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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CHSC88614
Abies concolor
H. Gray
2003-6-3
Butte
Plumas National Forest. Parking Lot, Bald Rock Trail.
792
Comment
JEPS117174
Abies magnifica var. magnifica
Lowell Ahart
2010-9-21
17196
Butte
On the west side of the County Road, about 1/4 mile north of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1911
Comment
CHSC3266
Acer buergerianum
M. L. Hillier
1966-2-4
Butte
Bidwell Park Nature Trail near Cedar Grove.
Comment
CAS-BOT-BC330613
Acer glabrum var. glabrum
A. A. Heller
1915-6-16
12025
Butte
Summit of the Sierra Nevada above Jonesville
2133
Comment
CAS-BOT-BC331603
Acer macrophyllum
A. A. Heller
1919-5-17
13166
Butte
Banks of the Feather River near Stirling
Comment
SEINET10453999
Acer negundo subsp. californicum
Mary Susan Taylor
Taylor 441
Butte
Campus of the California State University, Chico.
61
Comment
CHSC28676
Achillea millefolium
M. S. Taylor
1978-7-19
1750
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
CHSC63803
Achillea millefolium
S. C. Morey
1983-7-28
634
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CAS-BOT-BC210642
Achnatherum lemmonii
John Thomas Howell
1962-6-16
37491
Butte
Magalia
731
Comment
CHSC92647
Achnatherum lemmonii
L. P. Janeway
2005-5-29
8415
Butte
Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga.
960
Comment
CAS-BOT-BC216462
Achnatherum occidentale subsp. californicum
A. A. Heller
1914-6-22
11501
Butte
About Chico Meadows
1219
Comment
UCR187085
Achyrachaena mollis
Anna M. Hurlbutt, C. R. Weeks
2007-4-26
007
Butte
Sierra Nevada Mtns., Paradise, < 0.25 mi N of Skyway, c. 5 mi E of Oroville Reservoir, bluffs above Hamlin Canyon, formed by Butte Cr. and Little Butte Cr.
488
Comment
UC88434
Achyrachaena mollis
R. M. Austin
Apr 1 1896-Jan 1 1900
799
Butte
Plains
Comment
CHSC6592
Acmispon americanus var. americanus
G. Estrem
1968-5-2
12
Butte
Ca. 5 mi se of Chico on Skyway, ca. 100 yds. s of road in open field.
Comment
CHSC26793
Acmispon brachycarpus
M. S. Taylor
1978-5-6
1571
Butte
By RR tracks, Magalia.
609
Comment
CHSC50408
Acmispon grandiflorus var. macranthus
Vernon Oswald; Lowell Ahart
1990-6-27
4324
Butte
Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) north-northeast of Junction House (site).
1097
Comment
CHSC38500
Acmispon parviflorus
Vernon Oswald
1983-4-9
300
Butte
Upper Bidwell Park, Chico, beside the North Rim Trail ca. 1.4 mi e of the power lines.
353
Comment
CHSC101143
Acmispon wrangelianus
Lowell Ahart
2009-5-15
15705
Butte
On the east side of Big Chico Creek, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
234
Comment
CHSC2835
Acmispon wrangelianus
David Prall
1965-4-25
29
Butte
Growing on roadside bank, on north side of Humbug Rd. 0.3 miles west of junction with Honeyrun Rd. (cvered Bridge).
152
Comment
CAS-BOT-BC418780
Aconogonon phytolaccifolium
E. B. Copeland
1930-8-4
628
Butte
Jonesville
1500
Comment
CHSC36077
Actaea rubra
R. A. Schlising
1982-6-10
4292
Butte
N of Paradise and Magalia at old Powellton site; forest along Kanaka Creek.
1097
Comment
CHSC53696
Actaea rubra
Kirsten Tarp
1983-7-31
321
Butte
Philbrook Reservoir, sw of store.
1706
Comment
UC203816
Adenocaulon bicolor
A. A. Heller
1917-7-26
12830
Butte
Butte Meadows
1280
Comment
CHSC99560
Adiantum jordanii
L. P. Janeway
2008-6-22
9421
Butte
Northern Sierra Nevada Foothills. Canyon draining on east side of Dark Canyon Road 90 m north of the gate to the boat ramp into Lake Oroville. North-facing slope.
294
Comment
POM120405
Adiantum jordanii
C. C. Bruce
1897-06
1863
Butte
Butte Creek
Comment
CHSC111121
Aesculus californica
Lowell Ahart
2012-5-17
18076
Butte
On the north bank of Big Chico Creek, south of the horse trail, wouthwest of the southwest corner of the old walnut orchard, about 3/5 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
UC138055
Aesculus californica
Mrs. R. M. Austin
May 1896
134
Butte
Little Chico Creek
Comment
SEINET12290260
Agastache parvifolia
Unknown
1967-1
584
Butte
Chico, on the Rd to Eagle Lake Biology Station and Willow Creek
1585
Comment
CHSC32602
Agoseris heterophylla
J. D. Jokerst
1980-5-6
645
Butte
Top of the slope adjacent to Coutelenc Rd ca. 400 m N of its jct with the Skyway. Magalia serpentine.
Comment
CHSC101838
Agoseris retrorsa
Lowell Ahart
2009-5-23
15752
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 100 yards west of the interection of Highway 32 and Ten Mile House Road, on north side of Ten Mile House Road.
461
Comment
UC726518
Agoseris retrorsa
A. A. Heller
1919-5-18
13169
Butte
Stirling
1074
Comment
SEINET10506827
Agropyron
Mary Susan Taylor, Lowell Ahart
1981-8-15
Taylor 4181
Butte
T25N R4E se 1/4 se 1/4 sec 29. Paradise NE quad. Weed lot on N side of the Sky- way in Inskip. Yellow Pine Forest. 4800 ft.
1463
Comment
SEINET10968367
Agropyron
Mary Susan Taylor
1980-7-6
Taylor 3071
Butte
T25N R3E se sec 10, Butte Meadows quad; on W side of Hwy 32, ca. 0.1 mi S of Loma, up on rocky open edge of Yellow Pine Forest. With R.A. Schlising.
1128
Comment
SEINET10810327
Agropyron intermedium
Lowell Ahart
1988-7-24
Ahart 6133
Butte
Topar Wheatgrass. On dry red disturbed bare soil, along the south side of Ponderosa Wy, about 1/2 mile north-west of the intersection of Lower Forbestown Road, west of Sunset Hill, near Forbestown, Butte County. Uncommon. Yellow Pine Forest.
732
Comment
CHSC116333
Agrostis avenacea
Lowell Ahart
2015-10-20
20564
Butte
On the west side of the Feather River, about half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
26
Comment
CHSC69711
Agrostis capillaris
Lowell Ahart
1997-9-27
7915
Butte
Back yard at the Ehmann Home, corner of Lincoln and Robinson Streets, Oroville.
51
Comment
CHSC78352
Agrostis elliottiana
Lowell Ahart
2000-6-27
8531
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.
1066
Comment
JEPS107757
Agrostis elliottiana
Lowell Ahart
2005-5-11
11800
Butte
On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville
354
Comment
JEPS98703
Agrostis elliottiana
Lowell Ahart
2000-5-16
8358
Butte
5 air miles SW of Oroville (Thermalito Afterbay, S and N side of access road to boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
Comment
SEINET3450813
Agrostis exarata
Unknown
2003-6-30
10333
Butte
Forbestown, Forbestown, about 3 air miles north, in the gutter on the north side of Fields Ridge Road, north of the Ponderosa Reservoir
490
Comment
SEINET10507080
Agrostis exarata
Lowell Ahart
1983-8-16
Ahart 4290
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
CAS-BOT-BC139717
Agrostis gigantea
John Thomas Howell
1961-9-22
36709
Butte
Sierra Nevada. Bank of Feather River, Oroville.
53
Comment
CAS-BOT-BC139718
Agrostis gigantea
Lowell Ahart
1981-8-15
3045
Butte
Snag Lake (about 3 miles south of Jonesville).
1524
Comment
UC1260480
Agrostis hendersonii
Lowell Ahart with Sue Taylor, Jim Jokerst, et al.
1980-7-20
2473
Butte
ne of Oroville (w side of Big Bald Rock); Big Bald Rock
1100
Comment
SEINET10868801
Agrostis hyemalis
A. Arthur Heller
1914-7-23
Heller 11613
Butte
Found springly in rather dry soil in Chico Meadows. Discovered originally in the eastern United States this species is now found almost throughout the whole country.
1219
Comment
JEPS110248
Agrostis microphylla
Lowell Ahart
2006-5-3
12560
Butte
On the west side of a small stream, about 50 yards south of the fence, about 1 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
378
Comment
CDA34632
Agrostis pallens
L. Ahart
2009-6-19
15929
Butte
About 30 yards south of the fence and about 100 yards east of Ten Mile House Road, Upper Bidwelll Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CHSC39658
Agrostis pallens
Lowell Ahart
1983-6-21
4091
Butte
Found along Bloomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 31.
450
Comment
CHSC50809
Agrostis pallens
Vernon Oswald; Lowell Ahart
1990-7-31
4418
Butte
Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow.
899
Comment
CAS-BOT-BC138775
Agrostis scabra
John Thomas Howell
1961-9-22
36715
Butte
Sierra Nevada. Bank of Feather River. Oroville.
53
Comment
CHSC49502
Agrostis stolonifera
Vernon Oswald
1987-7-20
3140
Butte
Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between the dam for Crouch Ditch and the double set of transmission lines.
82
Comment
RSA716149
Agrostis stolonifera
L. Ahart
2005-7-13
12150
Butte
About 20 yards east of the intersection of Forbestown road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville.
759
Comment
SEINET10507126
Agrostis stolonifera
Mary Susan Taylor
1978-7-21
Taylor 1796
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
CHSC42839
Agrostis viridis
Lowell Ahart
1987-5-27
5700
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC31712
Aira caryophyllea
L. Ahart
1975-5-12
773
Butte
Peter Ahart Ranch, Honcut.
45
Comment
RSA715919
Aira caryophyllea
L. P. Janeway
2005-10-3
8345
Butte
Cascade Range Foothills. East edge of city of Chico; North side of Humboldt Road. 1.8 km Northeast of Bruce Road.
134
Comment
CAS-BOT-BC138413
Aira caryophyllea var. capillaris
Lowell Ahart
1980-5-4
2174
Butte
Thermalito.
65
Comment
SEINET3449085
Alisma lanceolatum
Unknown
2003-6-23
10303
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
CHSC94791
Alisma triviale
Lowell Ahart
2006-10-8
13437
Butte
Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
609
Comment
CHSC96091
Alisma triviale
L. P. Janeway
2006-7-19
8817
Butte
Sacramento Valley. Waterfowl brood pond on shallow arm of Thermalito Afterbay, 225 m east of Wilber Road, 2.1 km south of Hwy 162.
41
Comment
CAS-BOT-BC445435
Alisma triviale
A. A. Heller
1914-7-31
11630
Butte
Sacramento Valley about 6 miles northwest of Chico. Chico-Hamilton road, 6 miles from Chico.
