Road, on east side of Ten Mile House Road, just northeast of Guardians Trail.
381
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
CHSC1295
Navarretia leucocephala
J. Gulick
1929-4-18
Butte
Rifle Range, near Chico creek.
76
Comment
CHSC91116
Navarretia leucocephala subsp. leucocephala
Lowell Ahart
2005-5-27
11814
Butte
Deep depression near a large wash, pasture field, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/5 miles east of Honcut, about 12 miles (air) southeast of Oroville.
36
Comment
CHSC28478
Navarretia nigelliformis
R. A. Schlising
1979-6-3
3431
Butte
Richvale vernal pools, 1/4 mi s jct Hwy 99 and 162 to Oroville, across from Thermalito Afterbay.
Comment
CHSC43943
Navarretia nigelliformis subsp. nigelliformis
Vernon Oswald
1988-5-18
3315
Butte
East side of Bruce Rd. ca. 0.8 mi n of the Skyway in southeast Chico.
79
Comment
CHSC95172
Navarretia tagetina
R. D. Fischer
2004-4-27
797
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy 32. Plants growing at the north end of Disc Golf Course.
396
Comment
RSA337389
Nemacladus interior
L. Ahart
1984-6-8
4669
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown.
370
Comment
SEINET12329565
Nemacladus interior
Unknown
1984-1
4669
Butte
At the Ponderosa Dam, ca 2 mi NW of Forbestown;along dirt road to the generator on the N side of
370
Comment
CHSC101268
Nemophila heterophylla
Lowell Ahart
2009-4-3
15531
Butte
Along the north margin of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico.
67
Comment
CHSC31177
Nemophila heterophylla
M. S. Taylor
1979-5-4
1994
Butte
Millsap Bar Campground, ca. 9 mi ne of the jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville.
1005
Comment
JEPS3147
Nemophila heterophylla
L. Constance, J. L. Morrison
1938-4-30
2177
Butte
8 mi n Chico (between Big and Little Chico Creeks, Sierra Nevada foothills); Sierra Nevada foothills, btw Big and Little Chico Creeks
609
Comment
SEINET12334039
Nemophila heterophylla
L. P. Janeway
1988-1
2964
Butte
near the road to French Cr, 0.9 mi S of Coyote Gap
1189
Comment
UC606887
Nemophila heterophylla
L. Constance, J. L. Morrison
1938-4-30
2177
Butte
8 mi n Chico (between Big Chico Creek and Little Chico Creek); Sierra Nevada foothills, btw Big Chico Creek and Little Chic
609
Comment
CHSC45840
Nemophila maculata
Lowell Ahart
1973-3-24
182
Butte
Along a small wash, along Swedes Flat Road, about 1 mile east of Rocky Honcut Creek.
457
Comment
CHSC62467
Nemophila menziesii var. menziesii
B. Castro; L. Janeway
1991-4-19
443
Butte
Ca 10 air mi NE of Oroville, 0.25 mi NW of Oregon Gulch, on gentle E-facing slope in N part of a 'Y' formed by jcn of old RR bed and road from Oregon Gulch to Hollow Spring.
295
Comment
UC880940
Nemophila pedunculata
A. A. Heller
1915-4-20
11852
Butte
Chico-Centerville road 3 mi from Chico; <near> Chico
Comment
CHSC75974
Nicotiana acuminata var. multiflora
Lowell Ahart; Vernon H. Oswald
1999-8-13
8135
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC46801
Nuphar lutea subsp. polysepala
R. A. Schlising; P. Broyles
1986-8-5
4500
Butte
NE of Snag Lake, and to W of Old Butte Creek House; small lake.
1822
Comment
UC985680
Nuphar lutea subsp. polysepala
Herbert L. Mason, Verne Grant
1946-8-14
13029
Butte
Canal near big pond on Sacramento Outing Club, Butte Sink Butte Sink; , Sacramento Outing Club
Comment
SEINET12342943
Odontostomum hartwegii
Unknown
1936-1
13408
Butte
along Mud Creek near Chico
Comment
SEINET10500394
Orobanche fasciculata var. franciscana
Mary Susan Taylor
1976-4-27
Taylor 1086
Butte
Abundant ca. 50 ft E of Cohasset Hwy, ca. 8 mi N of Chico; in Chaparral, with Cerococarpus betuloides, Adenostoma fasiculatum, Lepechnia calycina.
137
Comment
CHSC51081
Orthilia secunda
Pauleen Broyles
1987-7-19
1077
Butte
Ca. 72 km (air) ne of Inskip. at edge of small lake.
526
Comment
SEINET10549654
Orthocarpus campestris
Mary Susan Taylor
1979-5-6
Taylor 1999
Butte
Peter & Lowel Ahart Ranch, Honcut; Valley Grassland.
Comment
SEINET10592212
Oryza sativa
Mary Susan Taylor
1978-9-8
Taylor 1898
Butte
Around rice fields along Road 50, 4 mi N of Chico. In rice field.
61
Comment
CHSC93967
Osmorhiza chilensis
R. D. Fischer
2004-6-20
746
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 wooded side road, east side of camp and Chico Meadows.
1371
Comment
SEINET10454532
Oxypolis occidentalis
Mary Susan Taylor
1977-7-15
Taylor 1407
Butte
Butte Meadows, ca. 20 mi NE of Chico off Hwy 32.
1326
Comment
LA212209
Packera eurycephala var. lewisrosei
James R. Shevock;
1972-5-9
1777
Butte
Feather River Canyon, Jarbo Plass.
914
Comment
CHSC47625
Panicum capillare
Lowell Ahart
1974-8-14
601
Butte
Along the edge of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC52374
Parentucellia viscosa
L. P. Janeway
1989-5-13
3234
Butte
NE corner of Durham-Pentz Rd and Lake Hills Dr (pvt) 1.0 mi E of hwy 191.
115
Comment
CHSC93879
Parentucellia viscosa
L. P. Janeway
2006-5-24
8606
Butte
Northern Sierra Nevada Foothills. Near the eastern shores of Lake Wyandotte, about 7.0 air km east-southeast of Oroville Dam.
422
Comment
JEPS104347
Parvisedum pumilum
Lowell Ahart
2003-4-10
10082
Butte
Near the easat side of the ''sunken area,'' ca 150 yd w of the e rim of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
320
Comment
CHSC28426
Paspalum dilatatum
M. S. Taylor
1979-9-28
2199
Butte
Butte county line at Hwy 70, between boundary and Arch Rock tunnel.
487
Comment
CHSC38839
Paspalum dilatatum
Vernon Oswald
1983-6-3
630
Butte
Upper Bidwell Park, Chico, on the side of the access road on the w bank of the diversion channel near Lindo Channel.
83
Comment
UCD88969
Paspalum urvillei
Alan A. Beetle
1941-6-27
2894
Butte
4 miles north of Gilroy.
Comment
CHSC46853
Pectiantia pentandra
R. A. Schlising; P. Broyles
1987-6-26
4525
Butte
NE of Inskip, just E of Brown Ravine, on small tributary of Last Chance Creek.
1584
Comment
CHSC40767
Pectocarya pusilla
Ahart; Jokerst
1985-5-10
4960
Butte
In the road gutter, along the dirt road 1/2 mile east of Potter Ravine, south of the east branch of Potter Ravine, about 2 1/2 miles north-east of Oroville Dam.
320
Comment
CHSC94911
Pedicularis densiflora
L. P. Janeway
2006-5-28
8644
Butte
Northern High Sierra Nevada. 0.6 km east of Concow Road, 1.1 km northeast of Rag Dump, 3.8 mi north of Flea Mountain.
1248
Comment
SFV3421
Pedicularis densiflora
M. L. Vincent
1961-3-20
9
Butte
Paradise. Harrison and Stearns Roads.
535
Comment
SEINET12320799
Pedicularis densiflora
T. L. Wood
1974-1
30
Butte
100 yards W of Cohasset HWY, 17 mi E of Chico Airport
232
Comment
UC171556
Pedicularis semibarbata
Mrs. R. M. Austin
July 1896
110
Butte
Colby
Comment
CDA30220
Pellaea andromedifolia
L. Ahart
2009-5-3
15781
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 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CHSC86078
Pellaea andromedifolia
R. D. Fischer; Paul Maslin
2003-12-24
1022
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch. Site about 1/2 mile north of the gated main entrance of the Big Chico Creek Ecological Reserve (BCCER) and about 200 ft. westward downhill of cliffs.
518
Comment
CAS-BOT-BC67598
Pellaea mucronata
Ahart; Jokerst
1985-3-24
4855
Butte
Serpentine Point, west of Yankee Hill
550
Comment
CHSC39227
Pellaea mucronata
M. S. Taylor; K. Tharp
1983-3-11
5222
Butte
Big Bald Rock, ca. 3 mi s of Bruch Creek, ne of Oroville.
975
Comment
CAS-BOT-BC67556
Pellaea mucronata
Lowell Ahart
1966-2-25
s.n.
Butte
Honcut - Peter Ahart Ranch
45
Comment
CHSC97017
Pellaea mucronata var. mucronata
L. P. Janeway
2007-6-19
9064
Butte
Northern High Sierra Nevada. Plumas National Forest; along the dirt road to the upper end of the penstock of the Forbestown Pow-erhouse; 2.4 air km east-northeast of Ponderosa Dam, 500 m northeast of South Fork Feather River.
556
Comment
CHSC88056
Penstemon azureus var. azureus
R. D. Fischer
2004-5-30
182
Butte
Northern Sierra Nevada, 4-5 airmiles n. of Paradise, and w. of upper Paradise Pines. Turn w. off Skyway Road on Nimshew Road and take the s. turn on Centerville Road (on older maps Humbug Road), ca. 1 mile s. of this junction.
643
Comment
RSA699542
Penstemon azureus var. azureus
R. D. Fischer
2004-5-30
182
Butte
Northern Sierra Nevada, 4-5 air miles N of Paradise, and W of upper Paradise Pines. Turn W off Skyway Road on Nimshew Road and take the S turn on Centerville Road (on older maps Humbug Road), ca 1 mile S of this junction.
644
Comment
SEINET3160230
Penstemon breviflorus
L. S. Rose
1940-5-30
40425
Butte
Feather River Canyon, 25 mi NE of Oroville
610
Comment
UCD124220
Penstemon heterophyllus
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
CHSC94061
Penstemon heterophyllus var. purdyi
R. D. Fischer
2005-6-12
738
Butte
Sierra Nevada foothills, off Hwy. 32, about 3 miles east of Chico at theeast end of Humboldt trailhead in Bidwell Park. Roadside collection.
407
Comment
SEINET10548025
Penstemon laetus
Mary Susan Taylor
1980-5-27
Taylor 2730
Butte
N side of Oroville-Quincy Hwy, ca. 2 mi S of Lake Madrone.
610
Comment
CHSC86545
Penstemon laetus var. leptosepalus
L. P. Janeway; John Hunt
2003-6-13
7826
Butte
Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 140 m northwest of the north end of Enterprise Bridge.
287
Comment
UC103112
Penstemon laetus var. leptosepalus
D. Cleveland
1882-7-14
141
Butte
Sutton House
Comment
LA209562
Penstemon procerus
E. B. Copeland;
1931-6-20
Butte
Jonesville, Butte Creek
1500.0
Comment
CHSC86081
Pentagramma pallida
R. D. Fischer
2003-12-26
25
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico. West side of Diversion Dam parking area.
231
Comment
CHSC3982
Pentagramma triangularis
E. P. Parreno
1967-2-20
Butte
Salmon Hole.
Comment
CHSC79635
Pentagramma triangularis
Simona Altman
1999-3-9
41
Butte
At intersection of Skyway and Canyon Rim Pl.
76
Comment
CHSC11325
Pentagramma triangularis subsp. semipallida
Lowell Ahart
1967-4-12
Butte
Bidwell Bar.
121
Comment
CHSC32724
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-4-8
3497
Butte
At end of Dark Canyon Rd, around the turnout near the restroom up from the boat ramp to West Branch Feather River, ca. 3.5 mi s of its jct with Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70.
304
Comment
UC1549532
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-4-28
3568 B
Butte
ca. 2-3 mi ne of Pulga (along Four Trees Rd, ca. 0.5 to 1 mi e of Hwy 70); Pulga SW Quadrangle
670
Comment
CDA14077
Perideridia lemmonii
G. F. Hrusa, T. D. Wilfred
1997-7-3
13960
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter.