Comment
SEINET10465410
Alisma triviale
Mary Susan Taylor
1979-11-11
Taylor 2285
Butte
T20 N R1E. Ca. 6 mi S of Chico, on W side of Goodspeed-Watt Road. With Jim Jokerst.
34
Comment
CAS-BOT-BC131911
Allium
John Thomas Howell
1955-6-15
30514
Butte
West Branch of North Fork of Feather River
182
Comment
SEINET10471917
Allium
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5512
Butte
Trees Road between Hwy 70 and Coyote Gap, ca. 25 air mi NE of Oroville. Yellow Pine Forest.
Comment
CHSC101291
Allium amplectens
Lowell Ahart
2009-4-17
15560
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
CHSC4638
Allium amplectens
R. Carter
1966-4-21
354
Butte
Found ca. 5 mi. NE of Oroville on top Table Mt.; growing 15 yds. Off E side Old Cherokee Rd., 5.5 mi from Chico Rd.
274
Comment
UCD73057
Allium amplectens
Ayzik Solomeshch
2003-4-9
s. n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road.
Comment
HSC32830
Allium amplectens
Steven Lagos
1974-4-20
9
Butte
Skyway Rd.
Comment
SBBG17107
Allium amplectens
M. Vincent
1960-4-15
176
Butte
Pentz Rd, 12 mi S of Paradise
Comment
SEINET12039538
Allium amplectens
E. D. Osman
1978-1
27
Butte
20 mi NNE of Chico and 200 yds N of Cohasset Hwy
975
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
CHSC25016
Allium campanulatum
E. B. Copeland
1929-7-3
350
Butte
Jonesville.
1550
Comment
JEPS27141
Allium cratericola
A. A. Heller
1938-4-3
15012
Butte
summit Table Mt.
304
Comment
CHSC75936
Allium jepsonii
G. F. Hrusa; T. D. Wilfred
1997-7-3
13990
Butte
Sierra Nevada. Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Incomplete Lat./Long. on label is '39 51 N; 121 34 W'].
740
Comment
RSA32794
Allium membranaceum
A. A. Heller
1938-5-28
15113
Butte
Along the Feather River Highway east side of Jarboe Pass, 22 miles from Oroville.
610
Comment
CAS-BOT-BC472971
Allium membranaceum
Lewis S. Rose
1937-6-10
37371
Butte
Forbestown
838
Comment
CHSC36946
Allium obtusum var. conspicuum
R. A. Schlising; F. J. Fuller, S. Morey
1982-5-23
4253
Butte
N of Forest Ranch, off Hwy 32. Above W Branch of Butte Creek.
883
Comment
CHSC42482
Allium platycaule
Lowell Ahart
1987-5-22
5675
Butte
North 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-BC475451
Allium serra
A. A. Heller
1902-5-13
5538
Butte
Grade between Clear Creek and Paradise
Comment
CAS-BOT-BC476714
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville
1500
Comment
CHSC34996
Allophyllum divaricatum
R. Schlising; R. Banchero
1981-6-16
4085
Butte
N of Cohasset.
1097
Comment
SEINET10496947
Allophyllum integrifolium
Lowell Ahart
1983-8-16
Ahart 4298
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
CHSC46714
Alopecurus aequalis
V. Oswald; L. Ahart
1989-8-22
3957
Butte
Butte Creek House Meadow on the e side of Humbug Rd, ca. 3.5 mi (air) se of Jonesville.
1767
Comment
CAS-BOT-BC138037
Alopecurus carolinianus
Lowell Ahart
1987-5-10
5606
Butte
In an idle rice field, 1/8 mile south of Central House Road, east of the Western Pacific Railroad, about 1.5 mile north and 1 mile west of Honcut, about 12 miles south of Oroville.
30
Comment
CHSC35649
Alopecurus carolinianus
R. E. Preston
1982-4-7
233
Butte
On banks of irrigation ditch which crosses Biggs-Princeton Hwy ca. 2.4 mi w of Biggs.
24
Comment
JEPS122216
Alopecurus carolinianus
Lowell Ahart
2014-4-16
19368
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
Comment
SEINET10661090
Alopecurus carolinianus
Lowell Ahart
2005-4-14
Ahart 11716
Butte
T18N, R2E, southeast 1/4 Section 36. About 200 feet east of the railroad tracks, north of Spruce Street, Gridlley.
28
Comment
UCD14592
Alopecurus carolinianus
Carl M. Wick
1986-4-2
s.n.
Butte
California, Butte Co.; 1/2 mile east of Richvale, Richvale East/Erickson Road;
Comment
CHSC8195
Alopecurus saccatus
J. G. Moore
1969-4-18
27
Butte
Table Mtn. 50 yds. w of Cherokee Rd., 2 mi. s of Oregon City turnoff.
381
Comment
SEINET10511193
Alopecurus saccatus
Roland McKee
1909-1
McKee s.n.
Butte
Chico.
Comment
UCD169922
Alopecurus saccatus
Lowell Ahart
2010-5-16
16691
Butte
North Table Mountian, about 1/4 mile south of the parking area. About 4 1/2 miles (air) northeast of Oroville.
371
Comment
CHSC94649
Amaranthus albus
Lowell Ahart
2006-9-28
13364
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
CHSC97133
Amaranthus albus
Lowell Ahart
2007-7-2
14240
Butte
East road edge of Oroville Quincy Highway, about one mile south of Big Ridge Road, about 9 miles (air) northeast of Oroville.
362
Comment
CHSC107232
Amaranthus deflexus
Lowell Ahart
2011-6-3
17362
Butte
Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico.
60
Comment
CDA3284
Amaranthus rudis
L. Ahart
1999-9-21
8266
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
CHSC26661
Ambrosia psilostachya
M. S. Taylor; H. Hayes
1977-8-19
1505
Butte
In Campbell Slough, ca. 3 mi E of jct of Hwys 42 and 162, on N side of Hwy 162.
30
Comment
JEPS120552
Ammannia coccinea
B. Castro, Margie Graham
2006-8-24
1600
Butte
Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal ~ 100 ft S of dirt road crossing the canal.
Comment
UCD102883
Ammannia robusta
E. M. Johnston
1915-7-1
s.n.
Butte
Biggs.
Comment
CHSC46818
Amsinckia eastwoodiae
R. A. Schlising
1985-4-8
4461
Butte
West of Table Mt., along Table Mt. Blvd., NW of crossing of Campbell Creek.
Comment
JEPS87512
Amsinckia eastwoodiae
David E. 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
UC1178253
Amsinckia eastwoodiae
Francia Chisaki with R. Bacigalupi and G. T. Robbins
1956-4-19
680
Butte
western section of town near road above the gorge Paradise
Comment
CHSC29012
Amsinckia intermedia
M. S. Taylor; J. D. Jokerst
1980-3-15
2385
Butte
Clear Creek Cemetary, ca. 1 mi e of Clark Rd, ca. 7 mi sw of Paradise.
152
Comment
CHSC93481
Amsinckia intermedia
Lowell Ahart
2006-5-8
12599
Butte
Steep bank on the east side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
296
Comment
UC727076
Amsinckia lycopsoides
A. A. Heller
1940-4-10
15535
Butte
e of Chico (alongside Bidwell Park, near the radio station)
Comment
UC726987
Amsinckia lycopsoides
A. A. Heller
1939-3-23
15354
Butte
near Wick's Corner (along the Highway)
Comment
UC1111640
Amsinckia menziesii var. menziesii
Francia Chisaki
1956-4-19
683
Butte
1.5 mi s of West Branch of Feather River (on Nelson Bar Road)
Comment
CHSC20115
Anagallis arvensis
M. S. Taylor
1975-4-26
517
Butte
Scattered on creek bank, in meadow ca. 50 m e of Kunkle Reservoir, ca. 50 m e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
609
Comment
CHSC27243
Anagallis arvensis
P. Moyer
1972-4-16
174
Butte
S bank Chico Ck., e of Warner St. bridge. CSUC campus.
60
Comment
POM76366
Anagallis arvensis
C. C. Bruce
1897-04
1895
Butte
Butte Creek.
Comment
SEINET10449591
Anagallis arvensis
Mary Susan Taylor
1975-4-26
Taylor 517
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
CHSC108806
Andropogon glomeratus var. scabriglumis
Lowell Ahart
2012-4-9
17829
Butte
Wet area in the rock corral, east of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
110
Comment
CHSC8166
Andropogon glomeratus var. scabriglumis
K. Henegar
1969-5-15
61
Butte
Upper Bidwell Park, on n side of road opposite Bear Hole.
Comment
JEPS98544
Andropogon virginicus var. virginicus
Lowell Ahart
2000-9-27
8693
Butte
About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
CAS-BOT-BC391951
Anemone occidentalis
V. Oswald; L. Ahart
1988-7-29
3644
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
UC1246763
Angelica californica
A. S. Barclay, R. D. Barbee and K. E. Blum
1962-6-20
1198
Butte
2 mi s of Cohasset (on road to Chico)
762
Comment
CDA14338
Anthriscus caucalis
Harrie D. Riley
1995-4-19
Butte
Muir and Kennedy avenues, Chico.
0
Comment
CHSC1950
Anthriscus caucalis
A. Goekler
1929-5-15
Butte
Bidwell Park.
60
Comment
UC336555
Antirrhinum cornutum
Edw. L. Greene
1890-6-27
Butte
Chico
Comment
CHSC63721
Antirrhinum vexillo-calyculatum subsp. intermedium
Lowell Ahart
1994-10-16
7564
Butte
Along the south side 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
JEPS116037
Aphanes occidentalis
Lowell Ahart, John Dittes
2009-3-20
15504
Butte
Open area along the the Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Ch
407
Comment
UC859110
Aphanes occidentalis
A. A. Heller
1916-4-13
12324
Butte
e of Chico (Stilson canyon)
Comment
CHSC1170
Aphyllon purpureum
V. Holt
1935-3-27
Butte
Salmon Hole, Chico Creek.
152
Comment
CHSC44219
Aphyllon purpureum
V. Oswald; L. Ahart
1988-7-13
3575
Butte
Road to High Lakes e of Philbrook Reservoir. On a steep outcropping on the n side of the road.
1859
Comment
CHSC96236
Aphyllon purpureum
R. Fischer
2006-4-10
991
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants growing on a steep, open, grassy/rocky, hillside overlooking Big Chico Creek.
518
Comment
UC726468
Apocynum androsaemifolium
A. A. Heller
1938-7-20
15276
Butte
high ridge between Inskip an Chaparral
1524
Comment
CAS-BOT-BC392112
Aquilegia formosa
E. B. Copeland
1929-7-15
362
Butte
Jonesville
1550
Comment
CHSC52193
Aquilegia formosa var. truncata
Kirsten Tarp
1983-7-22
297
Butte
E part of county, near Milsap Bar.
548
Comment
CHSC114947
Arabidopsis thaliana
Lowell Ahart
2015-2-26
19940
Butte
About 30 yards east of the old paved road (Bidwell Bar - Miners Ranch Road), strand of Lake Oroville about 1/4 mile north of Miners Ranch Reservior, about 4 miles East of Oroville.