Comment
RSA459082
Perideridia parishii subsp. latifolia
M. B. Dunkle
1931-8-12
2624
Butte
Paradise Valley
Comment
SEINET3924533
Persicaria amphibia
Lowell Ahart
2003-6-16
10287
Butte
On the west side of Wickman Road, about 1 mile south of Richvale West road, about 1.5 miles (air) southwest of Richvale.; 0
29
Comment
CAS-BOT-BC413703
Persicaria hydropiper
Lowell Ahart
1983-9-17
4437
Butte
About 1/4 mile south-east of Stirling City
1100
Comment
CHSC83088
Persicaria lapathifolia
Lowell Ahart
2002-10-17
9992
Butte
On the gentle hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
CHSC42489
Persicaria maculosa
Lowell Ahart
1987-5-27
5706
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
CHSC66675
Persicaria maculosa
Vernon H. Oswald; Lowell Ahart
1996-7-22
8097
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Growing in gravel on the edge of the public access parking lot on Seven Mile Lane, adjacent to the SE corner of Tract 2, Santuary II.
33
Comment
JEPS119936
Persicaria maculosa
Lowell Ahart
2012-9-28
18465
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the Freeway, Lower Bidwell Park, Chico.
Comment
UCD99567
Persicaria maculosa
A. A. Heller
1914-8-20
11690
Butte
8 miles north of Oroville
Comment
CAS-BOT-BC419322
Persicaria punctata
John Thomas Howell
1959-9-20
34664
Butte
Eastern outskirts of Oroville
60
Comment
CHSC109765
Persicaria punctata
Lowell Ahart
2012-10-28
18523
Butte
About 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC116135
Persicaria punctata
Lowell Ahart
2015-11-7
20635
Butte
On the bottom of Grizzly Creek, flows into Dark Canyon, about 1/8 mile southwest of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
231
Comment
CHSC37286
Petrorhagia dubia
M. S. Taylor
1982-5-2
4382
Butte
Along Truex Rd ca. 1/2 mi w of its jct with Hwy 70, ca. 10 air mi n of Oroville.
Comment
CHSC110127
Phacelia cicutaria var. cicutaria
L. P. Janeway
2012-3-21
10797
Butte
Northern Sierra Nevada Foothills. Near the top of a flattened knoll on east side of Thermalito Diversion Pool between the Pool and the railroad tracks, about 0.4 km north-northeast of the Diversion Dam (Feather River; Oroville).
88
Comment
CHSC42226
Phacelia egena
Rusti Gannon
1986-4-3
8
Butte
Ca. 6.5 mi ne of Chico, w bank of Mud Creek. Ca. 35 yds nw along creek.
195
Comment
CHSC4595
Phacelia egena
C. Glascock
1965-4-10
305
Butte
2.5 mi. s on Clark Rd. from its intersection with Pearson Rd., Paradise.
Comment
SEINET10496979
Phacelia heterophylla var. pseudohispida
Mary Susan Taylor
1978-7-19
Taylor 1784
Butte
On E side of Upper Scotts John Road, ca. 2 mi N of its junction with Scotts John Road, ca. 6 mi NE of Jonesville.
1890
Comment
CHSC33243
Phacelia purpusii
R. A. Schlising; D. Ikeda, R. Banchero
1980-7-26
3780
Butte
Along Humboldt Road, 0.6 mi N of jct with Hwy 32 at Lomo.
1219
Comment
UC1187650
Phacelia purpusii
Lincoln Constance, Elwood Molseed, John Weiler
1960-6-12
3677
Butte
three mi above junction of Highway 32 and Butte Meadows road (33 min ne of Chico)
1219
Comment
CHSC60987
Phacelia vallicola
Lowell Ahart
1993-6-20
6989
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC8263
Phalaris caroliniana
D. McClain
1969-4-18
48
Butte
1000 yds. n.w. from gate on Table Mountain, 5 mi. s.w. on Cherokee Rd. from its junction with Feather River Highway.
487
Comment
CAS-BOT-BC250704
Phalaris paradoxa
A. A. Heller
1914-5-13
11391
Butte
Near Nelson
Comment
CHSC46440
Phalaris paradoxa
Lowell Ahart
1989-5-23
6255
Butte
Along the edges of Avocado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor.
213
Comment
SEINET10482912
Philadelphus
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5508
Butte
Trees Road between Hwy 70 and Coyote Gap, ca. 25 air mi NE of Oroville. Yellow Pine Forest.
Comment
CHSC6622
Philadelphus grandiflorus
M. MacArthur
1968-6-17
306
Butte
SE yard of Building U on Chico State College campus.
60
Comment
CAS-BOT-BC77374
Philadelphus lewisii
A. A. Heller
1913-6-6
10784
Butte
Ditch along Table Mountain 8 miles north of Oroville
182
Comment
UCD22550
Philadelphus lewisii
James I. Mallory
1970-5-26
373
Butte
Little Butte Creek Canyon south of Irish Town.
426
Comment
OBI48878
Philadelphus lewisii subsp. californicus
Lewis S. Rose
1940-5-30
40423
Butte
Feather River Cyn, 25 mi NE of Oroville
610
Comment
SEINET10657620
Phleum pratense
Mary Susan Taylor
1982-1
Taylor 4728
Butte
T33N R5E nw1/4se1/4 sec 30. Pulga SW quad. Weedy around large landing on saddle of ridde se of Flea Mt, n of Pulga. ca. 5 air mi e of Magalia. With Malacothrix floccifera, Onobrychis, Madia, Rumex acteosella, Penstemon.
1097
Comment
UCD118397
Phlox diffusa
E. B. Copeland
1931-6-19
683
Butte
Jonesville.
2100
Comment
UC478477
Phlox gracilis
E. B. Copeland
1931-6-29
680
Butte
Butte Creek Jonesville
1500
Comment
CHSC115284
Phlox speciosa subsp. occidentalis
Lowell Ahart
2015-4-30
20121
Butte
About 1/4 mile south of Forbestown Reservior Road, about 2 1/2 miles (air) northeast of Forbestown.
890
Comment
SEINET10903286
Phoradendron bolleanum subsp. densum
Mary Susan Taylor
1980-2-17
Taylor 2316
Butte
T23N R2E sec 17. In crevice of cliff, ca. 1/4 mi N of Mud Creek, ca. 1 mi NE of Richardson Springs Hotel.
366
Comment
CHSC3591
Phoradendron densum
Susan Carrauthers
1966-3-6
45
Butte
1/4 mi N.E. of Magalia (city) train station on Coutelenc Road. N. of city of Paradise.
Comment
CHSC85727
Phoradendron densum
G. F. Hrusa; T. D. Wilfred
1997-7-3
13981
Butte
Sierra Nevada. Near summit of serpentine slopes facing SSE above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 degrees 51' N; 121 degrees 34' W'].
750
Comment
LA209828
Phoradendron juniperinum
E. B. Copeland;
1931-7-28
627
Butte
Jonesville
1500.0
Comment
UC203612
Phoradendron villosum
A. A. Heller
1914-1-28
11157
Butte
6 mi. e. Chico (on volcanic uplands near Hog Springs)
Comment
SEINET10936355
Phoradendron villosum
Mary Susan Taylor
1981-1-5
Taylor 3373
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
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
UC1143157
Physalis lancifolia
H. S. Yates
1936-8-14
6127
Butte
3 mi nw Nelson; Chico Quad.
30
Comment
CHSC102989
Phytolacca americana
Lowell Ahart
2009-8-13
16280
Butte
West end of a picnic area, on the north side of the channel, about 140 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, about 40 yards northwest of Big Chico Creek, Upper Bidwell Park, Chico.
68
Comment
RSA755373
Phytolacca americana
L. Ahart
2009-8-13
16280
Butte
At the west end of a picnic area, on the north side of the channel, about 140 yards east of the diversion structure that controls Mud Creek diversion and Linda Channel, about 40 yards northwest of Big Chico Creek, Upper Bidwell Park, Chico.
69
Comment
UCR188556
Phytolacca americana
George K. Helmkamp, E. A. Helmkamp
2007-10-7
13075
Butte
Northern Sacramento Valley, Biggs East Hwy, 1.6 miles east of CA-99 at Biggs
32
Comment
CHSC28691
Pilularia americana
M. S. Taylor
1979-5-6
2002
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC46176
Pilularia americana
Lowell Ahart
1978-5-15
1720
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC88660
Pinus lambertiana
H. Gray
2003-1-27
Butte
Plumas National Forest.
914
Comment
NY61630
Pinus lambertiana
E. B. Copeland
1929-7-19
332
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
CHSC2351
Piperia transversa
V. Holt
1935-7-1
Butte
De Sabla.
762
Comment
CHSC54457
Piperia transversa
Vernon H. Oswald; Lowell Ahart
1991-7-15
4732
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek.
1109
Comment
UC177514
Piperia transversa
H. M. Hall
1914-7-29
9799
Butte
Butte Meadows
1371
Comment
CHSC4403
Piptatherum miliaceum
R. L. Smith
1966-5-5
3
Butte
Paradise, 5 mi sw of post office.
Comment
SEINET10529821
Pityrogramma triangularis
Mary Susan Taylor, Vernon H. Oswald
1984-4-4
Taylor 5378
Butte
T22N R2E nw sec 25. N side of Humbug Rd, ca. 0.5 mi E of Honey Run Covered Bridge, ca. 6 air mi E of Chico. Foothill Woodland; 600 ft elev.
183
Comment
SEINET10529838
Pityrogramma triangularis
Mary Susan Taylor, L. Hanson
1981-4-2
Taylor 3468
Butte
T20N R7E ne sec 32; Clipper Mills quad. South side of Forbestown Reservoir, in serpentine cliff, south side of Rd 20N29, ca. 3 air mi north of Woodleaf. l800 ft.
549
Comment
CHSC28142
Plagiobothrys austiniae
Robert A. Schlising
1979-4-30
3383
Butte
Ca 10 mi nw of Oroville, near jct Pentz and Clark roads. At roadside.
76
Comment
RSA20871
Plagiobothrys austiniae
C. B. Wolf
1937-3-29
8332
Butte
Sacramento Valley, 1/2 mile SE of Butte Creek on Chico-Oroville Rd
58
Comment
JEPS119603
Plagiobothrys canescens
Lowell Ahart
2012-4-9
17846
Butte
About 5 feet east of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
Comment
UC196295
Plagiobothrys canescens
A. A. Heller
1914-3-26
11226
Butte
canyon of Big Chico Creek Big Chico Creek
76
Comment
CHSC101285
Plagiobothrys fulvus
Lowell Ahart
2009-4-17
15544
Butte
South slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
373
Comment
SEINET12275924
Plagiobothrys fulvus
Unknown
s.n.
Butte
no further locality
Comment
JEPS117195
Plagiobothrys glyptocarpus var. glyptocarpus
Lowell Ahart
2010-5-16
16688
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
371
Comment
JEPS117203
Plagiobothrys glyptocarpus var. glyptocarpus
Lowell Ahart
2010-5-22
16715
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
392
Comment
CAS-BOT-BC228252
Plagiobothrys hispidulus
A. A. Heller
1914-6-22
11496
Butte
W slope of Sierra Nevada at Chico Meadows
1219
Comment
CHSC29278
Plagiobothrys nothofulvus
R. A. Schlising
1980-4-7
3558
Butte
2.8 mi E of Bangor Highway on Swedes Flat Road.
365
Comment
UCR237307
Plagiobothrys nothofulvus
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18754
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
CHSC39030
Plagiobothrys scriptus
R. A. Schlising
1983-4-15
4403
Butte
Cohasset Ridge, just sw of village of Cohasset and e of Maple Branch of Mud Creek. Dirt road.
536
Comment
CHSC26798
Plagiobothrys stipitatus
M. S. Taylor; H. Hayes
1978-4-14
1566
Butte
In vernal pools, on e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College campus, ca. 15 mi s of Chico.
30
Comment
UC1601376
Plagiobothrys stipitatus
Mrs. R. W. Summers
Butte
Comment
CHSC116703
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2016-5-14
20830
Butte
About 100 yards north of the waterhole, Peter Ahart Ranch, about 1 3/4 miles north and 2 3/4 miles east of Honcut, about 11 miles (air) southeast of Oroville.