218
Comment
SEINET10448429
Arabis sparsiflora var. arcuata
Lowell Ahart
1983-5-28
Ahart 4017
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
CHSC13800
Arbutus unedo
M. S. Taylor
1974-11-22
334
Butte
In President's back yard, California State University, Chico, campus.
Comment
CHSC11789
Arceuthobium abietinum
E. B. Copeland
1930-7-28
Butte
Jonesville, Butte County.
1550
Comment
UC392220
Arceuthobium campylopodum
E. B. Copeland
July, 1929
Butte
Jonesville
1600
Comment
CHSC115454
Arctostaphylos manzanita
M. Sutton; C. Yasuda, S. Luse
2013-3-5
7
Butte
Ten mile house trail.
391
Comment
RSA632990
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27461
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
RSA633001
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27460
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
UCD51932
Arctostaphylos manzanita
John Thomas Howell
1975-6-15
51113
Butte
Skyway and Montana Drive, Paradise, Butte County.Transition Zone.
609
Comment
CAS-BOT-BC24409
Arctostaphylos manzanita subsp. manzanita
John Thomas Howell
1976-4-2
51567
Butte
About 2 mi. from Paradise on Skyway to Chico.
396
Comment
CAS-BOT-BC38860
Arctostaphylos manzanita subsp. manzanita
A. A. Heller
1940-2-4
15488
Butte
Neal road west of Paradise just below the Spring House.
Comment
CAS-BOT-BC24296
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14477
Butte
About 2 mi. w. of Forest Ranch.
Comment
SD49843
Arctostaphylos mewukka
A. E. Wieslander
1933-6-24
329
Butte
Chico quadrangle, 1 mi. E of Paradise on Pearson Road
519
Comment
UC725334
Arctostaphylos mewukka
A. A. Heller
1942-1-4
16344
Butte
on Pentz-Magalia Rd 5 mi below Paradise
Comment
UC726979
Arctostaphylos mewukka
A. A. Heller
1942-1-4
16347
Butte
Pentz-Magalia Rd 4 mi below Paradise
Comment
RSA381139
Arctostaphylos truei
J. T. Howell
1975-6-15
51109
Butte
Skyway near Billie Road, Paradise.
609
Comment
CAS-BOT-BC47387
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51089
Butte
about 2 miles from Paradise on Skyway to Chico
396
Comment
CHSC107585
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2011-7-9
17565
Butte
Near a large open area, about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush creek, about 15 miles (air) northeast of Oroville.
975
Comment
JEPS119514
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2012-3-2
17763
Butte
About 200 yards north of Ten Mile House Road, about 200 yards west of Highway 32 about 9 miles northeast Chico.
Comment
RSA795338
Arctostaphylos viscida subsp. viscida
L. Ahart
2010-7-27
16912
Butte
About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville.
742
Comment
CHSC45202
Aristida oligantha
Lowell Ahart
1977-7-14
1465
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
UCD137812
Aristolochia californica
Kathy Corson
1969-4-6
11
Butte
Stillsen Canyon Creek bottom, past the garbage dump 9 miles east of Chico.
Comment
UC600518
Arnica dealbata
H. F. Copeland
1930-7-26
13206
Butte
Jonesville, on ridge above hotel Jonesville
Comment
CHSC39050
Arnica discoidea
R. A. Schlising; R. Banchero
1980-6-17
3741
Butte
Paradise Lake, N of Magalia.
731
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
RSA0039299
Artemisia douglasiana
Lowell Ahart
2008-7-23
15150
Butte
On the north side of Ponderosa Way, north of the waterfall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown.
482
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-BC400630
Asarum hartwegii
Mrs. Eva Pattee
1923-5-15
s.n.
Butte
Shady Rest near Cresta
Comment
CAS-BOT-BC400638
Asarum hartwegii
A. A. Heller
1939-4-10
15374
Butte
Below Cohasset
Comment
CHSC117
Asclepias cordifolia
M. Harless
1930-5-18
Butte
Paradise.
548
Comment
UC392183
Asclepias cordifolia
E. B. Copeland
1929-7-13
Butte
Jonesville
1600
Comment
CHSC31548
Asclepias eriocarpa
L. Ahart
1975-6-19
789
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC4693
Asclepias fascicularis
R. Carter
1966-7-6
464
Butte
Found ca. 7 mi. E of Oroville on NE corner of intersection of Miners Ranch Rd. and Mt. Ida Rd.
243
Comment
CHSC47067
Asclepias speciosa
R. A. Schlising; P. Broyles
1988-7-9
4577
Butte
E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road.
792
Comment
CHSC51850
Asclepias speciosa
L. P. Janeway
1988-6-5
2728
Butte
Cyn of Big Chico Cr ca 1 mi NE of the end of Upper Park Rd.
213
Comment
UC1549535
Aspidotis californica
M. S. Taylor and V. Oswald
1983-1-14
5213
Butte
Devils Kitchen Upper Bidwell Park
274
Comment
CAS-BOT-BC65914
Aspidotis densa
John Thomas Howell
1962-6-16
37543
Butte
Magalia
731
Comment
POM193102
Aster occidentalis var. occidentalis
E. B. Copeland
1930-8-4
s.n.
Butte
Jonesville
1500
Comment
CHSC31441
Aster radulinus
Lowell Ahart
1980-9-10
2640
Butte
Ca. 7 mi E of Millsap Bar, ca. 32 mi NE of Oroville.
1200
Comment
CHSC46550
Aster radulinus
Vernon H. Oswald
1989-7-18
3865
Butte
West side of the road to Colby Mtn Lookout near the Butte-Tehama county line, ca. 0.5 mi (air) NW of Jonesville.
1554
Comment
JEPS119575
Astragalus gambelianus
Lowell Ahart
2012-4-17
17880
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
JEPS119691
Astragalus gambelianus
Lowell Ahart
2012-5-2
17957
Butte
About 80 yards northeast to the oak tree, Upper Bidwell Park, about 1 mile east of Chico.
Comment
SEINET7042706
Astragalus gambelianus
A. G. Vestal
1963-5-9
s.n.
Butte
Route 99E 11.8 miles north of Chico. Nelson quadrangle UTM Zone 10, 605211mE, 4382252mN.
Comment
CHSC27665
Astragalus pauperculus
Mike O'Bryan; Robert A. Schlising
1978-4-17
3220
Butte
N of Forest Ranch, on ridge projecting into canyon of Big Chico Creek, ca 1 mi S jct Hwy 32 and Forest Ranch Road.
Comment
UC765009
Astragalus pauperculus
R. F. Hoover
1938-4-24
3236
Butte
3 mi n Chico; n of Chico
Comment
UCSB63844
Asyneuma prenanthoides
Ahart, Lowell
1997-8-1
Butte
West side of Little Kimshew Creek, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City; T24N, R5E, Section 4
1371
Comment
UCD136290
Athyrium filix-femina var. californicum
L. Ahart
1982-9-13
3811
Butte
Pinkard Creek, ca. 1/8 mile north of Lost Creek Reservoir Dam, ca. 2.2 miles northwest of Strawberry Valley.
1100
Comment
CHSC33569
Athyrium filix-femina var. cyclosorum
M. S. Taylor
1981-5-14
3728
Butte
E side of 23N94, up Wildcat Creek (and nearby creeks) ca. 1 mi ne of Four Trees Rd, ca. 1 mi w of Four Trees on Oroville-Quincy Hwy.
1371
Comment
CHSC33977
Athyrium filix-femina var. cyclosorum
M. S. Taylor
1981-5-14
3707
Butte
S side of 22N49, at jct where creek crosses the rd (next creek e of Little Ram Creek), ca. 1 mi sw of the rds jct with Four Mile Ridge Rd, ca. 0.5 mi n of Mt House on Oroville-Quincy Hwy.
975
Comment
SBBG28169
Athyrium filix-femina var. cyclosorum
E. B. Copeland
1929-7-29
Butte
Jonesville
1600
Comment
CHSC19918
Athysanus pusillus
M. S. Taylor
1975-3-3
398
Butte
Ca 30 ft e of Richardson Springs Rd, ca. 2 mi ne of Cohasset Rd, ca. 6 mi n of Chico.
60
Comment
CHSC37115
Atriplex argentea var. mohavensis
L. Ahart; M. S. Taylor
1982-10-11
3862
Butte
Ca. 0.1 mi se of Graylodge HQ, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
UC7052
Atriplex canescens
unknown
1899-1
Butte
Comment
CAS-BOT-BC176606
Atriplex serenana var. serenana
Lowell Ahart
1977-7-24
s.n.
Butte
Gray Lodge, 10 miles southwest of Gridley
30
Comment
JEPS90625
Atriplex subtilis
Dean W. Taylor
1993-8-31
14076
Butte
120 m s Rutherford Road (and (as depicted on the refuge map) public shooting parking lot no. 5, (Pennington 7 1/2 USGS quadrangle, 1973 edition), ca. 1.5 mi e of refuge hq.); Sacramento Valley, Gray Lodge State Wildlife Area (Westside
21
Comment
CAS-BOT-BC146179
Avena barbata
Lowell Ahart
1979-5-12
s.n.
Butte
Honcut. Peter Ahart Ranch. Along North Honcut Creek.
50
Comment
CAS-BOT-BC146181
Avena barbata
A. A. Heller
1914-3-18
11207
Butte
Eight miles north of Oroville, near the western base of Table Mountain.
Comment
CHSC33673
Avena fatua
L. Ahart
1981-5-24
2835
Butte
On Peter Ahart Ranch, ca. 2 mi n and 1/2 mi e of Honcut.
50
Comment
CHSC35663
Avena fatua
R. E. Preston
1982-4-22
251
Butte
Ca. 0.3 mi ne of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise.
353
Comment
CHSC9343
Avena fatua
B. Anthony
1968-4-14
456
Butte
3 miles E. of Hamilton City on Hwy. 32.
Comment
CHSC9339
Avena sativa
B. Anthony
1968-5-17
523
Butte
Corner of Pentz Road and Dry Creek Road, Pentz.
Comment
CHSC63694
Baccharis pilularis
Lowell Ahart
1994-10-9
7556
Butte
On the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 (air) miles west of Forbestown.
609
Comment
CAS-BOT-BC98182
Baccharis salicifolia
John Thomas Howell
1974-9-19
50883
Butte
Feather River Highway bridge at West Branch Feather River - Sierra Nevada
304
Comment
CHSC84645
Baccharis salicifolia
Matt Quinn
2001-4-24
58
Butte
Found on gravel bar along Big Chico Creek, at Day Camp beach, in Upper Bidwell Park.
94
Comment
CAS-BOT-BC16378
Barbarea orthoceras
Clarence Roy Quick
1963-7-16
63 48 a
Butte
Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga.
1463
Comment
CHSC33226
Barbarea orthoceras
R. E. Preston
1981-6-11
84
Butte
On a gravel bar on n side of Butte Creek, ca. 3.2 km ne of Butte Meadows, near Cherry Hill.
1415
Comment
JEPS119511
Berberis aquifolium var. dictyota
Lowell Ahart
2012-3-2
17769
Butte
About 20 yards east of Pine Trail, south of a deep drainage, about 1/4 mile west of Highway 32, about 8 1/2 miles northeast of Chico.
Comment
UCD95091
Berberis aquifolium var. repens
M. Vincent
1961-3-31
12
Butte
One half mile west of Harrison and Stern Roads in town of Paradise.
609
Comment
JEPS113568
Bergia texana
Lowell Ahart
2007-7-24
14389
Butte
On the bottom of a large wash (area has had gravel removed), Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville
29
Comment
CHSC42992
Bidens cernua
Lowell Ahart
1987-7-17
5824
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC26659
Bidens frondosa
M. S. Taylor
1977-8-16
1503
Butte
In Clear Creek, Butte College Campus, ca. 15 mi S of Chico.
60
Comment
RSA0037017
Bidens frondosa
Lowell A. Ahart
2013-11-17
19259
Butte
Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville.
245
Comment
CAS-BOT-BC102072
Bidens frondosa
Forman T. McLean
1921-9-29
23
Butte
Chico
Comment
SEINET10473664
Bidens frondosa
Mary Susan Taylor
1978-9-8
Taylor 1877
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
JEPS120856
Bidens tripartita
Lowell Ahart
2013-6-18
18802
Butte
About 20 yards E of Parking Lot 16, Gray Lodge Wildlife Management Area, about 7 air miles SW of Gridley.
Comment
CHSC51898
Bistorta bistortoides
L. P. Janeway
1988-7-29
3126
Butte
Mdw near Humbug Summit Rd, 1.5 mi NE of the Snag Lake dam.
1767
Comment
CHSC31615
Blennosperma nanum
Lowell Ahart
1975-4-2
739
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC90187
Blennosperma nanum
Ross L. Jones
1989-2-25
3
Butte
Ca. 100 m e of abandoned city dump bordered by Highway 32 and Humboldt Rd., immediate outskirts e of Chico.
60
Comment
CHSC35759
Boechera rectissima
R. E. Preston
1982-6-15
301
Butte
At e margin of meadow; Cherry Hill, ca. 2 mi w of Jonesville.
1414
Comment
UC383601
Boechera rectissima
E. B. Copeland
1929-7-14
367
Butte
Jonesville
1550
Comment
CHSC25363
Boechera sparsiflora
Marc P. Hayes
1977-3-20
3
Butte
Ca. .4 km from the confluence of Bear Ranch Creek and North Fork Feather River, ca. 16 km wnw of Paradise.
500
Comment
CHSC32680
Boechera sparsiflora
M. S. Taylor
1981-3-24
3437
Butte
S side of Hwy 70, on ledges, ca. 1/4 mi w of Cresta Powerhouse, ca. 2 mi e of Pulga.
487
Comment
CHSC34563
Boechera suffrutescens
R. E. Preston
1981-7-8
102
Butte
On n slope of Humboldt Peak. Butte/Plumas Co. boundary.
1545
Comment
CHSC46318
Bolboschoenus fluviatilis
Vernon Oswald
1989-5-15
3767
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). In a marshy depression near Butte Creek.
18
Comment
CHSC31683
Bolboschoenus glaucus
L. Ahart
1972-6-20
113
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC75488
Bolboschoenus glaucus
J. D. Jokerst; L. Ahart; M. S. Taylor
1982-4-29
1544 b
Butte
Grey Lodge Waterfoul Management area, dirt road north of Rutherford Road.
Comment
CHSC34780
Bolboschoenus maritimus subsp. paludosus
L. Ahart
1981-11-6
3226
Butte
Small ditch, w of parking area, e of Graylodge Waterfowl Mgmt HQ, ca. 1/4 mi w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CHSC110100
Bothriochloa laguroides subsp. torreyana
L. P. Janeway
2012-6-13
10872
Butte
Northern Sierra Nevada Foothills. East side of Thermalito Diver-sion Pool (Feather River) just south of the railroad bridge over the Pool, 0.6 km north of Thermalito Diversion Dam, between the Pool and the railroad tracks.
75
Comment
UC1751229
Botrychium simplex
Timothy B. Devine
1985-7-7
846 b
Butte
beside Willow Creek about 1/4 mi N of jct with road to Colby Mt. Lookout Jonesville
1524
Comment
CHSC40384
Boykinia major
Lowell Ahart
1985-7-9
5114
Butte
Along the banks of Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls.
914
Comment
CHSC42850
Brachypodium distachyon
Lowell Ahart
1987-5-9
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.
304
Comment
CDA31946
Brassica napus
L. Ahart
2009-4-26
15607
Butte
On the east side of Highway 99, south of the wash, about 1/2 mile south of the stop light at the intersection, about one mile south of Butte Creek, about 3 miles south of Chico.
Comment
CHSC101703
Brassica napus
Lowell Ahart
2009-4-26
15607
Butte
On the east side of Highway 99, south of the wash, about 1/2 mile south of the stop light at the intersection, about one mile south of Butte Creek, about 3 miles south of Chico. Scattered south along highway for miles.
60
Comment
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
RSA724877
Brickellia californica
L. Ahart
2006-9-11
13335
Butte
South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
432
Comment
CHSC33237
Brickellia greenei
R. A. Schlising
1980-10-5
3995
Butte
Humboldt Road, 2.0 mi SW of Butte Meadows.
1389
Comment
CHSC2125
Briza minor
M. Roberson
1956-5-14
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC82678
Briza minor
Tara Morgan
2002-5-7
55
Butte
It was located within the Yankee Hill area on the east side of Oroville Lake and Highway 70 within a burn area from the 2001 Yankee Hill Fire.
546
Comment
JEPS116080
Briza minor
Lowell Ahart
2009-5-23
15729
Butte
Opening in a drainage, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CHSC88078
Brodiaea californica var. californica
R. D. Fischer
2004-6-6
163
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). At stream crossing on Big Chico Creek, 300 ft n. of gated property line of Bidwell Park. Off of Chico Canyon Road (name on older maps), e. side of creek.
213
Comment
UCD77126
Brodiaea coronaria
Robert E. Preston
2003-5-11
2130
Butte
Ca. 2.25 mi W of Pentz, along Pentz Rd, ca. 0.5 mi E of Clark Rd.
97
Comment Read comments Jun 17 2014
CHSC40079
Brodiaea elegans
A. A. Heller
1938-5-22
15105
Butte
Near Chico airport. Upper Sonoran Life Zone.
Comment
CHSC36100
Brodiaea minor
R. A. Schlising
1980-6-30
3802
Butte
0.1 miles S of junction of Humboldt Road and Skyway at Butte Meadows.
Comment
CHSC38766
Brodiaea minor
Vernon Oswald
1983-5-22
529
Butte
Upper Bidwell Park, Chico, near the Omicron Enclosure (n boundary of the park 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.).
85
Comment
CHSC75413
Brodiaea minor
Jennifer Slater
1997-4-20
27
Butte
At the Wurlitzer addition of the Vina Plains Preserve, west of Highway 99, approx. 10 miles north of Chico.
67
Comment
CHSC91471
Brodiaea minor
Lowell Ahart
2005-7-13
12145
Butte
Ditch, about 20 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville.
748
Comment
UCR95785
Brodiaea minor
C. B. Wolf
1937-5-14
8667
Butte
Sacramento Valley, 4.5 mi west of Oroville, on the road to Richvale
46
Comment
CAS-BOT-BC484560
Brodiaea minor
John Thomas Howell
1955-6-14
30437
Butte
Magalia
731
Comment
SEINET8194029
Brodiaea minor
M. J. Williams, W. Roderick
1984-5-25
84- 25 -1
Butte
Near Pontz Road, near Cherokee.
305
Comment
CHSC90587
Brodiaea nana
Siegel
1977-4-15
2
Butte
Butte College, ca. .25 mi se of Clear Creek ca. 4 mi e jct Hwy 99E and Pentz Rd., ca. 10 mi s of Chico.
Comment
UCD139154
Brodiaea nana
Robert E. Preston
2003-5-11
2129
Butte
around 2 miles south of Oroville Airport, on east side of Thermalito Afterbay, along Larkin Road.
30
Comment
SEINET10534142
Brodiaea purdyi
R. M. Austin
Austin 32
Butte
Sutton House
Comment
CAS-BOT-BC148836
Bromus carinatus var. marginatus
Vernon Oswald; Lowell Ahart
1987-7-1
3088
Butte
Scotts John Road at Big Rock Meadow 1.0 mile north of the road connecting Humboldt and Humbug Roads, ca. 2.5 miles east northeast of Jonesville.
1780
Comment
CHSC34209
Bromus carinatus var. marginatus
J. D. Jokerst
1981-8-1
1452
Butte
N face of Humboldt Peak ca 200 feet NE of summit. Extreme N corner of Butte county.
2133
Comment
CHSC88915
Bromus catharticus
Lowell Ahart
2004-8-30
11399
Butte
In a walnut orchard, on the north side of O'Brien Road, about 100 yards east of Gilstrap Avenue, about 1 1/2 miles (air) southeast of Gridley.
28
Comment
JEPS115992
Bromus catharticus
Lowell Ahart
2009-5-8
15666
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CHSC66172
Bromus commutatus
Vernon H. Oswald; Lowell Ahart
1996-5-27
7660
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II.
32
Comment
JEPS110114
Bromus hordeaceus
Lowell Ahart
2006-5-10
12621
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
354
Comment
CHSC97036
Bromus inermis subsp. inermis
L. P. Janeway
2007-7-16
9118
Butte
Northern High Sierra Nevada. Plumas National Forest; south of Road 21N25 in the southeastern corner of Watson Ridge, 0.7 km north of the mouth of Kenebeck Creek at Fall River and Nelsons Crossing.
1125
Comment
UCD58928
Bromus laevipes
Beecher Crampton
1965-6-17
7383
Butte
Butte-Yuba Co. Border: Just west of Rackerby Store. La Porte Road.
420
Comment
CAS-BOT-BC162362
Bromus madritensis
Lowell Ahart
1980-5-17
2291
Butte
0.5 mile southeast of Hurleton.
600
Comment
CHSC65610
Bromus orcuttianus
L. P. Janeway
1995-7-27
4877
Butte
Top of Jackson Ranch Ridge, along Road 21N25Y ca 0.6 mi east of the western end of the ridge.
1143
Comment
SEINET10662028
Bromus orcuttianus
Lowell Ahart
2004-7-11
Ahart 11232
Butte
T23N, R4E, southeast 1/4 Section 7. On the northeast edge of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City.
815
Comment
SEINET10507840
Bromus orcuttianus
Mary Susan Taylor
1978-7-18
Taylor 1674
Butte
On W side of Hwy 32 on edge of Yellow Pine Forest, in dry open area, ca. 1/4 mi N of Forest Ranch.
718
Comment
SEINET10507669
Bromus rubens
Mary Susan Taylor
1980-4-1
Taylor 2423 A
Butte
T22N R2E sc sec 25. In Foothill Savan nah, on bluffs above and S of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge ca. 6 mi E of Chico.
183
Comment
CAS-BOT-BC161612
Bromus sterilis
Lowell Ahart
1977-6-16
1474
Butte
Peter Ahart Ranch, Honcut. North Honcut Creek.