38
Comment
CHSC43552
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1979-5-20
1881
Butte
On the west side of the Western Pacific Railroad, about 2 miles south of Palermo.
30
Comment
CHSC46774
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1980-5-4
2176
Butte
On the bottom of small vernal pools and along small washes, in a pasture, south-west of the intersection of Nelson Avenue and 20th Street in Thermalito.
60
Comment
CHSC87205
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2004-4-10
10731
Butte
Road gutter on the north side of Highway 149, about 1 mile northwest of the intersection of Highway 149 and Highway 70, about 6 miles (air) northwest of Oroville.
69
Comment
UCD80162
Plagiobothrys stipitatus var. micranthus
CNPS SN Foothill Team
2005-4-12
SNFN 0077 c
Butte
City of Chico, Doe Mill Meadowfoam Preserve, about 200 m SE of the end of Warfield Street (i.e. where the street crosses an old unusable bridge across a diversion canal).
87
Comment
CHSC33680
Plantago coronopus
L. Ahart
1981-5-16
2795
Butte
Along edge of dirt roads on Gray Lodge Waterfowl Mgmt Area, 1 mi sw of Gridley.
35
Comment
CHSC71186
Plantago coronopus
Lowell Ahart
1998-6-9
7984
Butte
At the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
UCD77277
Plantago coronopus
Robert E. Preston
2005-3-24
2326
Butte
Palermo Substation, ca. 1.3 mi NE of Palermo
121
Comment
CHSC110440
Plantago elongata
B. Castro
2007-3-29
1618
Butte
Sacramento Valley. Ca 0.9 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd. Around edges of distinct but shallow, flat-bottomed vernal pool, ca 80 ft E of Cohasset Rd and 50 ft N of Levell Along Sycamore Creek.
57
Comment
CHSC37404
Plantago elongata
A. R. Ratcliff; R. A. Schlising
1980-4-6
3547
Butte
Jct Chico-Oroville Road, about 5 mi s of Chico.
53
Comment
CDA42161
Plantago elongata
L. Ahart
2004-4-14
10741
Butte
In the road gutter and on the lower edge of the south side of Lower Honcut Road, about 100 yards west of Wyandotte Creek, about 1/8 mile west of the Railroad, about 1 3/4 miles west of Honcut.
0
Comment
CHSC29120
Plantago erecta
M. S. Taylor
1980-4-6
2450
Butte
On s side of Melody Lane, ca. 1 mi e of its jct with Honcut-Palermo Rd, ca. 5 mi s of Palermo.
38
Comment
CHSC41135
Plantago erecta
Paul K. Kirk
1981-4-16
10
Butte
150 m w of the e gate of Cherokee Rd. on Table Mountain, 13 km n of Oroville.
390
Comment
JEPS113684
Plantago lanceolata
Lowell Ahart
2007-7-27
14393
Butte
On the south strand of the Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville
36
Comment
SEINET10499814
Plantago lanceolata
Mary Susan Taylor
1975-3-3
Taylor 395
Butte
On E side of Richardson Springs Rd, between road and creek, ca. 2 mi NE of its jct with Cohasset Rd, ca. 6 mi N of Chico. Associates: Pinus sabiniana, Brodiaea pulchella, Pityrogramma triangularis, Galium nuttallii.
91
Comment
JEPS124275
Plantago major
Lowell Ahart
2015-11-18
20663
Butte
About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
Comment
CHSC106878
Plantago virginica
Lowell Ahart
2011-5-10
17355
Butte
Southeast of the tower, Peter Ahart Ranch, about 2 miles north and 2 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
48
Comment
JEPS118330
Plantago virginica
Lowell Ahart
2011-5-10
17355
Butte
Southeast of the tower, Peter Ahart Ranch, about 2 miles north and 2 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
48
Comment
JEPS122066
Platanthera dilatata var. leucostachys
Lowell Ahart
2014-7-13
19644
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir
Comment
CHSC86131
Platanthera leucostachys
John Dittes
2002-6-29
626
Butte
Northern High Sierra Nevada Range; Watson Ridge; ca. 2.3 air-miles south of Middle Fork Feather River, ca. 2.9 air-mile west by southwest of Cascade, ca. 6.8 air-miles north by northeast of town of Feather Falls. On ridge above FS access road.
1255
Comment
CAS-BOT-BC93159
Platanus racemosa
Lowell Ahart
1984-4-3
4535
Butte
Peter Ahart Ranch. Found growing on gravel bars along North Honcut Creek. About 1 mile north and 2.75 miles east Honcut.
50
Comment
CAS-BOT-BC93161
Platanus racemosa
John Thomas Howell
1961-9-22
36766
Butte
Sierra Nevada. North Fork of Feather River, 10 miles from Oroville.
121
Comment
CHSC103113
Platanus racemosa
Lowell Ahart
2009-8-23
16296
Butte
On the west 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
UC118461
Platystemon californicus
Mrs. R. M. Austin
Apr 1896
170
Butte
plains e Chico; plains e of Chico
Comment
SFV10384
Platystemon californicus
M. L. Vincent
1964-4-9
539
Butte
1.5 miles from Clark Road turnoff on Alt. 40 North Fork.
Comment
RSA638253
Plectritis brachystemon
Michael A. Vincent, Ethan H. Freid
1998-4-6
8119
Butte
Table Mountain.
Comment
JEPS15251
Plectritis ciliosa subsp. ciliosa
Rimo Bacigalupi with G. T. Robbins and F. Chisaki
1956-4-19
5614
Butte
6 mi s of Oroville (along road from Oroville to Bangor)
167
Comment
CHSC29232
Plectritis congesta
M. S. Taylor
1980-4-1
2428
Butte
On bluffs above Covered Bridge, ca. 100 ft s of Butte Creek, ca. 6 mi e of Chico
182
Comment
CHSC115485
Plectritis congesta subsp. brachystemon
L. P. Janeway; Emily Meigs Doe
2015-4-21
11666
Butte
Northern High Sierra Nevada. Plumas National Forest; southwest side of Old Forbestown Road, 0.8 road-km north of Forbestown Road and New York Flat Road.
855
Comment
UC890146
Plectritis macrocera
A. A. Heller
1938-4-14
15026
Butte
summit of Table Mountain Table Mountain
304
Comment
CHSC33573
Pleuricospora fimbriolata
M. S. Taylor
1981-4-27
3560
Butte
Ridge between 21N33 and 21N80, ca. 1 mi sw of Bald Rock Rd, ca. 0.5 mi n of Zink Rd, ca. 2 mi sw of Brush Creek.
1005
Comment
CAS-BOT-BC458151
Pleuricospora fimbriolata
M. S. Taylor
1980-8-2
3210
Butte
Humboldt Summit, ca. 100 ft. W of Old Humboldt Rd.
2011
Comment
HSC72943
Pleuricospora fimbriolata
M. S. Taylor
1981-4-27
3560
Butte
Ridge between FS 21N33 and 21N80, Galen Ridge, 1 mi. SW of Bald Rock Rd, 0.5 mi. N of Zink Rd., 2 mi. SW of Brush Creek.
1006
Comment
CHSC47627
Poa annua
Lowell Ahart
1974-3-12
317
Butte
In garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC28553
Poa bolanderi
M. S. Taylor
1978-7-19
1777
Butte
On e side of Upper Scotts John Rd, ca. 2 mi n of its jct with Scotts John Rd, ca. 6 mi ne of Jonesville.
1889
Comment
CHSC40294
Poa bolanderi
Lowell Ahart
1985-7-16
5147
Butte
Near Willow Creek, about 4 miles east of Cherry Hill, about 7 miles north-east of Butte Meadows.
1828
Comment
JEPS106266
Poa bolanderi
Lowell Ahart
2004-7-23
11305
Butte
On the east side of the road, north of the West Branch Campground, south of the Bridge across the West Branch of the Feather River, about 1 1/2 miles (air) west of Philbrook Reservoir Dam, about 3 3/4 miles (air) southeast of Butte Meadows
1456
Comment
JEPS117176
Poa bolanderi
Lowell Ahart
2010-9-21
17198
Butte
On damp humus, under firs, about 50 yards east of the poor dirt road, about 100 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir
1917
Comment
POM183185
Poa bolanderi
H. F. Copeland
1930-7-21
1349
Butte
Jonesville.
1524
Comment
CAS-BOT-BC255063
Poa compressa
John Thomas Howell
1962-6-16
37578
Butte
Pentz Road 2 miles S of Magalia
609
Comment
UC1594539
Poa compressa
Lowell Ahart
1992-8-2
6897
Butte
cxa 3 air mi ne Concow Reservoir (in Concow Medow, along Concow Creek)
1097
Comment
CHSC50854
Poa cusickii subsp. epilis
Vernon Oswald; Lowell Ahart
1990-7-19
4371
Butte
Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.8 mi west of the Plumas County line.
1965
Comment
CHSC64263
Poa pratensis
S. C. Morey
1983-8-1
651
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CHSC101746
Poa pratensis subsp. pratensis
Lowell Ahart
2009-5-23
15746
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico.
203
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
CHSC29742
Poa secunda subsp. secunda
J. D. Jokerst
1980-4-21
632
Butte
Top of North Table Mt., several miles N of Cherokee Rd.
457
Comment
CHSC92585
Poa secunda subsp. secunda
L. P. Janeway; Jamie Tuitele-Lewis, Matt Brown, Samantha Hillaire
2005-5-10
8386
Butte
Northern High Sierra Nevada. Plumas National Forest; southeast-facing slope above North Fork Feather River between Lockerman Creek and Cedar Creek.
1116
Comment
CHSC110469
Poa sierrae
L. P. Janeway
2013-5-20
11111
Butte
Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road.
646
Comment
UCSB63721
Pogogyne ziziphoroides
Watega, Jerry
1986-5-15
Butte
ca.. 50 ft w of Hwy. 99; 9-5 mi n of Chico
54
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
UC398942
Polemonium occidentale subsp. occidentale
E. B. Copeland
1929-7-28
392
Butte
Jonesville
1500
Comment
UCD109713
Polygala cornuta
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
CAS-BOT-BC167551
Polygala cornuta var. cornuta
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC167555
Polygala cornuta var. cornuta
Lowell Ahart
1983-6-21
4095
Butte
Along Bloomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville
450
Comment
CHSC46976
Polygala cornuta var. cornuta
Vernon H. Oswald
1989-9-27
4017
Butte
Paradise Lake ca. 3 mi n of Magalia. On the edge of the roadway which surrounds the perimeter of the lake.
777
Comment
SEINET6647276
Polygonum alpinum
E. B. Copeland
1930-1
s.n.
Butte
Jonesville
1500
Comment
SEINET10479328
Polygonum arenastrum
Mary Susan Taylor
1982-4-28
Taylor 4373
Butte
T17N R1E se/ne sec 22. Pennington quad. Graylodge Waterfowl Refuge, around parking lot 5, ca. l mi s of HQ, ca. 12 mi sw of Gridley. 65 ft.
20
Comment
CHSC46878
Polygonum aviculare
Vernon Oswald
1989-9-6
3991
Butte
Between the Midway and the railroad at Butte Creek, ca. 1.5 mi sse of Durham. Rancho Esquon. Common weed on hard-packed soil of a parking area on the north edge of the creek.
30
Comment
CAS-BOT-BC414193
Polygonum aviculare subsp. depressum
Lowell Ahart
1986-11-9
5453
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
UC85633
Polygonum californicum
Mrs. Bidwell
July 1876
Butte
Chico
Comment
POM118565
Polygonum californicum
C. C. Bruce
1897-06
2007
Butte
[No location data on label]
Comment
SEINET10479639
Polygonum convolvulus
Lowell Ahart, Peter Ahart
1983-8-10
Ahart 4269
Butte
T18N R5E sec 14? Along La Porte Rd, ca. 4 mi ne of Bangor. Foothill Woodland; 350 m.
350
Comment
CAS-BOT-BC414416
Polygonum douglasii
H. F. Copeland
1920-7-24
18
Butte
Meadow by Colby Creek
1828
Comment
POM280362
Polygonum douglasii
Lyman Benson
1932-7-28
3973
Butte
First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed.