50
Comment
CDA31949
Bromus sterilis
L. Ahart
2009-4-26
15614
Butte
East 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
Comment
CHSC43052
Bromus sterilis
Pauleen Broyles
1986-4-4
949
Butte
Town of Paradise. E side of Camino Road off Elliott.
548
Comment
CAS-BOT-BC161579
Bromus suksdorfii
V. Oswald; L. Ahart
1988-7-26
3626
Butte
Snow Mountain region located ca. 6 air miles southeast of Jonesville.
2042
Comment
CDA13291
Bromus suksdorfii
G. F. Hrusa, T. D. Wilfred
1996-7-9
13139
Butte
Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp.
Comment
CHSC107588
Bulbostylis capillaris
Lowell Ahart
2011-7-9
17564
Butte
Area of almost bare rock, about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush creek, about 15 miles (air) northeast of Oroville.
1009
Comment
CHSC96959
Bulbostylis capillaris
Lowell Ahart
2007-6-12
14073
Butte
Along swales, in a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville.
1009
Comment
CHSC59040
Calamagrostis canadensis
Lowell Ahart
1992-7-21
6797
Butte
On the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
SEINET10572678
Calandrinia ciliata var. menziesii
Mary Susan Taylor
1973-1
Taylor 40
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
SEINET4169756
Calliprora scabra
A. A. Heller
1919-5-18
13167 A
Butte
Stirling , in fine gravel
1074
Comment
CHSC103717
Callitriche heterophylla var. bolanderi
Lowell Ahart
2010-5-14
16650
Butte
On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards west of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
395
Comment
JEPS113280
Callitriche heterophylla var. bolanderi
Lowell Ahart
2007-4-16
13672
Butte
In shallow water of a small wash, about 100 yards east of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville
63
Comment
CHSC103742
Callitriche marginata
Lowell Ahart
2010-5-16
16687
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
371
Comment
HSC32613
Callitriche trochlearis
R. A. Vanbianchi
1974-4-20
229
Butte
Table Mtn.
305
Comment
RSA769227
Calocedrus decurrens
L. Ahart
2009-11-19
16548
Butte
About 80 yards southeast of the gate, about 70 yards east of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico
270
Comment
SEINET10531074
Calocedrus decurrens
Mary Susan Taylor
1975-2-16
Taylor 387
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
CHSC3306
Calochortus albus
M. L. Hillier
1966-5-7
Butte
2.5 miles e. of covered bridge.
Comment
CHSC46809
Calochortus leichtlinii
R. A. Schlising
1980-6-10
3668
Butte
NW part of county along Humboldt Road, 1.9 mi NE of jct with Hwy 32 at Lomo. On Carpenter Ridge.
1356
Comment
CHSC49691
Calochortus leichtlinii
Vernon H. Oswald
1983-8-17
983
Butte
Humboldt Summit, ca 3 mi ne of Jonesville.
Comment
CHSC33143
Calochortus luteus
J. D. Jokerst
1981-5-14
1324
Butte
Top of North Table Mt ca 300 M north of Cherokee Rd at the west edge of the mountain.
Comment
UCSB63609
Calochortus luteus
McKirahan, Kim
1986-4-13
Butte
Ca. 46 miles north of Horseshoe Lake in upper Bidwell Park, Richardson Springs; quadrangle, nw 1/4 of sw 1/4 Sec 8,T23N,R1W
137
Comment
CHSC29101
Calochortus monophyllus
M. S. Taylor; J. D. Jokerst
1980-4-18
2511
Butte
Ca. 1 mi s of Nimshew, ca. 1/4 mi e of Nimshew Rd.
609
Comment
SEINET8715964
Calochortus nudus
Unknown
1946-1
2939
Butte
Along Butte Creek, just below Jonesville.
Comment
CHSC101167
Calochortus superbus
Lowell Ahart
2009-5-15
15680
Butte
About 20 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
235
Comment
CHSC111124
Calochortus superbus
Lowell Ahart
2012-5-12
18035
Butte
On the west side of South Rim Trail, north of Bloody Pin Trail, about 5/8 mile west of Highway 32, south part of Upper Bidwell Park, about 7 3/8 miles (air) northeast of Chico.
236
Comment
CHSC96412
Calochortus tolmiei
L. P. Janeway
2006-5-14
8598
Butte
Northern High Sierra Nevada. Upper part of open serpentine slope just west of Jordan Hill Road; 0.9 km east of Sawmill Peak lookout.
953
Comment
UCD129745
Calycadenia multiglandulosa
Gerald D. Carr
1981-9-26
1161
Butte
around 3 miles northeast of Honcut, on the Lowell Ahart Ranch.
Comment
CHSC40472
Calycadenia oppositifolia
Lowell Ahart
1985-5-15
4979
Butte
West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
502
Comment
CHSC86848
Calycadenia oppositifolia
L. P. Janeway; Christine Hantelman
2003-7-10
7894
Butte
Northern Sierra Nevada Foothills. Above western edge of Rich Gulch arm of West Branch Feather River arm of Lake Oroville; 895 m east of north end of West Branch Bridge (Hwy 70).
294
Comment
CHSC93880
Calycadenia oppositifolia
L. P. Janeway
2006-5-28
8637
Butte
Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir.
856
Comment
UC217500
Calycadenia oppositifolia
H. M. Hall
1917-5-16
10305
Butte
Iron Canon (about opposite Hog Spr.) Big Chico Creek
121
Comment
CAS-BOT-BC270885
Calycadenia spicata
John Thomas Howell
1962-6-15
37421
Butte
5 miles W of Oroville
Comment
CHSC26763
Calycadenia spicata
M. S. Taylor; M. Hayes
1977-8-16
1436
Butte
On S side of Pentz Rd near culvert in natural drainage, ca. 1.2 mi E of jct of Pentz Rd and Hwy 99, ca. 15 mi S of Chico.
60
Comment
CAS-BOT-BC275389
Calycadenia truncata var. truncata
Lowell Ahart
1980-7-4
2449
Butte
Near Hurleton
600
Comment
CAS-BOT-BC275393
Calycadenia truncata var. truncata
J. D. Jokerst; M. S. Taylor
1979-10-13
388
Butte
Jordan Hill Road (Ponderosa Way), 2.8 miles N of junction with Concow Creek, ca. 4 miles NE of Lake Concow, W of road
609
Comment
JEPS121940
Calyptridium monospermum
Lowell Ahart
2014-7-7
19604
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
OBI5732
Calyptridium monospermum
H. F. Copeland
1928-8-20
1016
Butte
Jonesville
1524
Comment
SD1522
Calyptridium monospermum
E. B. Copeland
1930-7-12
Butte
Above Jonesville
2000
Comment
CHSC45387
Calyptridium umbellatum
Vernon Oswald
1984-7-2
1336
Butte
Humbug Summit. Growing on forest floor along the road.
2320
Comment
HSC103797
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-6-25
8696
Butte
Northern High Sierra Nevada. Along a major dirt road, 2.6 km south of Stirling City towards West Branch Feather River crossing.
1006
Comment
HSC103802
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-7-9
8804
Butte
High Cascade Range. Doe Mill Ridge; along Doe Mill Road, 3.1 km. NNE of Schott Road.
860
Comment
CHSC94105
Calystegia malacophylla subsp. malacophylla
Lowell Ahart
2006-7-11
12942
Butte
About 100 yards south of Humboldt Road, about 1 3/8 miles (air) southwest of Butte Meadows.
1400
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
SEINET10496585
Calystegia occidentalis
Mary Susan Taylor
1980-5-15
Taylor 2639
Butte
T23N R2E ne sec 7. In and around vernal pools in Chaparral area on Cohasset Ridge, ca. 1/4 mi E of Cohasset Rd, ca. 9 mi NE of Chico.
396
Comment
CHSC94025
Calystegia occidentalis subsp. occidentalis
R. D. Fischer
2005-4-30
735
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants on a west facing, brushy hillside trail.
518
Comment
RSA718780
Calystegia occidentalis subsp. occidentalis
L. P. Janeway
2006-7-9
8806
Butte
150 m west of Hwy 32, 3.0 km south of Humboldt Road (Lomo); near top of ridge between Big Chico Creek and West Branch Butte Creek.
1140
Comment
SEINET10496682
Calystegia polymorpha
Mary Susan Taylor
1982-6-24
Taylor 4724
Butte
T22N R4E sw/se sec 14. Pulga SW quad. E side of Ponderosa Way (Rim Rd), 1.3 mi n of its jct with Hwy 70 at Jarbo Gap, ne of Oroville. 2800 ft.
853
Comment
CHSC19698
Camissonia contorta
S. K. Ray
1971-5-1
25
Butte
Ca. 10-15 yds from shoreline of a dredger pond ca. 1/4 mi n by ne of the e end of Walnut Ave, ca. 3 mi e of Gridley.
Comment
CHSC112203
Capsella bursa-pastoris
Lowell Ahart
2013-4-20
18556
Butte
In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut.
47
Comment
CHSC35025
Capsella bursa-pastoris
R. E. Preston
1982-3-27
206
Butte
Along dirt road; Campbell Hills, n of Thermalito Afterbay, Oroville. In saddle.
121
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
CHSC486
Capsella bursa-pastoris
V. Holt
1935-3-20
Butte
Chico.
57
Comment
CAS-BOT-BC37065
Capsella bursa-pastoris
A. A. Heller
1914-3-17
11204
Butte
Chico.
Comment
UCD114130
Capsella bursa-pastoris
A. A. Heller
1914-3-17
11204
Butte
Chico, in a garden.
Comment
CHSC35761
Cardamine breweri
R. E. Preston
1982-6-18
303
Butte
At stream margin; site of Merrimac, ca. 22 mi ne of Oroville.
1173
Comment
CHSC10623
Cardamine oligosperma
Lowell Ahart
1967-3-30
Butte
Peter Ahart Ranch, Honcut.
42
Comment
CHSC19931
Cardamine oligosperma
M. S. Taylor
1975-3-3
400
Butte
Ca. 1/4 mi n of Richardson Springs camp, in dam area, ca. 8 mi n of Chico.
91
Comment
CHSC31095
Cardamine pachystigma
Leslie Steidl
1980-3-15
2
Butte
Ca. .9 mi nw of Lumpkin Rd. on Island Bar Hill Rd and 4 ft s of Island Bar Hill Rd, 22 mi ene of Oroville.
719
Comment
CHSC32119
Cardamine pachystigma
L. Ahart
1975-4-1
735
Butte
Along edge of rd, 2.5 mi s of Ponderosa Dam, n of Forbestown.
426
Comment
CHSC32646
Cardamine pachystigma
M. S. Taylor; L. Hanson
1981-3-16
3415
Butte
E side of Ponderosa Way, ca. 300 yds n of its jct with Hwy 70 at Jarbo Gap Fire Station.
731
Comment
CHSC65544
Cardamine pachystigma
B. Castro; L. Janeway
1995-2-21
557
Butte
On W end of Watson Ridge, on W-trending ridge ca 300 ft W of where USFS Rd 21N25A appears to end, but actually narrows and turns abruptly to the S.