1829
Comment
JEPS88583
Polygonum douglasii subsp. douglasii
Vernon H. Oswald and Lowell Ahart
1996-7-22
8082
Butte
U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (w side of levee at sw corner of Tract 6, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit
30
Comment
CHSC11916
Polygonum douglasii subsp. spergulariiforme
E. B. Copeland
1931-7-3
632
Butte
Jonesville. Dry openings in Colby Canyon.
1550
Comment
UC1509659
Polygonum hydropiper
L. Ahart
1982-10-11
3864
Butte
large duckpond ca 1/10 mi w Graylodge Wildlife Refuge (ca 12 mi sw of Gridley)
35
Comment
CDA42849
Polygonum lapathifolium
L. Ahart
2011-8-17
17628
Butte
About 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
JEPS95934
Polygonum lapathifolium
Lowell Ahart
1999-8-13
8174
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
SEINET10970713
Polygonum parryi
Mary Susan Taylor
1980-6-14
Taylor 2875
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, on granite dome, ca. 4 mi E of Lake Madrone.
1016
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
UC1191264
Polygonum punctatum
Herbert L. Mason and Verne Grant
1946-9-4
13109
Butte
West Gridley Rd 833 Canal
Comment
CAS-BOT-BC71866
Polypodium californicum
Lowell Ahart
1983-3-28
3911
Butte
Woodleaf Creek, above the road, about 3/8 mile southwest of the Forbestown Res., about 4 miles northeast of Forbestown
450
Comment
UCSB63725
Polypodium californicum
Occhino, Deborah
1990-4-22
Butte
S bank Big Chico Creek, vic. police pistol range, SW corner Bidwell Park, Chico
60
Comment
CHSC3886
Polypodium calirhiza
Gerry Carrauthers
1966-3-7
79
Butte
Honeyrun Rd. above old Honeyrun Bridge. Ca. 5 mi. N. W. of city of Paradise.
Comment
JEPS117728
Polypodium calirhiza
Lowell Ahart
2010-4-30
16592
Butte
Below rim and above cliffs, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
360
Comment
CAS-BOT-BC232966
Polypogon australis
A. A. Heller
1914-5-19
11419
Butte
Hills 8 miles N of Oroville
Comment
CHSC38850
Polypogon interruptus
Vernon Oswald
1983-6-17
700
Butte
Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 200 ft w of Day Camp. On ledge near creek.
91
Comment
UC1609522
Polypogon interruptus
Lowell Ahart
1993-5-15
6941
Butte
on the n side of Biggs Princeton Road about 2 mi w Biggs
30
Comment
CAS-BOT-BC233206
Polypogon maritimus
A. A. Heller
1914-5-13
11398
Butte
Near Butte Creek between Durham and Nelson
Comment
SEINET10507585
Polypogon maritimus
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4052
Butte
T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest.
Comment
SEINET11688355
Polypogon monspeliensis
Unknown
1985-1
4973
Butte
W of Lunt Road ca 0.5 mi N of intersection of Lunt Rd and Hwy 70, N of Yankee Hill, N of Oroville
503
Comment
CHSC24671
Polystichum californicum
C. E. Stopher; K. R. Stern
1976-4-13
24
Butte
2.8 km sse of Forest Ranch.
489
Comment
CHSC10673
Polystichum imbricans
Lowell Ahart
1966-3-13
Butte
Near Enterprise.
182
Comment
CAS-BOT-BC72296
Polystichum imbricans subsp. imbricans
John Thomas Howell; Gordon H. True
1967-6-11
42566
Butte
on northwest side of Feather River Canyon near Pulga Bridge
Comment
CHSC77445
Populus fremontii subsp. fremontii
Tim Stofer
1997-4-29
30
Butte
Located 50 ft from the enterance of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
SD65
Potamogeton berchtoldii
E. B. Copeland
1931-7-20
604
Butte
Jonesville, in cold springs
1650
Comment
SEINET10501689
Potamogeton crispus
Mary Susan Taylor
1982-5-22
Taylor 4496
Butte
T17N R1E se/se sec 3. Pennington quad. Graylodge Wildlife Refuge, Riparian Woodland at end of West Liberty Rd, ca. 12 mi sw of Gridley. 63 ft.
19
Comment
CDA794
Potamogeton diversifolius
L. Ahart
2004-7-11
11226
Butte
In shallow water on the SE shore of Paradise Lake, about 3/4 mile NE of the picnic area, about 1 mile NE of Paradise Dam, about 4 miles (air) SW of Stirling City.
Comment
CHSC66688
Potamogeton foliosus var. foliosus
Vernon H. Oswald; Lowell Ahart
1996-7-22
8091
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.2, Sanctuary II.
32
Comment
CHSC49686
Potamogeton gramineus
Vernon Oswald
1987-6-9
2974
Butte
Lily Pond 0.25 mi se of the benchmark on the s edge of Humbug Rd. between Butte Creek House and Snag Lake.
1813
Comment
UC1100071
Potamogeton nodosus
Herbert L. Mason
1947-7-10
12640
Butte
Sanford Slough, sw corner of Butte County Sanford Slough; , Butte Sink
Comment
UCD138255
Potamogeton nodosus
H. L. Mason; Verne Grant
1945-7-10
12640
Butte
Stanford Slough, Butte Sink, southwest corner of county.
Comment
CHSC46885
Potamogeton pectinatus
Vernon H. Oswald
1989-9-4
3977
Butte
Wurlitzer Unit, Vina Plains Preserve. In the farm pond.
56
Comment
UC1099839
Potamogeton pectinatus
Herbert L. Mason, Verne Grant
1946-8-14
13045
Butte
Butte Sink
Comment
CHSC54309
Potentilla glandulosa subsp. reflexa
Vernon H. Oswald
1991-6-3
4640
Butte
Trail along Butte Creek upstream from the bridge on Doe Mill Rd (Ponderosa Way), ca. 3 mi (air) north-northeast of De Sabla.
621
Comment
JEPS117310
Potentilla gracilis var. fastigiata
Lowell Ahart
2010-9-28
17253
Butte
About 20 yards west of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1-1/2 miles (air) northeast of Jones Meadow, about 2-1/2 miles (air) southeast of Philbrook Reservoir
1886
Comment
POM197046
Potentilla norvegica subsp. monspeliensis
H. F. Copeland
1928-8-22
1066
Butte
Jonesville.
1524
Comment
CHSC38652
Poterium sanguisorba
Vernon Oswald
1983-5-25
550
Butte
Upper Bidwell Park, Chico, 400 ft n of Upper Park Rd. at Diversion Dam. Along an abandoned road.
134
Comment
CHSC105953
Proboscidea lutea
Lowell Ahart
2010-9-24
17238
Butte
Near the east edge of the Golf Course, about 10 yards north of the footbridge, northeast of the Golf Club House, on the north side of Big Chico Creek, Bidwell Park.
94
Comment
CHSC39512
Prunella vulgaris var. lanceolata
Lowell Ahart
1983-6-21
4067
Butte
Along Bloomer Hill Road. Near a Branch of Canyon Creek, about 1/2 mile west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 5.
40
Comment
CHSC48494
Prunella vulgaris var. vulgaris
Vernon Oswald
1984-6-5
1255
Butte
Upper Bidwell Park, Chico, at Five Mile Recreation Area.
85
Comment
CHSC109648
Prunus avium
Lowell Ahart
2012-5-17
18083
Butte
Both side of the horse trail, between the paved park road and the poor dirt road, betw2een the paved park road and the poor dirt road, between Table 21 and Larch, Lower Bidwell Park, Chico.
73
Comment
SEINET10483441
Prunus avium
Mary Susan Taylor
1981-5-29
Taylor 3813
Butte
T22N R5E sw sec 15, Pulga SW quad. Vic. of old mining claim cabin, on Chino Ridge, at end of spur rd 22N85, off 22N31, at Chino Creek, ca. 3 air mi SW of Coyote Gap, ca. 16 air mi N of Oroville. Dense Yellow Pine Forest. Three cub bears sighted here. 3200 ft.
975
Comment
CHSC110039
Prunus cerasifera
Lowell Ahart
2012-10-28
18536
Butte
On the north side of the paved park road, north of the bridge across Big Chico Creek, north of the Deer Pen, northeast of Cedar Grove, Lower Bidwell Park, Chico.
74
Comment
JEPS120057
Prunus cerasifera
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18011
Butte
20 yards north of Big Chico Creek, south of the path, south of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
CHSC11998
Prunus emarginata
E. B. Copeland
1931-7-28
650
Butte
Jonesville. On ridge west of North Willow Creek.
1650
Comment
LA208076
Prunus emarginata
E. B. Copeland;
1931-7-28
650
Butte
Jonesville, W of North Willow Creek
1650.0
Comment
CHSC111154
Prunus persica
Lowell Ahart
2012-6-14
18183
Butte
Near the intersection of Arbutus and Vallombrosa Avenue, Lower Bidwell Park, Chico.
63
Comment
CHSC6045
Prunus persica
M. MacArthur
1968-6-19
229
Butte
Ca. 10 ft. SE of Big Chico Creek near PSA bridge, Chico State College.
60
Comment
CAS-BOT-BC357008
Pseudognaphalium luteoalbum
Ella Dales Cantelow
1941-5-24
3573
Butte
State Hy 24. Feather River Canyon 12.7 mi. n.e. of Oroville
Comment
CHSC28697
Pseudognaphalium thermale
M. S. Taylor
1979-9-9
1924
Butte
Inskip on the Skyway.
1467
Comment
CHSC103937
Psilocarphus brevissimus var. brevissimus
Lowell Ahart
2010-5-22
16723 A
Butte
North of the road, about 100 yards west of the fence, about 1/4 mile east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
387
Comment
CHSC32597
Psilocarphus oregonus
J. D. Jokerst; R. A. Schlising, B. Banchero
1980-4-16
843
Butte
0.1 mi W of the jct of Scout Rd, N of Humboldt Rd, community of Butte Meadows.
1341
Comment
CHSC88079
Ptelea crenulata
R. D. Fischer
2004-5-2
164
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along Annie Bidwell Trail between old cabin site (picnic table) and the open grassland of the Big Chico Creek canyon bluffs.
403
Comment
CHSC32685
Pteridium aquilinum var. pubescens
M. S. Taylor; L. Hanson
1981-3-31
3451
Butte
SE side of Spur rd, ca. 3/4 mi n of its jct with Ponderosa Way, ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville.
822
Comment
SEINET10452826
Punica granatum
Mary Susan Taylor
Taylor 779
Butte
Weedy or cultivated plants of Chico.
61
Comment
CHSC39392
Pycnanthemum californicum
L. Ahart
1983-9-17
4436
Butte
Ca. 1/4 mi se of Sitrling City.
1100
Comment
SEINET10499008
Pycnanthemum californicum
Lowell Ahart
1983-9-17
Ahart 4436
Butte
T24N R4E section 34. Ca. 1/4 mi se of Stirling City. Yellow Pine Forest; 1100 m.
1100
Comment
CHSC48673
Pyrola picta
Vernon Oswald
1987-7-13
3104
Butte
Near Jones Creek, ca. .25 mi n of the road connecting Humboldt and Humbug roads, ca. 1.25 mi (air) ne of Jonesville.
1645
Comment
UC426928
Pyrola picta
E. B. Copeland
1930-7-29
435
Butte
Jonesville
1600
Comment
UC474250
Pyrola picta
H. F. Copeland
1930-7-21
Butte
Jonesville, below cabin Jonesville
Comment
UC474258
Pyrola picta
H. F. Copeland
1928-8-25
1018
Butte
Jonesville, The Summit Jonesville
Comment
SD3510
Pyrola secunda
E. B. Copeland
1930-8-7
434
Butte
Jonesville
1500
Comment
CHSC109595
Pyrus communis
Lowell Ahart; Linnea Hanson, Josephine Guardino
2012-5-14
18109
Butte
Along the horse trail, north of Table 32, about 50 yards south of Vallombrosa Avenue, southwest of Crister, Lower Bidwell Park, Chico.
70
Comment
UC338404
Quercus
Lemmon
Butte
Bidwell's
Comment
UCD47663
Quercus
M. Wiesendanger
1928-6-1
1337
Butte
Introduction Station, Chico.
Comment
CHSC101305
Quercus berberidifolia
Lowell Ahart
2009-4-22
15577
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
HSC32631
Quercus douglasii
Gary S. Lester
1974-4-20
101
Butte
Along Pentz Rd. 300 yds. S of intersection with Clark Rd.
76
Comment
UCR237301
Quercus douglasii
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18758
Butte
Northwestern Sacramento Valley, Cox Lane, 1.3 miles west of its intersection with La Loma Way, c. 10.3 mi. ENE (82 deg. ) of Gridley
91
Comment
CAS-BOT-BC86116
Quercus dumosa
John Thomas Howell
1975-6-15
51080
Butte
about 2 miles from Paradise on Skyway to Chico
396
Comment
SEINET13953256
Quercus dumosa
A. A. Heller
1916-1
12650
Butte
Ten mile house east of Chico in the digger pine belt in thin red clay soil, the rocks igneous.
Comment
CHSC76054
Quercus garryana var. semota
G. F. Hrusa; T. D. Wilfred
1997-5-7
13738
Butte
Sierra Nevada. On SE-facing slopes facing Little Butte Creek above Magalia Reservoir, N of Magalia. [Original Lat./Long. on label is '39 51 N; 121 34 W'].
725
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
JEPS115710
Quercus kelloggii
Lowell Ahart
2009-6-3
15812
Butte
On the north edge of a small open meadow, about 150 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
286
Comment
CHSC90929
Quercus lobata
Lowell Ahart
2005-4-14
11710
Butte
East of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
LA205379
Quercus vacciniifolia
E. B. Copeland;
1931-8-14
626
Butte
Jonesville
1500.0
Comment
CAS-BOT-BC104690
Quercus wislizeni
A. A. Heller
1913-3-2
10689
Butte
Hills two miles N of Oroville
Comment
UC143209
Quercus wislizeni
Mrs. R. M. Austin
Apr 1896
781
Butte
near Chico
Comment
JEPS113212
Quercus wislizeni var. wislizeni
Lowell Ahart
2007-3-28
13597
Butte
About 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville
73
Comment
UC600476
Ranunculus aquatilis var. capillaceus
H. F. Copeland
1920-7-12
Butte
Jonesville; in creek
Comment
POM98907
Ranunculus aquatilis var. capillaceus
C. C. Bruce
1897-04
1892
Butte
[No location data on label]
Comment
CHSC29054
Ranunculus aquatilis var. hispidulus
R. A. Schlising
1980-4-2
3541
Butte
Richvale vernal pools; 1/4 mile S of junction Hwy 162 to Oroville and Hwy 99; along latter and across from Thermalito Afterbay; in ditches.
Comment
CHSC52819
Ranunculus arvensis
R. A. Schlising; F. J. Fuller
1982-5-2
4238
Butte
N of Oroville, ne Table Mt., and s of Cherokee, off Cherokee Road. Roadside ditch.
426
Comment
CAS-BOT-BC378988
Ranunculus arvensis
Lowell Ahart
1977-4-28
s.n.
Butte
Honcut, Peter Ahart Ranch
50
Comment
UC176136
Ranunculus canus var. canus
A. A. Heller
1913-4-7
10727
Butte
Hills six miles north of Oroville
Comment
HSC100728
Ranunculus hebecarpus
Lowell Ahart
2009-4-22
15592
Butte
Along the Guardians Trail, ~100 yd. N of Pine Trail, Upper Bidwell Park, W of the intersection of Hwy. 32 and Ten Mile House Rd., 10 mi. NE of Chico.
382
Comment
CHSC31806
Ranunculus occidentalis var. occidentalis
L. Ahart
1974-3-18
334
Butte
Along North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC110258
Ranunculus occidentalis var. ultramontanus
L. P. Janeway
2012-6-2
10839
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CHSC43729
Ranunculus uncinatus var. parviflorus
Vernon Oswald; M. S. Taylor
1985-5-30
1791
Butte
Four Trees Rd. 0.2 mi w of the S. Branch of Mill Creek. Along the road near an intermittent stream.
810
Comment
RSA4436
Ranunculus uncinatus var. parviflorus
E. B. Copeland
1930-6-29
641
Butte
Jonesville.
1500
Comment
CAS-BOT-BC74179
Raphanus raphanistrum
Lowell Ahart
1980-4-19
2084
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC54389
Raphanus raphanistrum
M. Bailey
1991-3-8
649
Butte
North side of Butte Campus Drive, across from the Fire Training facility, Butte College Campus. Roadside.
76
Comment
CAS-BOT-BC74263
Raphanus sativus
A. A. Heller
1914-3-16
11203
Butte
Low hills 8 miles north of Oroville.
Comment
CHSC62490
Rhamnus ilicifolia
B. Castro
1987-5-18
105
Butte
Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive within general area of Foothill Woodland/Chaparral/Grassland mosaic.
445
Comment
RSA31115
Rhamnus ilicifolia
A. A. Heller
1915-4-20
11847
Butte
2 miles below Centerville in the Sierra foothills
Comment
CDA13732
Rhamnus purshiana var. purshiana
G. F. Hrusa, T. D. Wilfred
1997-6-27
13910
Butte
Sierra Nevada; Feather Falls/Cascade Rd. to USFS 21N22Y, 1 km. E to summit.
Comment
JEPS95615
Rhamnus rubra
Lowell Ahart
1994-6-5
7309
Butte
about 3 1/2 mi SW of Forbestown (S of the intersection of Black Bart Road and Forbestown Road)
609
Comment
RSA754543
Rhamnus tomentella subsp. tomentella
L. Ahart
2009-5-23
15724
Butte
S side of Ten Mile House Road, Upper Bidwell Park, about 1/2 air mile SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
311
Comment
CHSC606
Rhododendron occidentale
T. Morgue
1930-4-27
Butte
Concow reservoir.
1066
Comment
SFV10916
Rhododendron occidentale
M. L. Vincent
1968-6-7
802
Butte
3 miles north of Magalea on Contolenc Road.
Comment
CAS-BOT-BC199745
Rhododendron occidentale var. californicum
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC168126
Rhus aromatica
Mrs. C. C. Bruce
1897-1-1
1819
Butte
Chico
Comment
UC124165
Rhus trilobata
Mrs. R. M. Austin
1896-4
767
Butte
Little Chico Creek
Comment
SD2128
Ribes cereum
E. B. Copeland
1931-6-11
Butte
Jonesville. In the open, Kirby's Meadow.
1800
Comment
UC478512
Ribes inerme var. inerme
E. B. Copeland
1931-5-9
646
Butte
Jonesville
1500
Comment
UCSB63912
Ribes nevadense
Ahart, Lowell
1997-8-1
Butte
on the west side of Little Kimshew Creek; about 1/4 mile east of Table Mountain; about 8 miles (air) northeast of Stirling City
1432
Comment
CAS-BOT-BC198954
Ribes roezlii var. roezlii
E. B. Copeland
1931-5-9
648
Butte
Jonesville
1500
Comment
CHSC37831
Ribes viscosissimum var. viscosissimum
R. A. Schlising; K. Tarp
1982-7-24
4338
Butte
E of Stirling City, below Diversion Dam on West Branch of Feather River, on Retson Road. At streamside.
975
Comment
CHSC3420
Robinia pseudoacacia
Judy Potter
1966-5-2
218
Butte
Physical Science Bridge. Chico State College.
Comment
UC1594677
Rorippa curvisiliqua
Lowell Ahart
1992-3-21
6738
Butte
s Spillway Boat Launch Area (below the high water line Lake Oroville); below the high water line of Lake Oroville
243
Comment
CHSC77982
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2000-5-13
8350
Butte
On the margin of the Thermalito Afterbay, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville.
42
Comment
CHSC90958
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2005-4-18
11741
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
25
Comment
CHSC113450
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2014-7-10
19629
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC42699
Rorippa curvisiliqua var. orientalis
Lowell Ahart
1987-5-6
5512
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC35648
Rorippa palustris var. occidentalis
R. E. Preston
1982-4-7
232
Butte
At bottom of irrigation ditch, on s side of Biggs-Princeton Hwy, 2.4 mi w of Biggs.
24
Comment
CHSC92507
Rorippa palustris var. occidentalis
Lowell Ahart
2005-12-11
12509
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
CHSC20548
Rosa californica
M. S. Taylor
1975-7-4
833
Butte
Ca. 500 yds e of Sacramento River, ca. 10 mi w of Chico.
Comment
SEINET10483517
Rosa gymnocarpa
Lowell Ahart, Peter Ahart
1983-9-21
Ahart 4464
Butte
T20N R8E section 5. Along French Creek, ca. 3 mi n of the Sly Creek Dam, n of Strawberry Valley. Yellow Pine Forest; 900 m.
900
Comment
CHSC109630
Rosa multiflora
Lowell Ahart
2012-5-14
18060
Butte
North side of Big Chico Creek, just east of the bridge across Big Chico Creek, Manzanita Avenue, Middle Bidwell Park, Chico.
79
Comment
JEPS94699
Rosa multiflora
Lowell Ahart
1998-5-2
7958
Butte
about 5 air mi sw of Gridley (on s side of Evans Reimer Road, about 1/4 mi e of Pennington Road); Evans Reimer Road
21
Comment
JEPS103551
Rosa pisocarpa subsp. ahartii
Lowell Ahart
2002-6-2
9680
Butte
N side of Black Bart Road, 1 1/2 mi E of int. of Forbestown Rd and Black Bart Rd, 12 air mi SE of Oroville
548
Comment
CHSC44348
Rosa rubiginosa
Lowell Ahart
1988-4-30
5972
Butte
Near a stream that is 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
CHSC83008
Rosa rubiginosa
Lowell Ahart
2002-9-8
9933
Butte
On the west side of the paved road, about 1/4 mile south of the first parking spaces at the Feather Falls Trailhead, about 1 3/4 miles north by road from the town of Feather Falls.
854
Comment
CHSC3435
Rosmarinus officinalis
Judy Potter
1966-2-16
Butte
South wall Physical Science Building. Chico State College.
Comment
CAS-BOT-BC274227
Rostraria cristata
Lowell Ahart
1982-4-29
3386
Butte
Near the sign in station, Gray Lodge, about 12 miles south-west of Gridley
35
Comment
CAS-BOT-BC279950
Rotala indica
Carl Wick; June McCaskill; G. D. Barbe
1983-9-14
4102
Butte
Cooperative Rice Experiment Station, Biggs
Comment
CHSC116725
Rubus armeniacus
Lowell Ahart
2016-5-24
20867
Butte
On the bottom of a large drainage, about 100 yards north of the ditch, about 100 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
44
Comment
CHSC45811
Rubus armeniacus
L. P. Janeway
1987-5-7
2023
Butte
Table Mtn Rd where it is at the base of the RR fill and overlooking Thermalito Forebay.
91
Comment
CHSC6656
Rubus armeniacus
M. MacArthur
1968-6-17
167
Butte
SW side of Big Chico Creek near Life Science bld., Chico State College campus.
60
Comment
RSA719540
Rubus discolor
Michael A. Vincent, K. Levings
2006-7-29
12886
Butte
NE of Chico along Rte 32.
Comment
SEINET10483568
Rubus glaucifolius
Mary Susan Taylor
1981-5-11
Taylor 3691
Butte
T22N R6E sw/sw sec 19, Pulga SE quad. Jct of French Creek and 22N93, ca. 3.5 mi S of Coyote Gap, ca. 17 air mi NE of Oroville. 2800 ft.
853
Comment
CHSC45815
Rubus laciniatus
L. P. Janeway
1987-5-20
2060
Butte
Near Gold Flat, Hodap Cr, jct of Lunt Rd and Nelson Bar Rd. Cr bottom.
457
Comment
SEINET10483576
Rubus laciniatus
Mary Susan Taylor
1980-4-27
Taylor 2556
Butte
T23N R3E nw sec 27. Paradise quad. Along Middle Butte Creek off of Little Butte Creek in Riparian Woodland, very shady, ca. 1.5 mi SE of Nimshew. With J.D. Jokerst.
610
Comment
SEINET10483580
Rubus laciniatus
Heidi H. Schmidt
1993-6-15
Schmidt 861
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Mixed hardwood forest.
880
Comment
CHSC45817
Rubus parviflorus
L. P. Janeway
1987-6-27
2354
Butte
Overlooking Keyser Cr; 5.4 mi N of Ramsey Bar along the Concow Rd. Edge of rd.