996
Comment
CHSC33169
Cardamine pachystigma var. dissectifolia
R. E. Preston
1981-2-28
46
Butte
100 m w of Little Butte Cr., ca. 2.4 km n of Magalia.
717
Comment
CHSC101155
Carduus pycnocephalus
Lowell Ahart
2009-5-15
15691
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CHSC45648
Carduus pycnocephalus
Vernon Oswald
1985-5-20
1766
Butte
LaPorte Rd. ca. 0.7 mi ne of Bangor at Wilson Creek. On the edge of the road near the creek.
243
Comment
CHSC54088
Carduus pycnocephalus
Vernon H. Oswald; Lowell Ahart
1991-5-13
4587
Butte
Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway).
137
Comment
CDA34187
Carex
L. Ahart
2010-4-23
16579
Butte
Lawn of home #1082, near the middle of and north side of East 7th Street, between Sycamore Street and Linden Street, Chico.
Comment
CHSC49388
Carex abrupta
L. P. Janeway
1988-6-16
2809
Butte
Along Butte Cr 1.4 mi S of Humboldt Rd via the road in the W side of the cyn.
1264
Comment
SEINET7468090
Carex amplifolia
Robert F. C. Naczi, Anton A. Reznicek
2006-8-1
11399
Butte
Jonesville, along Jones Creek, just NE of the historic Jonesville Inn
1535
Comment
RSA0119040
Carex angustata
Lowell Ahart
2014-7-7
19579
Butte
Small snow lake, north of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
1691
Comment
SEINET10585608
Carex aurea
Lowell Ahart
1987-5-22
Ahart 5678
Butte
Near the dirt road, about 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls.
1219
Comment
CAS-BOT-BC19200
Carex barbarae
Lowell Ahart
1980-5-12
2257
Butte
Honcut. Peter Ahart Ranch.
50
Comment
CHSC109622
Carex barbarae
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18004
Butte
West of the horse path, on the south side of the paved park road, southwest of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
CHSC4935
Carex barbarae
A. Revard
1967-4-16
15
Butte
Ca. 12 ft. s of Rowles Rd., 2 mi w of Hyw.88, 19 mi w of Chico.
60
Comment
CAS-BOT-BC19411
Carex bolanderi
Lewis S. Rose
1937-6-10
37364
Butte
Hurleton.
579
Comment
CHSC100766
Carex bolanderi
L. P. Janeway; B. Castro
2008-4-23
9354
Butte
Northern Sierra Nevada Foothills. Along the northwest edge of Thermalito Diversion Pool (the former bed of the Feather River, now kept at a constant pool elevation of 69 m), 1.8 km north of Thermalito Diversion Dam; about 3 km north-northeast of Oroville.
69
Comment
JEPS121424
Carex cyrtostachya
Lowell Ahart
2000-7-7
8558
Butte
north side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls
Comment
JEPS116081
Carex densa
Lowell Ahart
2009-5-23
15730
Butte
On the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CHSC59003
Carex echinata subsp. echinata
Lowell Ahart
1992-7-26
6856
Butte
In a small man made pond, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1798
Comment
CHSC43912
Carex fracta
L. P. Janeway
1987-6-26
2308
Butte
Above Camp Cr, 2.5 mi E of Granite Ridge along rd to Lynch and Logue Mdws.
1365
Comment
SEINET7559369
Carex fracta
Robert F. C. Naczi, A. A. Reznicek
2006-8-1
11398
Butte
Ca 7.5 mi NE of community of Butte Meadows, along road to Humboldt Summit, ca 0.8 road mi S of (downslope from) Humboldt Summit.
1914
Comment
CAS-BOT-BC28379
Carex gracilior
W. H. Wheeler
1944-6-8
s.n.
Butte
US plant Introduction Garden (Edgar Slough) Chico.
Comment
CHSC48539
Carex gracilior
L. P. Janeway
1989-5-17
3242
Butte
In dry creek along Lower Forbestown Rd 0.1 mi N of Forbestown Rd.
777
Comment
RSA754885
Carex gracilior
L. Ahart
2009-6-18
15911
Butte
60 yards W of the dredger piles along N Honcut Creek, about 2.5 miles N and 2.75 miles E of Honcut, about 12 miles SE of Oroville.
59
Comment
CHSC52867
Carex hirtissima
L. P. Janeway
1989-5-13
3239
Butte
At the Crain Mill site, 1.6 mi N on Ponderosa Way (Rim Rd) from Jarbo Gap.
883
Comment
JEPS87675
Carex hirtissima
Lowell Ahart
1994-4-22
7288
Butte
about 3 1/2 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road)
609
Comment
CHSC95996
Carex jonesii
L. P. Janeway; Marcia Waterway, Martin Lechowicz
2006-8-3
8825
Butte
Northern High Sierra Nevada. Old pond below Lumpkin Ridge Road about 10 km east of Feather Falls and about 1.0 km southwest of Lumpkin Ridge Road junction with road to Cascade and Fall River; near head of western branch of Know-nothing Creek.
1209
Comment
CHSC113953
Carex laeviculmis
Lowell Ahart
2014-7-10
19608
Butte
About 100 yards east of Memorial Spring and the Skyway,about a mile southwest of the intersection of Humbug Road and Philbrook Road, about 2-1/2 miles (air) northwest of Philbrook Reservoir.
1561
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
CHSC47134
Carex laeviculmis
L. P. Janeway
1988-6-25
2870
Butte
Near Coon Cr and near Bull Hill Rd (Skyway) 1.0 mi from Skyway (jct with Humbug Summit Rd).
1554
Comment
JEPS121925
Carex laeviculmis
Lowell Ahart
2014-7-10
19610
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
Comment
SEINET4110849
Carex laeviculmis
D. W. Taylor
2006-1
19610
Butte
Keyser Creek; West Branch Feather River watershed.
1524
Comment
CAS-BOT-BC7778
Carex laeviculmis
Lowell Ahart
1988-7-31
6154
Butte
1 1/2 air miles west and a little sout of Bald Mountain, about 3 air miles north-east of Stirling City, CA
1066
Comment
CHSC69057
Carex lemmonii
Lowell Ahart
1997-8-1
7777
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
JEPS105281
Carex lemmonii
Dean W. Taylor
1995-8-6
15394
Butte
5 air mi NE of Stirling City; boggy meadow 0.5 mi E of Bald Mountain summit; Lassen National Forest; Sierra Nevada
1706
Comment
SEINET7483992
Carex lemmonii
E. B. Copeland
1929-1
610
Butte
Jonesville
1500
Comment
JEPS117593
Carex luzulina var. ablata
Lowell Ahart
2010-9-28
17263
Butte
On damp black soil, on a moss covered high bank, on the south edge of a 10 acre meadow, about 100 yards east of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir
1886
Comment
CHSC33771
Carex multicaulis
J. D. Jokerst; M. S. Taylor
1980-4-18
606
Butte
Nimshew Ridge, S of Nimshew Rd 1.0 mi S of Nimshew where road makes sharp turn to the N.
701
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
UC184078
Carex multicaulis
A. A. Heller
1913-6-7
10794
Butte
near Stirling
1036
Comment
CHSC52260
Carex nebrascensis
L. P. Janeway; Patty Costello
1987-9-5
2578
Butte
NW side of Big Chico Cr below the road to Soda Springs campground near Hwy 32.
1127
Comment
RSA702633
Carex nebrascensis
L. P. Janeway, B. Castro
2004-8-15
8244
Butte
High Cascade Range. Southeast side of Skyway (Humbug Summit Road), at the Cornelia Lott Sank Memorial Spring.
1519
Comment
CHSC44694
Carex nervina
L. P. Janeway; R. A. Schlising
1988-7-1
2930
Butte
Mdw between two lakes at SE-most headwaters of Butte Cr.
1935
Comment
CHSC44837
Carex nervina
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3147
Butte
Along W Br Feather River, 1.5 mi along Humbug Summit Rd N of Philbrook Rd.
1584
Comment
CAS-BOT-BC119722
Carex nervina
L. P. Janeway; Robert A. Schlising
1988-7-1
2930
Butte
Jonesville quad. Meadow between two lakes at SE-most headwaters of Butte Creek.
1935
Comment
CHSC33861
Carex nudata
J. D. Jokerst; M. S. Taylor, L. Ahart
1980-4-7
560
Butte
Rocky Honcut Creek (upper) ca 100 ft. N of it's jct with Sweedes Flat Rd. (E of Rackerby, 10 mi SE of Oroville).
Comment
CAS-BOT-BC119560
Carex nudata
A. A. Heller
1929-4-26
s.n.
Butte
Along Little Chico Creek in Stilson Canyon E of Chico.
Comment
SEINET7571067
Carex pendula
L. P. Janeway
2004-6-20
8137
Butte
Chico 7.5' quad, Sacramento Valley. South end of Chico, along edge of Comanche Creek at the bicycle bridge (former railroad bridge) about 150 m southeast (upstream) of the Midway (road) bridge across the creek.
59
Comment
RSA754367
Carex praegracilis
L. Ahart
2009-6-3
15824
Butte
E side of Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles W of Highway 32, about 10 miles NE of Chico.
236
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
CHSC44107
Carex stipata var. stipata
L. P. Janeway
1987-6-8
2175
Butte
Boggy shady area of Jack Cr on upper side of dirt road 8.6 mi south of Big Bar Mtn via dirt road.
746
Comment
CAS-BOT-BC116742
Carex subfusca
M. S. Taylor
1978-7-21
1812
Butte
On S side of Oroville-Quincey Hwy along creek in meadow.
1463
Comment
UC202968
Carex subfusca
H. M. Hall
1914-7-25
9781
Butte
Jonesville Sierra Nevada Mts. (n Butte Co.); Jonesville, northern Butte Co., Sierra Nevada Mts.
1554
Comment
CHSC47053
Carex texensis
L. P. Janeway; B. Castro, Jean Witzman
1989-6-4
3271
Butte
City of Chico; unmowed lawn near corner of Cypress and E 7th St.
60
Comment
CAS-BOT-BC114980
Carex vulpinoidea
J. Sigg
1987-6-5
2954
Butte
E side of the Sacramento River just N of Golden State Island.
33
Comment
SEINET10785809
Carex xerophila
Lawrence P. Janeway
1988-6-25
Janeway 2872
Butte
T25 N, R4E, Butte Meadows quad (15') NE1/4 of sec. 9. Near Coon Cr and near Bull Hill Rd 1.0 mi from Skyway.
1554
Comment
SEINET10549992
Castilleja
Mary Susan Taylor
1980-4-6
Taylor 2434
Butte
T8N R5E ec border sec 3. Junction of Rocky Honcut Creek and Swedes Flat Rd, ca. 2 mi E of Oroville-Bangor Hwy, ca. 10 mi SE of Oroville. With L. Ahart & J.D. Jokerst.
366
Comment
CHSC46408
Castilleja affinis
Lowell Ahart
1989-5-10
6222
Butte
Near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville.