1554
Comment
POM193375
Rubus parviflorus
E. B. Copeland
1930-7-16
419
Butte
Jonesville.
1600
Comment
CHSC26637
Rubus ursinus
M. S. Taylor
1977-11-12
1538
Butte
At very end of Upper Bidwell Park Rd, Chico.
243
Comment
CHSC46864
Rudbeckia hirta var. pulcherrima
Vernon Oswald
1989-8-29
3972
Butte
North side of Butte Creek downstream from the bridge on Humboldt Rd just s of Cherry Hill, ca. 2 mi (air) wsw of Jonesville. Meadow bordering the creek.
1414
Comment
CHSC102831
Rumex conglomeratus
Lowell Ahart
2009-6-18
15912
Butte
On the west side and bottom of the steep bank, about 10 yards west of the dredger piles along North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
59
Comment
JEPS124099
Rumex conglomeratus
Lowell Ahart
2015-6-6
20204
Butte
About 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
JEPS107283
Rumex crispus
Lowell Ahart
2005-4-14
11717
Butte
Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley
28
Comment
CAS-BOT-BC421623
Rumex crispus
Lowell Ahart
1980-5-10
2233
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC433477
Rumex dentatus
M. S. Taylor
1982-5-22
4504
Butte
Graylodge [Gray Lodge] Waterfowl Refuge, in vicinity of parking lot 6, on Rutherford Rd, ca. 1/2 mi e of its jct with Pennington Rd, ca. 12 mi sw of Gridley.
21
Comment
CHSC51275
Rumex salicifolius var. denticulatus
Lowell Ahart
1990-10-3
6619
Butte
On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville.
259
Comment
UC600492
Rumex salicifolius var. triangulivalvis
H. F. Copeland
1932-8-17
Butte
Butte Creek Jonesville
1500
Comment
CAS-BOT-BC434070
Rumex transitorius
A. A. Heller
1914-5-13
11396
Butte
Along Butte Creek between Durham and Nelson
53
Comment
SEINET11924839
Sagina apetala
Unknown
1974-1
391
Butte
Peter Ahart Ranch, about 0.5 m N and 2 mi E of Honcut, about 12 mi S of Oroville
150
Comment
SEINET10537649
Sagina apetala var. barbata
Mary Susan Taylor
1978-4-14
Taylor 1563
Butte
On E side of Williams Road in Valley Grassland, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
30
Comment
POM181762
Sagittaria latifolia
H. F. Copeland
1923-8-14
546
Butte
Nelson.
Comment
CAS-BOT-BC129903
Salix bonplandiana
A. A. Heller
1913-4-4
10694
Butte
Levee at Oroville
Comment
POM219074
Salix boothii
E. B. Copeland
1931-6-11
623
Butte
Jonesville. Kirby's Meadow.
1750
Comment
POM106846
Salix exigua
C. C. Bruce
1897-05
1784
Butte
Little Chico.
Comment
CHSC108837
Salix exigua var. hindsiana
Lowell Ahart
2012-4-17
17884
Butte
Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
35
Comment
JEPS119591
Salix exigua var. hindsiana
Lowell Ahart
2012-4-17
17884
Butte
About 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
Comment
RSA0058981
Salix gooddingii
Lowell A. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17866
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Table 12 & 13, Lower Bidwell Park, Chico.
65
Comment
CAS-BOT-BC104078
Salix hindsiana
A. A. Heller
1914-5-13
11397
Butte
Between Durham and Nelson
Comment
CAS-BOT-BC104079
Salix hindsiana
A. A. Heller
1915-5-16
11870
Butte
Chico-Centerville road 3 miles from Chico
Comment
CHSC102169
Salix laevigata
Lowell Ahart
2009-6-19
15941
Butte
On dry soil, open area north pond and table, about 50 yards south of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
232
Comment
CHSC76836
Salix laevigata
L. P. Janeway
1999-11-15
6625
Butte
Northern Sierra Nevada foothills. Along high water line of Lake Oroville, in ravine below Nelson Bar Road 0.5 mi north-northwest of Lime Saddle.
274
Comment
LA208680
Salix laevigata
A. A. Heller;
1914-3-21
11222
Butte
8 mi N of Oroville
Comment
CAS-BOT-BC125178
Salix lasiandra var. lasiandra
A. A. Heller
1914-7-23
11594
Butte
On the headwaters of Chico Creek in Chico Meadows
1219
Comment
POM107141
Salix lasiolepis
C. C. Bruce
1898-05
2480
Butte
Little Chico
Comment
UC600412
Salix lemmonii
E. B. Copeland
1931-5-9
Butte
Jonesville
1500
Comment
UC456788
Salix melanopsis
E. B. Copeland
1931-5-8
Butte
Sandy Gulch Chico; Hooker Oak Ford, Sandy Gulch
Comment
UC446422
Salix scouleriana
E. B. Copeland
1931-6-11
Butte
Kirby's Meadow
1800
Comment
CDA35057
Salpichroa origanifolia
L. P. Janeway
2010-5-12
Butte
Sacramento Valley; Chico; north side of Little Chico Creek 15-30 m east of Boucher Street bridge; narrow riparian strip between creek and Humboldt Road.
Comment
CHSC48296
Salsola tragus
Vernon Oswald
1985-9-16
1678
Butte
Upper Bidwell park, Chico, in Lindo Channel at Five Mile Recreation Area.
79
Comment
CHSC65569
Salvia sonomensis
R. Banchero
1980-4-27
139
Butte
Ca 6.1 mi NE of jcn of Keefer Rd and Cohasset Rd, ca 1.4 mi E of Cohasset Hwy.
609
Comment
CHSC27253
Sambucus mexicana
P. Moyer
1972-5-7
195
Butte
N bank Chico Ck. By L.S. Bridge. CSUC campus.
60
Comment
CHSC38290
Sambucus mexicana
Vernon Oswald
1983-5-15
497
Butte
Upper Bidwell Park, Chico, between Upper Park Rd. and Chico Creek near the end of the pavement.
91
Comment
CHSC46832
Sambucus mexicana
R. A. Schlising
1987-7-19
4535
Butte
Coon Hollow.
Comment
UC102282
Sambucus mexicana
Mrs. R. M. Austin
1896-7
612
Butte
Colby
Comment
UC1575631
Sambucus mexicana
Dr. Edward Palmer
Jun 7 1892-Jun 12 1892
2095
Butte
near Chico
Comment
CAS-BOT-BC238613
Sambucus nigra subsp. caerulea
Lowell Ahart
1980-5-12
2254
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC61636
Sambucus racemosa var. microbotrys
Lowell Ahart
1993-9-8
7163
Butte
About 1 mile east of Snow mountain.
2072
Comment
SEINET12121443
Sanicula bipinnata
S. E. Bigbee
1984-1
35
Butte
ca 50 yds S of Butte Creek & ca 320 yds W of Covered Bridge, 6.2 i ESE of Chico
121
Comment
POM82753
Sanicula bipinnatifida
C. C. Bruce
1897-05
2057
Butte
Little Chico
Comment
UC217478
Sanicula bipinnatifida
H. M. Hall
1917-5-13
10301
Butte
Paradise
Comment
UC600514
Sanicula graveolens
E. B. Copeland
1931-7-12
Butte
ridge between Jones and Willow Creeks Jonesville
1700
Comment
CHSC42672
Sanicula tuberosa
Vernon Oswald
1985-4-3
1696
Butte
Concow Rd. n of Lake Concow.
792
Comment
POM219371
Sanicula tuberosa
H. F. Copeland
1931-6-9
1524
Butte
Near Jones Creek
Comment
RSA4229
Sanicula tuberosa
E. B. Copeland
1929-7-20
389
Butte
Jonesville.
1500
Comment
SEINET10454591
Sanicula tuberosa
Mary Susan Taylor
1980-4-18
Taylor 2521
Butte
E side of Humbug Road, ca. 2 mi NE of Centerville; on dry bluff. With J.D. Jokerst.
488
Comment
CHSC32126
Saponaria officinalis
L. Ahart
1974-10-22
668
Butte
By rd near Sly Creek Dam, near Pinkard Creek which is near Sly Creek Reservoir.
762
Comment
SEINET10483042
Saxifraga californica
Mary Susan Taylor, K. Tharp
1983-3-12
Taylor 5235
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
SEINET10939792
Scandix pecten-veneris
Mary Susan Taylor
1981-5-1
Taylor 3589
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
CHSC44619
Sceptridium multifidum
Vernon Oswald
1985-9-2
1935
Butte
Concow Rd. ca. 6 air miles nne of Lake Concow at Rag Dump. Near Fall Creek.
1170
Comment
RSA0101644
Sceptridium multifidum
Harvey Monroe Hall
1914-7-30
9805
Butte
Jonesville.
1524
Comment
CAS-BOT-BC111374
Schoenoplectus acutus var. occidentalis
Lowell Ahart
1981-8-31
3061
Butte
Wyandotte Lake, E or Oroville.
450
Comment
UCD49965
Schoenoplectus mucronatus
Bellue
1947-9-11
s.n.
Butte
Afton Road, near Biggs.
Comment
CHSC78321
Scirpus congdonii
Lowell Ahart
2000-6-29
8547
Butte
By the road culvert, on the northwest side of Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
CAS-BOT-BC30729
Scirpus diffusus
M. S. Taylor
1978-7-18
1722
Butte
On n side of Butte Creek at jct of Butte Creek and Old Humboldt Rd, ca. 1 mi w of Cherry Hill Campground.
1524
Comment
CAS-BOT-BC30731
Scirpus diffusus
A. A. Heller
1914-8-6
11638
Butte
Sierra Nevada at Chico Meadows
1219
Comment
UC600702
Scirpus diffusus
H. F. Copeland
1928-8-17
1072
Butte
Jonesville
1524
Comment
UC1100920
Scirpus maritimus
Herbert L. Mason, Verne Grant
1946-8-15
13046
Butte
Greylodge Game Refuge near caretaker's house (Butte Sink); , Greylodge Game Refuge
Comment
SEINET10905684
Scirpus setaceus
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4047
Butte
T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest.
Comment
CHSC34801
Scleranthus annuus subsp. annuus
M. S. Taylor
1980-4-18
2520
Butte
E side of Humbug Rd, ca. 2 mi ne of Centerville. On bluff.
487
Comment
CHSC30028
Scribneria bolanderi
L. Ahart
1980-5-4
2173
Butte
Pasture field southwest of the intersection of Nelson Ave and 20th, Thermalito.
65
Comment
UC887501
Scrophularia californica
A. A. Heller
1916-4-13
12322
Butte
e Chico (Stilson Canyon)
Comment
CHSC27791
Scrophularia californica subsp. floribunda
Steven R. Johnson
1978-4-25
15
Butte
Ca. 22 km n of Chico, ca. 4.8 km s of Cohasset.
590
Comment
CHSC52199
Scutellaria californica
L. P. Janeway
1988-5-29
2702
Butte
Low in cyn of Little Chico Cr ca 2 mi S of Ten Mile House.
243
Comment
CHSC55501
Scutellaria californica
L. P. Janeway
1991-6-8
3994
Butte
Side ravine on south side of Montgomery Bar Ravine, ca 0.3 mi from Lake Oroville high water mark.
377
Comment
CHSC62752
Scutellaria californica
L. P. Janeway; Gail Kuenster, Perrie Cobb, Justine Biddison
1993-5-25
4356
Butte
About 2.2 mi northeast of Lake Wyandotte; along Stringtown Road 1.3 mi northeast of the saddle where the road starts down to Lake Oroville.
381
Comment
POM70087
Scutellaria californica
C. C. Bruce
1897-05
1825
Butte
Little Chico.
Comment
CHSC52201
Scutellaria siphocampyloides
L. P. Janeway
1988-5-19
2674
Butte
Southeast-sloping ravine above Mud Cr and just below Ponderosa Way 0.7 mi from Vilas Rd.
746
Comment
SFV3240
Scutellaria tuberosa
M. L. Vincent
1961-3-26
11
Butte
Sierra Nevada Nelson Bar Road, 1 mile above Feather River bridge toward Pentz Road. Southeast of Paradise
330
Comment
CHSC6149
Secale cereale
E. Parreno
1968-5-10
91
Butte
Vacant lot bordered by Lindo Channel and Manzanita Ave. and opposite to area bounded by Calcewood Way and Ceanothus Ave., Chico.
59
Comment
CHSC90984
Sedella pumila
Lowell Ahart
2005-5-11
11802
Butte
Steep slope on the south side of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the poor dirt road off of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
280
Comment
HSC86855
Sedum spathulifolium
R. Rembowski
1975-4-15
2
Butte
W of Covered Bridge, 8 mi. S of Butte Creek
122
Comment
CAS-BOT-BC62124
Selaginella hansenii
A. A. Heller
1913-4-6
10715
Butte
Hills near Big Chico Creek, east of Chico
Comment
CHSC32766
Selaginella hansenii
J. D. Jokerst
1981-3-29
1277
Butte
Top of North Table Mt, ca 1.0 mi N of Cherokee Rd.
373
Comment
SEINET10470986
Selaginella hansenii
A. Arthur Heller
1913-4-6
Heller 10715
Butte
Hills near Big Chico Creek, east of Chico.
Comment
UCD135979
Selaginella hansenii
L. Ahart
1974-1-6
294
Butte
Peter Ahart Ranch, Honcut; along North Honcut Creek.
45
Comment
CHSC28532
Selaginella wallacei
M. S. Taylor; J. D. Jokerst, L. Ahart
1979-11-15
2289
Butte
North Honcut Creek, Peter Ahart Ranch, Honcut.
45
Comment
CHSC86441
Senecio eurycephalus var. lewisrosei
Jenny Marr
1993-7-1
93
Butte
Located in Northern Sierra Nevada, between Concow and Pulga, on a serpentine outcrop belonging to LNF. Site approx. 4 air miles NE of Concow Reservoir.
1105
Comment
CHSC86445
Senecio eurycephalus var. lewisrosei
Jenny Marr
1993-7-1
97
Butte
Located in Northern Sierra Nevada, between Concow and Pulga, on a serpentine outcrop belonging to LNF. Site approx. 4 air miles NE of Concow Reservoir.
1105
Comment
CAS-BOT-BC213666
Senecio lewisrosei
Lewis S. Rose
1939-6-7
39247
Butte
North Fork of Feather River, 3 mi. s. of Pulga, Canyon side
609
Comment
CHSC108815
Senecio sylvaticus
Lowell Ahart
2012-4-9
17832
Butte
On the high east bank of Big Chico Creek, west of the rock corral, east of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
110
Comment
CHSC113470
Senecio sylvaticus
Lowell Ahart
2014-7-10
19607
Butte
On the east side of the Skyway, about 1 1/4 miles (by road) south of the intersection of Skyway and Humbug Summit Road.
1575
Comment
CHSC94012
Senecio sylvaticus
R. Fischer
2005-4-30
675
Butte
Collection from along Hwy. 32, ca. 5 miles north of Chico on the Big Chico Creek Ecological Reserve, on a canyon edge trail called the Overlook.
518
Comment
CHSC69107
Senecio triangularis
Lowell Ahart
1997-8-1
7767
Butte
On the east side of Little Kimshew Creek, where the basalt is eight sided, Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
UC179694
Senecio triangularis
A. A. Heller
1914-7-23
11591
Butte
Chico Chico meadows
1219
Comment
CHSC113286
Senecio vulgaris
Lowell Ahart
2014-4-15
19353
Butte
Steep sides of rocky point, below the high water line of Lake Oroville, about 250 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam.
253
Comment
JEPS115244
Senecio vulgaris
Lowell Ahart
2009-4-3
15523
Butte
Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
JEPS122269
Senecio vulgaris
Lowell Ahart
2014-4-9
19329
Butte
On the north side of Colusa Highway, about 4/10 mile east of the intersection of Pennington Road and Colusa Highway, about 5 1/2 miles west of Gridley.
Comment
CAS-BOT-BC364547
Senecio vulgaris
Lowell Ahart
1986-11-7
5421
Butte
East of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley
28
Comment
CHSC69442
Sericocarpus oregonensis
Lowell Ahart
1997-9-6
7890
Butte
Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir.
731
Comment
HSC72953
Sericocarpus oregonensis subsp. californicus
M. S. Taylor
1980-9-12
3328
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 road
976
Comment
CDA43366
Sesbania punicea
D. G. Kelch
2012-9-19
12 .354
Butte
Oroville, immediately west of sewage treatment plant.
Comment
JEPS98502
Sesbania punicea
Lowell Ahart
2000-8-23
8660
Butte
On the margins of a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
42
Comment
RSA724851
Setaria parviflora
L. Ahart
2006-9-28
13383
Butte
on the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
CAS-BOT-BC240120
Setaria pumila
John Thomas Howell
1961-9-22
36765
Butte
North Fork of Feather River, 10 miles from Oroville
Comment
UCD92723
Setaria pumila
G. F. Hrusa; T. D. Wilfred
1996-9-6
13573
Butte
on E side of Butte Creek, approx. 1/2 mile NE of confluence with Howard Slough and immediately below McPherrin Dam (private and scheduled for removal).
23
Comment
CHSC97725
Setaria sphacelata
Lowell Ahart
2007-11-3
14563
Butte
Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise.
259
Comment
CHSC79358
Sherardia arvensis
M. S. Taylor; J. Jokerst
1980-5-15
2628
Butte
Ca. 1/4 mi E of Cohasset Rd, ca. 9 mi NE of Chico.
396
Comment
JEPS115247
Sherardia arvensis
Lowell Ahart
2009-4-3
15533
Butte
Along the north margin of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
RSA325096
Sherardia arvensis
M. S. Taylor
1981-5-1
3585
Butte
E side of Hwy 70. Ca 4 air miles NW of Oroville.
91
Comment
SEINET10448357
Sibara virginica
Lowell Ahart
1985-4-1
Ahart 4871 A
Butte
On damp bare soil along Wyandotte Creek and Central House Road, north-west of Honcut, about 12 miles south of Oroville.
Comment
POM193377
Sibbaldia procumbens
E. B. Copeland
1930-7-6
418
Butte
Jonesville.
2000
Comment
LA205920
Sidalcea asprella subsp. asprella
C. L. Hitchcock;
1952-5-28
19536
Butte
Oroville - Forbestown Road, about 8 mi. E of Oroville
Comment
CHSC13725
Sidalcea calycosa
J. G. Moore
1970-5-25
151
Butte
Growing on a small stream. Paradise Golf Course, Paradise.
Comment
CHSC61324
Sidalcea gigantea
Lowell Ahart
1993-7-22
7083
Butte
On gravel bar along Fall River, west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
CHSC13727
Sidalcea hartwegii
J. G. Moore
1969-5-1
142
Butte
Hwy. 32, 12 mi. e of Chico.
Comment
CHSC44086
Sidalcea hartwegii
John E. Hunter
1986-3-28
36
Butte
9.6 mi. e of Hwy. 99 and .1 mi. n Hwy. 32.
Comment
CHSC90104
Sidalcea hartwegii
M. A. Carlson
1991-4-12
18
Butte
Renkow Road 0.4 mi east of Meridian Road, 12 mi north of Chico.
70
Comment
UC725875
Sidalcea hartwegii
A. A. Heller
1926-4-28
13934
Butte
near Little Chico Creek; near Little Chico Creek
Comment
CHSC1047
Sidalcea hirsuta
F. Johnson
1937-5-20
Butte
Near old radio transmitter on Madrone St.
57
Comment
UCD149878
Sidalcea hirsuta
M. F.
1974-5-13
s.n.
Butte
Gray Lodge Wildlife Area, Field 5.
Comment
CHSC43169
Sidalcea oregana subsp. spicata
Robert Banchero; R. A. Schlising
1979-9-2
31
Butte
Humbolt Rd at Butte Crk, 5.3 mi ne jct Hwy 32 and Humbolt Rd.
1341
Comment
RSA4491
Sidalcea oregana subsp. spicata
E. B. Copeland
1930-7-15
659
Butte
Jonesville.
Comment
CAS-BOT-BC384468
Silene antirrhina
Lowell Ahart
1983-7-29
4243
Butte
About 1 mile east of Milsap Bar, about 25 miles north-east of Oroville
750
Comment
CAS-BOT-BC387069
Silene gallica
Lowell Ahart
1988-5-12
5988
Butte
about .25 mile NE of the Honcut Cemetery, Joie Osgood Ranch, about 3.5 miles E and 1.5 miles N of Honcut
60
Comment
CHSC31020
Silene laciniata subsp. californica
M. S. Taylor
1980-10-6
3353
Butte
S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with N fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop.
487
Comment
UCD99006
Silene laciniata subsp. californica
Frank Polach
1967-4-22
15
Butte
1/2 mile from railroad, Feather Falls.
914
Comment
CAS-BOT-BC389292
Silene lemmonii
H. F. Copeland
1920-8-2
196
Butte
Jonesville
1219
Comment
UC600622
Silene lemmonii
H. F. Copeland
1930-7-21
Butte
Jonesville
Comment
CHSC38425
Sisymbrium officinale
Vernon Oswald
1983-4-4
276
Butte
Upper Bidwell Park, Chico, on the north rim of the level of Horseshoe L.
146
Comment
JEPS119982
Sisymbrium officinale
Lowell Ahart
2012-4-30
17933
Butte
On the sides of Bloody Pin Trail, about 100 yards west of Guardian Trail about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
CAS-BOT-BC135399
Sisyrinchium
H. F. Copeland
1920-8-29
165
Butte
Jonesville Meadow
1219
Comment
UC726126
Smilacina stellata
A. A. Heller
1919-5-17
13153
Butte
near Stirling; Feather River
975
Comment
CHSC92478
Solanum americanum
Lowell Ahart
2005-11-20
12492
Butte
On the east side of the North Fork of the Feather River, about 50 yards southwest of the Poe Power House.
275
Comment
JEPS115053
Solanum americanum
Lowell Ahart
2007-11-3
14573
Butte
Below the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about 3/4 mile north of the Lime Saddle Campground, about 5 1/4 miles (air) southeast of Paradise
257
Comment
RSA724846
Solanum americanum
L. Ahart
2006-9-28
13377
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
CDA41197
Solanum parishii
L. Ahart
2006-5-19
12633
Butte
On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
Comment
CHSC87448
Solanum parishii
R. D. Fischer
2004-3-29
82
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found along northern end of Humboldt Trail.
429
Comment
CHSC76346
Solanum rostratum
Paul Maslin
1999-7-7
Butte
Campus of California State University, Chico; between the Continuing Education building and Big Chico Creek. In flower beds.
59
Comment
SEINET7262102
Solanum xanti
E. B. Copeland
1930-7-27
453
Butte
Jonesville
Comment
POM173671
Solidago canadensis subsp. elongata
H. F. Copeland
1927-9-4
962
Butte
Jonesville.
Comment
CAS-BOT-BC365380
Solidago elongata
A. A. Heller
1914-7-23
11611
Butte
Chico Meadows
1219
Comment
CHSC422
Solidago velutina subsp. californica
E. Walker
1932-8-21
Butte
Paradise.
Comment
CHSC44899
Sonchus asper
Lowell Ahart
1988-7-31
6155
Butte
Along the road gutter, north of 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
CHSC107248
Sonchus asper subsp. asper
Lowell Ahart
2011-6-3
17359
Butte
Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. Urban.
60
Comment
CHSC108129
Sonchus asper subsp. asper
Lowell Ahart
2011-10-29
17723
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
CHSC108785
Sonchus asper subsp. asper
L. P. Janeway
2011-6-7
10363
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
CHSC113306
Sonchus asper subsp. asper
Lowell Ahart
2014-4-9
19334
Butte
West edge of Pennington Road, at the intersection of Pennington Road and Colusa Highway, about 6 miles west of Gridley.
22
Comment
CHSC111368
Sonchus oleraceus
Lowell Ahart
2012-5-14
18061
Butte
Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico.
79
Comment
JEPS115664
Sonchus oleraceus
Lowell Ahart
2009-5-30
15791
Butte
By a small rock about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
269
Comment
CHSC37529
Sonchus tenerrimus
M. S. Taylor; L. Ahart
1982-10-11
5050
Butte
Graylodge Wildlife Refuge, near check-in station, sw jct of Pennington and Rutherford Rds, ca. 12 mi sw of Gridley.