289
Comment
CDA13899
Castilleja applegatei subsp. pinetorum
G. F. Hrusa, T. D. Wilfred
1997-5-8
13756
Butte
Sierra Nevada; on above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
SEINET10549341
Castilleja applegatei var. fragilis
Mary Susan Taylor
1981-6-19
Taylor 3957
Butte
T22N R5E ne sec 6. Pulga quad. On serpentine, N side of Feather River Hwy 70, at NW end of Pulga bridge and along Pulga Rd ca. 1/4 mi, ca. 20 mi NE of Oroville. Open & dry weathered reddish serpentine. 1600 ft elev.
488
Comment
CHSC43168
Castilleja attenuata
B. E. Olson
1975-5-5
17
Butte
Ca. 300 m n of Helltown Bridge, ca. 200 m w of Butte Creek, 1.6 km n of Centerville, 22.5 km ene of Chico.
190
Comment
JEPS124208
Castilleja attenuata
Lowell Ahart
2015-4-11
20029
Butte
About 4 1/2 miles (air) northeast of Honcut, about 13 miles (air) southeast of Oroville.
Comment
UCSB63618
Castilleja attenuata
Holloway, Steve
1986-4-12
Butte
100 m of Chico Municipal Airport; Richardson Springs Quadrangle; NE 1/4; Sec. 27, T23N, R1E
102
Comment
CHSC47505
Castilleja campestris subsp. campestris
Lowell Ahart
1978-5-1
1688
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC82261
Castilleja campestris subsp. campestris
Lowell Ahart
2002-4-24
9531
Butte
Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville.
35
Comment
CHSC3842
Castilleja exserta
Susan Carrauthers
1966-3-28
80
Butte
Table Mountain. Ca. 6 mi. N. of city of Oroville.
Comment
CHSC81311
Castilleja exserta
J. Trizzino
2001-3-13
10
Butte
North Table Mountain.
384
Comment
CHSC43539
Castilleja lacera
Lowell Ahart
1973-4-15
195
Butte
Along the edge of Swedes Flat Road, north-east of Bangor.
304
Comment
CHSC73821
Castilleja lineariloba
B. Castro
1998-5-11
788
Butte
On W-facing roadcut slopes above the Oro-Quincy Hwy, 4 mi e of its jcn with Forbestown Rd and 1.1 rd mi E of Bidwell Bar Bridge, by Lake Oroville.
313
Comment
CHSC11994
Ceanothus cordulatus
E. B. Copeland
1929-7-14
Butte
Jonesville.
1550
Comment
LA41969
Ceanothus cordulatus
E. B. Copeland;
1929-7-14
382
Butte
Jonesville
1550.0
Comment
UC569525
Ceanothus cordulatus
P. L. Johannsen
1936-7-17
934
Butte
2.5 mi se Butte Meadow (near Jonesville); Paynes Creek quad
1554
Comment
CHSC3507
Ceanothus cuneatus
M. Gregg
1966-2-21
15
Butte
On Neal Rd. down from Paradise. 3 miles south of Chico.
243
Comment
SEINET10493629
Ceanothus cuneatus
Mary Susan Taylor
1981-3-16
Taylor 3410
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
UC203656
Ceanothus cuneatus var. cuneatus
A. A. Heller
1914-3-19
11210
Butte
canyon of Big Chico Creek
76
Comment
CAS-BOT-BC50815
Ceanothus integerrimus
A. A. Heller
1914-6-22
11502
Butte
Chico Meadows
1219
Comment
SEINET267155
Ceanothus integerrimus
T. A. Ranker, P. G. Trapp
1994-6-17
1620
Butte
Pence Road south of Paradise.
395
Comment
UC718223
Ceanothus integerrimus
Carl B. Wolf
1937-5-18
8728
Butte
5 mi below Magalia (on Oroville Rd.); Northern Sierra Nevada
609
Comment
CAS-BOT-BC51146
Ceanothus lemmonii
John Thomas Howell
1955-6-15
30482
Butte
6 miles from Paradise on road to Pentz
426
Comment
CAS-BOT-BC51732
Ceanothus lemmonii
E. K. Balls; L. W. Lenz
1955-5-13
20688
Butte
Yellow Pine F.; Paradise, on road from Oroville to Magalia
579
Comment
UC203659
Ceanothus lemmonii
A. A. Heller
1914-5-18
11371
Butte
near Forest Ranch; w slope of the Sierra
731
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
UC177577
Ceanothus velutinus var. velutinus
H. M. Hall
July 1914
9804
Butte
near Butte Creek (Jonesville); near Butte Creek, Jonesville
1524
Comment
CHSC62372
Celtis australis
B. Castro
1990-5-6
422
Butte
Within the Chico Tree Improvement Center at SE edge of Chico, via Morrow Lane, ca 200 ft S of a branch of Comanche Creek (or 'Edgar Slough'). Along the entrance road ca 50 ft W of the main office building, at the interface between a riparian and orchard environment.
70
Comment
CDA7259
Centaurea maculosa
L. L. Heinrichs
1973-6-25
Butte
Stirling City
0
Comment
UCD80049
Centaurea melitensis
CNPS SN Foothill Team
2005-5-4
SNFN 0201 f
Butte
City of Chico, Upper Bidwell Park, on the west side of Big Chico Creek, on an east-facing slope. The plot location is ~1 mile from the end of Upper Park road, and about 110 m upslope of the road.
273
Comment
CHSC114165
Centaurea solstitialis
Barbara L. Wilson; Lowell Ahart, Lawrence Janeway, Peter F. Zika
2011-8-5
16791
Butte
At junction of Forbestown Road and Oroville Highway (Highway 162).
372
Comment
SEINET10454818
Centaurium
Mary Susan Taylor
1980-6-29
Taylor 2993
Butte
T23N R1E nw sec 20 Richardson Spring quad; ca. 1 mi E of Meridian Rd, ca. 4 mi N of Chico; Valley Grassland.
70
Comment
JEPS115189
Centaurium muehlenbergii
Lowell Ahart
2009-6-19
15943
Butte
On dry soil, north of a trail to pond and table, on the east side 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
CHSC651
Centaurium tenuiflorum
R. Carter
1964-6-5
109
Butte
8 mi. E of Oroville at Woodleaf St. Rt. Box 6120, behind house.
121
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
CHSC25317
Centromadia pungens
M. Hayes; Warner, Schlising
1977-8-23
51
Butte
Drainage of Butte Creek where this intersects Highway 162. Near Butte-Glenn county line.
55
Comment
CHSC46390
Centunculus minimus
Lowell Ahart
1989-5-28
6280
Butte
On the bottom of small depressions, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
JEPS106000
Centunculus minimus
Lowell Ahart
2004-4-4
10716
Butte
Bottom of a vernal pool, about 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
SEINET10971587
Cephalanthera austiniae
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4709
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
JEPS115367
Cephalanthus occidentalis var. californicus
Lowell Ahart
2009-7-9
16019
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CHSC44485
Cerastium glomeratum
Lowell Ahart
1988-3-28
5947
Butte
1/10 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls.
1280
Comment
JEPS117507
Cerastium glomeratum
Lowell Ahart
2010-5-22
16723
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
CAS-BOT-BC388261
Cerastium glomeratum
Lowell Ahart
1980-4-19
2080
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC179537
Cercis occidentalis
A. A. Heller
1914-3-12
11194
Butte
Plentiful in the canyon of Big Chico creek east of Chico.
68
Comment
CAS-BOT-BC179538
Cercis occidentalis
Judy Potter
1966-4-7
s.n.
Butte
Dining Hall Bridge, Chico State College
Comment
CHSC101699
Cercis occidentalis
Lowell Ahart
2009-4-26
15620
Butte
On the east side of a small open meadow, about 150 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
286
Comment
RSA31137
Cercis occidentalis
A. A. Heller
1914-5-18
11406
Butte
West slope of the Sierra near Forest Ranch.
610
Comment
SD8743
Chaenactis glabriuscula
R. M. Austin
1883-1
Butte
Comment
POM66468
Chaenactis glabriuscula var. heterocarpha
C. C. Bruce
1897-05
1988
Butte
Forest- Ranch.
Comment
CAS-BOT-BC277628
Chaenactis glabriuscula var. megacephala
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC23676
Chaenactis glabriuscula var. megacephala
M. S. Taylor
1976-4-27
1099
Butte
On s side of Ponderosa Way, ca. 4 mi e of junc of Villas Rd and Cohasset Hwy, ca. 23 mi ne of Chico. In ledge overlooking canyon.
609
Comment
CHSC28911
Chamaebatia foliolosa
M. S. Taylor
1980-2-17
2363
Butte
Along a dirt road in Yellow Pine Forest, ca. 1/4 mi sw of lover Forbestown Rd, ca. 3 mi w of Forbestown.
396
Comment
SEINET10483787
Chamaebatia foliolosa
Mary Susan Taylor
1981-5-7
Taylor 3630
Butte
T20N R6E ne sec 33, Forbestown quad. N side of Ponderosa Way, N of the Sucker Creek bridge, ca. 4 air mi SW of Feather Falls community. Yellow Pine Forest; 1200 ft.
366
Comment
SEINET10493562
Chamaesyce
Lowell Ahart
1990-10-3
Ahart 6617
Butte
On the bottom of the East Fork of the Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E NW/S16.
259
Comment
CHSC47427
Chamaesyce maculata
Lowell Ahart
1984-8-19
4786
Butte
North of the state borrow area, west of Pacific Heights Road, about 5 miles south-west of Oroville.
36
Comment
CHSC45277
Chamaesyce nutans
Vernon Oswald
1988-10-29
3721
Butte
Chico Tree Improvement Center (former USDA Plant Introduction Station) in se Chico.
68
Comment
CHSC31678
Chamaesyce ocellata
L. Ahart
1976-7-4
1153
Butte
Pasture fields. Peter Ahart Ranch, Honcut.
45
Comment
UC765101
Chamaesyce ocellata
R. F. Hoover
1938-8-2
3718
Butte
7 mi s Chico
Comment
UC765099
Chamaesyce ocellata
R. F. Hoover
1938-8-2
3716
Butte
13 mi s Chico
Comment
CHSC30762
Chamaesyce serpillifolia subsp. serpillifolia
M. S. Taylor
1978-9-8
1887
Butte
Along flood control slough, ca. 4 mi n of Chico, on Hwy 99.
60
Comment
UC426921
Chamerion angustifolium subsp. circumvagum
E. B. Copeland
1930-7-21
428
Butte
Jonesville
1600
Comment
CAS-BOT-BC69445
Cheilanthes gracillima
A. A. Heller
1917-7-29
12852
Butte
Summit of Jonesville.
2133
Comment
CHSC39234
Cheilanthes gracillima
M. S. Taylor; L. Ahart, J. Jokerst
1982-1-17
5214
Butte
Vicinity of mouth of Flag Canyon. On top of North Table Mt., ca. 8 mi n of Oroville.
373
Comment
UC1609401
Cheilanthes gracillima
Lowell Ahart
1993-6-26
7039
Butte
ca 1 air mi nw Lost Creek Reservoir Dam; Jackass Flat, Mooreville Ridge
1158
Comment
SEINET10834177
Cheilanthes siliquosa
Mary Susan Taylor
1981-3-18
Taylor 3423
Butte
T23N R4E north center third sec 30 Paradise SE quad; from bridge crossing West ranch Feather River, ca. 1/4-1/2 mi e and s along Ponderosa Way (Jordan Hill Rd), e of Magalia; 1600-1900 ft.