21
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
CHSC6055
Sorghum halepense
M. MacArthur
1968-6-19
238
Butte
Ca. 15 ft. SE Big Chico Creek, opposited LS bld., Chico State College.
60
Comment
CHSC20120
Spartium junceum
M. S. Taylor
1975-4-26
524
Butte
Scattered on e side of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
609
Comment
SEINET10487734
Spartium junceum
Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney
1973-6-5
Conrad 7035
Butte
Roadside in paradise. Corolla lemon yellow. Spanish broom.
792
Comment
RSA713000
Spergula arvensis
L. Ahart
2006-4-23
12533
Butte
On W side of Cherokee Road, about 200 yards S of the cattle chute and parking area, North Table Mountain, about 7 miles (air) N of Oroville.
424
Comment
CHSC78139
Spergula arvensis subsp. arvensis
Lowell Ahart
2000-5-23
6388
Butte
On the bottom of a small wash, about 100 yards southeast of the barn, about 1/4 mile northeast of the Honcut Cemetery, about 4 miles northeast of Honcut, about 13 miles (air) southeast of Oroville.
54
Comment
JEPS107747
Spergularia bocconi
Lowell Ahart
2005-5-28
11827
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
CHSC94891
Spergularia rubra
Lowell Ahart
2006-9-28
13367
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
SEINET10483632
Spiraea prunifolia
Mary Susan Taylor
Taylor 444
Butte
Campus of the California State University, Chico.
61
Comment
CAS-BOT-BC421452
Spiraea splendens
A. A. Heller
1914-8-7
11665
Butte
Summit back and east of Jonesville, on a north slope just below the crest of the ridge
2133
Comment
CHSC45023
Spondias dulcis
L. P. Janeway
1988-9-9
Butte
Chico; in hort by K. R. Stern
Comment
JEPS87381
Stachys ajugoides var. ajugoides
Lowell Ahart
1993-6-19
6973
Butte
8 mi w Gridley (on w side of Hatch Road (Goodspeed Watt Road))
21
Comment
CHSC44403
Stachys ajugoides var. rigida
Lowell Ahart
1988-6-23
6063
Butte
North of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
CHSC52205
Stachys ajugoides var. rigida
L. P. Janeway
1988-7-2
2957
Butte
Along road to Coyote Gap 2.6 mi from bridge on French Cr.
982
Comment
CHSC79523
Stachys ajugoides var. rigida
G. F. Hrusa; T. D. Wilfred
1997-7-3
13969
Butte
Northern California. Sierra Nevada. NE side of upper end of Paradise Lake. Where last tributaries from E enter. [Lat./Long. on label is '39 52 N; 121 35 W'].
810
Comment
CHSC84886
Stachys ajugoides var. rigida
R. D. Fischer
2003-6-22
3
Butte
Chico Meadows near Butte Meadows. South side of rd. 26N09 as it passes through northern end of mdw. Near fence line of Boy Scout Camp, Camp Lassen.
1280
Comment
POM17346
Stachys emersonii
A. A. Heller, H. E. Brown, A. H. Heller
1902-5-10
5521
Butte
Berry Canyon (Near Clear Creek).
Comment
CHSC108744
Stachys pycnantha
B. Castro; L. P. Janeway
2002-8-11
1380
Butte
Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River.
670
Comment
CHSC48500
Stachys pycnantha
Vernon H. Oswald
1986-7-7
2185
Butte
Millsqap Bar Rd. 3.6 mi e of Bald Rock Rd. near Brush Creek.
914
Comment
CHSC89466
Stachys pycnantha
R. D. Fischer
2004-7-18
447
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at bottom of 10 Mile House Road near end of park property. Along drainage between road and Big Chico Creek.
216
Comment
JEPS118641
Stachys pycnantha
B. Castro and L. P. Janeway
2002-8-11
1380
Butte
Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River. Berry Creek 7.5' Quad.
Comment
POM181715
Stachys rigida subsp. quercetorum
H. F. Copeland
1923-4-6
213
Butte
Nelson.
Comment
CHSC52077
Stachys stricta
B. Castro
1987-7-24
187
Butte
Between curve in Table Mtn Blvd and the W. Pacific RR line.
103
Comment
CHSC52207
Stachys stricta
L. P. Janeway
1988-6-26
2882
Butte
SE rim of Coon Ridge, overlooking Nance Cyn; ca 0.6 mi NE of the power lines (high voltage). S-facing seep at the rim.
182
Comment
CHSC45266
Stellaria calycantha
V. Oswald; L. Ahart
1988-10-6
3706
Butte
Meadow near the headwaters of Big Kimshew Creek, ca. 1.5 mi (air) ne of Jones Meadow. On the bed of the creek.
1889
Comment
CHSC61309
Stellaria crispa
Lowell Ahart
1993-7-22
7089
Butte
In the campground on the west side of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
CHSC41254
Stellaria longipes var. longipes
S. C. Morey
1983-7-21
470
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC35039
Stellaria nitens
R. Schlising; J. D. Jokerst, R. Banchero
1981-3-22
4003
Butte
NW of Oroville and N of Thermalito Forebay, in Campbell Hills.
106
Comment
CHSC58904
Stellaria obtusa
Lowell Ahart
1992-7-21
6817
Butte
Along a small wash and in meadows, north-west of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
UC392186
Stephanomeria lactucina
E. B. Copeland
July 1929
Butte
Jonesville
Comment
LA9449
Stipa lettermanii
E. B. Copeland;
1929-7-16
342
Butte
Jonesville
1550.0
Comment
JEPS120098
Stipa miliacea var. miliacea
Lowell Ahart
2012-6-21
18216
Butte
On the south side of Big Chico Creek, about 20 yards west of the Freeway, Lower Bidwell Park, Chico.
Comment
SEINET10508399
Stipa pulchra
Mary Susan Taylor
1979-5-4
Taylor 1997
Butte
Along Millsap Bar Road, 4 mi NE of its junction with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest.
1006
Comment
CHSC4162
Streptanthus diversifolius
R. Carter
1966-4-21
349
Butte
Found ca. 5 mi. NE of Oroville on top Table Mt.; 10 yds. off E side Old Cherokee Rd., 6.55 mi. from Chico Rd.
274
Comment
UCSB63727
Streptanthus diversifolius
Ramsey, Ellen
1986-4-1
Butte
N end of Table Mountain ca. 400 yds. W of Table Mountain Cherokee Road ca. 6 mi. N of Oroville
243
Comment
CHSC93961
Streptanthus longisiliquus
R. D. Fischer
2004-6-20
757
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Plants collected roadside off eroded, gravelly volcanic soil.
1417
Comment
CHSC555
Streptanthus polygaloides
R. Carter
1964-6-15
127
Butte
Feather R. Canyon, 3/4 mi. E of Pulga turnoff on Hwy. 40A on S side of highway.
609
Comment
CHSC95054
Streptanthus polygaloides
L. P. Janeway
2006-5-28
8647
Butte
Northern High Sierra Nevada. Northwest side of Rim Road (Ponderosa Way) at southern end of Rocky Ridge and southern end of its serpentine openings. Southeast-facing slope near ridge top.
847
Comment
UCD116302
Streptanthus tortuosus
Robert E. Preston
1984-6-19
462
Butte
12 km NE of Oroville, Oro-Quincy Hwy on north side of Canyon Creek bridge.
305
Comment
CHSC36693
Streptanthus tortuosus var. suffrutescens
R. E. Preston
1982-4-25
267
Butte
Cape Horn, w fork of Lake Oroville, ca. 4.5 mi se of Paradise.
426
Comment
LA44530
Styrax redivivus
A. A. Heller;
1915-5-25
11891
Butte
Sierra Nevada, ridge above Enterprise
609
Comment
UCD67369
Styrax redivivus
Leslie Goldberg
1992-5-16
17
Butte
Pulga, side of Road along north fork Feather River.
Comment
CHSC51880
Swertia albicaulis var. nitida
L. P. Janeway
1987-6-13
2196
Butte
Along Ponderosa Way (Rim Rd) 3.8 mi NE of Jarbo Gap.
883
Comment
CHSC40316
Symphoricarpos mollis
Lowell Ahart
1985-5-22
5026
Butte
About 1/2 mile east of Little Bald Rock.
1066
Comment
SEINET10905399
Symphoricarpos rivularis
Mary Susan Taylor
1979-10-13
Taylor 2266
Butte
T22N R4E se 1/4 sec 5. Riparian Wood land along creek on Jordan Hill Road (Ponderosa Way on some maps), ca. 7.1 mi N of its jct with Concow Road, ca. 2 mi SE of Magalia. With Jim Jokerst.
610
Comment
CAS-BOT-BC98957
Symphyotrichum foliaceum var. parryi
A. A. Heller
1928-7-25
14697
Butte
Along the forest service trail between Jonesville and Butte Creek House
Comment
JEPS58975
Symphyotrichum spathulatum
J. Thomas Howell
1961-9-22
36727
Butte
Oroville Sierra Nevada, Feather River
53
Comment
CHSC69037
Symphyotrichum spathulatum var. spathulatum
Lowell Ahart
1997-8-1
7784
Butte
Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
JEPS115151
Symphyotrichum subspicatum
Lowell Ahart
2009-11-19
16553
Butte
On the east side of Big Chico Creek, southwest of the meadow, about 30 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
CHSC37076
Symphyotrichum subulatum var. parviflorum
Lowell Ahart
1982-9-9
3767
Butte
Ca 100 m N of check-in station, Graylodge Wildlife Refuge, ca 12 mi SW of Gridley.
35
Comment
CAS-BOT-BC221937
Taeniatherum caput-medusae
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
UC1609372
Tauschia kelloggii
Lowell Ahart
1993-6-26
7029
Butte
about 1 mi w Lost Creek Reservoir (w side of the dirt road); Mooreville Ridge, w of the Lost Creek Reservoir
1188
Comment
CHSC12405
Tellima grandiflora
Lowell Ahart
1973-5-31
Butte
Near Little North Fork, Feather River.
1066
Comment
CAS-BOT-BC392313
Thalictrum fendleri
H. F. Copeland
1920-8-29
155
Butte
Jonesville
1219
Comment
CHSC51064
Thalictrum fendleri var. fendleri
Kirsten Tarp
1983-8-12
350
Butte
E of Philbrook Reservoir. In small stream.
1889
Comment
CHSC111385
Thalictrum fendleri var. polycarpum
Lowell Ahart
2012-4-30
17946
Butte
On the south side of the path, near the sign, southwest of the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
80
Comment
CAS-BOT-BC77719
Thelypteris nevadensis
Lowell Ahart
1981-9-15
3154
Butte
One half mile N of the Lost Creek Reservoir
1100
Comment
CAS-BOT-BC88199
Thysanocarpus curvipes
A. A. Heller; H. E. Brown
1902-5-12
5528
Butte
Berry Canyon (near Clear Creek).
Comment
CHSC3245
Thysanocarpus curvipes
Virginia Hagaman
1966-3-2
10
Butte
3.2 miles north of 99E on Neal Road.
243
Comment
CHSC3589
Thysanocarpus curvipes
Susan Carrauthers
1966-2-28
31
Butte
Ca. 3 mi N.E. of Bidwell Golf Course and ca. near Salmon Hole of Chico Creek. 8 mi N.E. of city of Chico.
Comment
CHSC3774
Thysanocarpus curvipes
R. L. Adams
1964-3-24
85
Butte
1 mi. W. Chico on W. Sacramento Ave. on S. side of road in orchard 20' from road. W. of Chico.
Comment
CHSC43452
Thysanocarpus curvipes
Lowell Ahart
1978-4-19
1657
Butte
At the overlook at Feather Falls, about 6 miles north of the town of Feather Falls.
548
Comment
CAS-BOT-BC88221
Thysanocarpus curvipes
Lowell Ahart
1981-4-6
2741
Butte
Near the old homestead on the south side of the South Butte, Sutter Buttes.
350
Comment
CAS-BOT-BC88222
Thysanocarpus curvipes
Lowell Ahart
1982-3-13
3251
Butte
About 100 meters west of the dam that is aobut 0.5 mile east of Richardson Springs, about 12 miles northeast of Chico.
160
Comment
SEINET10448592
Thysanocarpus curvipes
Mary Susan Taylor
1975-4-26
Taylor 520
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
CHSC38427
Thysanocarpus curvipes var. elegans
Vernon Oswald
1983-5-14
482