488
Comment
CHSC50360
Chenopodium pratericola
Vernon Oswald; Robert McNairn
1990-6-1
4277
Butte
Arroyo Chico (section not surveyed). 2815 San Verbena, northeast Chico.
62
Comment
CHSC110403
Chenopodium strictum var. glaucophyllum
Lowell Ahart
2012-9-28
18457
Butte
Restoration area, south of Vallombrosa Avenue, north of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
CHSC94657
Chenopodium strictum var. glaucophyllum
Lowell Ahart
2006-9-28
13368
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
CHSC91466
Chlorogalum pomeridianum var. pomeridianum
Lowell Ahart
2005-7-13
12148
Butte
About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville.
759
Comment
CHSC84158
Chondrilla juncea
Lowell Ahart
2003-6-30
10331
Butte
Near the water pipe where it comes out of the mountain, on the north side of the Ponderosa Reservoir, about 2 miles (air) north of Forbestown.
481
Comment
JEPS103563
Chondrilla juncea
Lowell Ahart
2002-7-18
9875
Butte
On the W edge of Lumpkin Road, ca 1/8 mile S of the Enterprise Bridge across Lake Oroville, ca 11 1/2 miles (air) NE of Oroville.
326
Comment
RSA104166
Chorizanthe membranacea
R. M. Austin
1883-1
s.n.
Butte
[No location data on label]
Comment
CHSC39074
Chorizanthe polygonoides var. polygonoides
R. A. Schlising
1980-4-6
3545
Butte
E of Chico along Skyway, 3.5 mi S of Paradise.
213
Comment
JEPS104309
Chorizanthe stellulata
Lowell Ahart
2003-5-27
10218
Butte
Rifle and Trap Range, ne of Horseshoe Lake, n of Parking Area E, Upper Bidwell Park, ca 1 1/2 mi e of Manzanita Avenue, Chico.
103
Comment
UC101516
Chorizanthe stellulata
Mrs. R. M. Austin
1883-1
Butte
Comment
JEPS87145
Cinna latifolia
Lowell Ahart
1992-7-26
6836
Butte
small stream about 1/2 mi n Carr Mine (s side of Coon Hollow, about 2 (air) mi s of Snow Mountain); s side Coon Hollow
1737
Comment
RSA0047111
Cinna latifolia
L. Ahart
2006-8-15
13191
Butte
On the east side 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.
1570
Comment
UC1131370
Cinna latifolia
H. S. Yates
1936-8-13
6098
Butte
Butte Meadows; Paynes Creek Quadrangle
Comment
CAS-BOT-BC438983
Cistanthe monosperma
M. S. Taylor
1982-6-24
4743
Butte
At Rag Dump 5, ca. 2 mi n of Flea Mt, ca. 10 mi n of Jarbo Gap on Hwy 70.
1158
Comment
SD122548
Clarkia biloba subsp. brandegeeae
Lowell Ahart
1984-6-8
4658
Butte
Along Ponderosa Way, ca. 1/8 mile West of Ponderosa Dam, ca. 2 miles North West of Forbestown.
370
Comment
CDA38048
Clarkia gracilis
T. C. Fuller
1958-7-7
1906
Butte
Highway 40 Alt., 0.1 mile north of bridge, North Fork Feather River, 1 mile south of Pulga.
0
Comment
RSA144788
Clarkia gracilis subsp. gracilis
G. I. Stage, R. Thorp
1959-6-21
59 -119
Butte
11.9 miles north-east of Chico.
Comment
CHSC71156
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1995-7-7
4837
Butte
Chino Ridge, 200 ft southeast of Chino Creek along Road 23N28, 4.6 mi north of Road 22N34. South-facing road cutbank.
749
Comment
UC1730255
Clarkia mildrediae subsp. mildrediae
L. P. Janeway
1994-6-17
4663
Butte
NW side of canyon of North Fork Feather River, along Pulga Road (Camp Creek Road) 3.0 mi N of Pulga Bridge (Hwy 70)
603
Comment
CHSC70738
Clarkia mosquinii
L. P. Janeway; Perrie Cobb
1993-7-6
4430
Butte
Southwestern end of Watson Ridge; about 1.8 mi east-northeast of Bald Rock Dome; about 0.7 mi northwest of Fall River. Road cutbank on south-trending ridge nose.
1097
Comment
POM32285
Clarkia purpurea subsp. purpurea
A. A. Heller, H. E. Brown
1902-5-6
5472
Butte
Berry Canyon (near Clear Creek).
Comment
CAS-BOT-BC163638
Clarkia purpurea subsp. quadrivulnera
Carl B. Wolf
1937-5-18
8733
Butte
Northern Sierra Nevada. 8 7/10 mi. below Magalia on Oroville Road
365
Comment
CHSC75386
Clarkia purpurea subsp. quadrivulnera
Jennifer Slater
1997-4-12
16
Butte
Upland area at the Wurlitzer addition of the Vina Plains Preserve approx. one mile west of Highway 99.
67
Comment
SEINET7073009
Clarkia purpurea subsp. quadrivulnera
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
UCD104931
Clarkia purpurea subsp. quadrivulnera
L. D. Gottlieb
1987-8-22
8753
Butte
On Centerville Road, 1.8 miles S of Nimshew Road.
Comment
CHSC70743
Clarkia rhomboidea
L. P. Janeway
1993-6-3
4366
Butte
South end of Swayne Hill, along the road to Big Bar Mountain (Road 23N28).
731
Comment
CHSC70751
Clarkia rhomboidea
L. P. Janeway
1993-6-23
4402
Butte
Along Road 23N28 0.2 mi south of crossing of Last Chance Creek.
807
Comment
UC600558
Clarkia rhomboidea
H. F. Copeland
1931-6-10
1520
Butte
crest between Colby Creek and Willow Creek; Jonesville
1676
Comment
SEINET10939937
Clarkia rhomboidea
Mary Susan Taylor
1978-6-24
Taylor 1642
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
SEINET12194214
Clarkia rhomboidea
L. Ahart, Ahart, P.
1984-1
4651
Butte
On a large road cutbank along Hwy. 40, now called Dark Canyon Rd., ca 2 mi E of Old Yankee Hill;
450
Comment
RSA65644
Claytonia palustris
F. W. Peirson
1926-6-21
6774
Butte
Butte Meadow, Humboldt Road
Comment
SFV14448
Claytonia palustris
J. R. Swanson
1959-7-4
490
Butte
Jonesville. South bank of Jones Creek. 0.4 km east of the Jonesville Hotel.
1550
Comment
SEINET13094404
Claytonia palustris
John R. Swanson
1959-1
490
Butte
Jonesville, meadow above south bank of Jones Creek, 0.4 km east of the Jonesville Hotel.
1550
Comment
UC204570
Claytonia parviflora subsp. parviflora
A. A. Heller
1914-4-6
11240
Butte
12 mi from Chico (Chico-Oroville road, on the banks of Dry Creek); Dry Creek
Comment
RSA715846
Claytonia perfoliata
L. P. Janeway
2005-3-1
8342
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
CHSC42810
Clintonia uniflora
L. P. Janeway
1987-6-13
2221
Butte
Along Concow Rd just SW of rd to Five Corners and Stirling City.
1188
Comment
CHSC114647
Collinsia greenei
Vivian Paarker
1993-6-16
17 -21
Butte
Yolla Bolly Ranger District. Serpentine ridge above and north of Snake Lake, north of FS road 28N10.
1260
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
CHSC48981
Collinsia parviflora
Vernon Oswald; Lowell Ahart
1987-5-14
2398
Butte
Road paralleling Scotts John Creek, 0.6 mi n of the road connecting Humbolt and Humbug Roads.
1780
Comment
CHSC114963
Collinsia sparsiflora var. collina
Lowell Ahart
2015-3-14
19953
Butte
On the south side of Beatson Hollow, south of where the small stream flows into the stream on the bottom of Beatson Hollow, about 1-1/4 miles (air) northwest of Cherokee Road, about 7miles (air) north of Oroville.
302
Comment
CHSC43510
Collinsia sparsiflora var. collina
Lowell Ahart
1979-4-17
1829
Butte
About 1/4 mile north of Avacado Avenue, about 2 miles north-west of Bangor.
137
Comment
CHSC102172
Collinsia tinctoria
Lowell Ahart
2009-5-30
15785
Butte
On dry soil, around large rocks, north of a broad open drainage in oak woodland, about 100 yards north of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico.
269
Comment
CHSC38688
Collinsia tinctoria
Vernon Oswald
1983-5-18
501
Butte
Upper Bidwell Park, Chico, near Yahi Trail 1200 ft e of Parking Area N (Salmon Hole).
170
Comment
JEPS105626
Collinsia tinctoria
L. P. Janeway, John Hunt
2003-6-6
7814
Butte
Northern Sierra Nevada Foothills. East-southeast facing slope above Lake Oroville 350 m northeast of the north end of Bidwell Bar Bridge
296
Comment
UC176144
Comandra umbellata subsp. californica
A. A. Heller
1913-6-7
10805
Butte
near Stirling
1074
Comment
SEINET10454740
Conium maculatum
Mary Susan Taylor
1982-4-28
Taylor 4357
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
SEINET10870113
Convolvulus arvensis
Mary Susan Taylor
1982-5-22
Taylor 4499
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
CAS-BOT-BC285920
Conyza bonariensis
Lowell Ahart
1974-11-21
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
POM196099
Corallorhiza maculata
E. B. Copeland
1929-7-22
356
Butte
Jonesville
1550
Comment
CHSC2335
Corallorhiza striata
J. Chew
1954-5-30
Butte
Road between Rag Dump and Flea Valley.
1097
Comment
RSA412331
Cordylanthus pilosus subsp. pilosus
H. F. Copeland
1928-8-14
382
Butte
Neighborhood of Jonesville.
1829
Comment
HSC97156
Cordylanthus pilosus subsp. trifidus
L. Ahart
2003-8-7
10479
Butte
0.5 mi. N of Cherokee Rd., N Table Mtn., about 7 mi. (air) N of Oroville
320
Comment
RSA4169
Cordylanthus tenuis subsp. viscidus
E. B. Copeland
1929-7-29
469
Butte
Jonesville.
1650
Comment
UCD149963
Coreopsis stillmanii
Harry A. George
1967-4-24
s.n.
Butte
Table Mt.
Comment
CHSC42160
Cornus florida
Beth Chambers; K. R. Stern
1986-4-4
1
Butte
Creek population, Bidwell Park in Chico, along Big Chico Creek.
61
Comment
CHSC27211
Cornus florida var. rubra
P. Moyer
1972-5-1
224
Butte
CSUC Campus. N side Chico Creek, e side entrance Gus Magnolis Bridge.
60
Comment
CHSC31655
Cornus sericea subsp. occidentalis
L. Ahart
1977-5-20
1386
Butte
Along the edges of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC20387
Corydalis caseana subsp. caseana
L. M. Mayer; D. E. Brink
1974-8-20
Butte
Willow Creek, at the Tehama County line. 1/2 mi downstream from the junction of the creek and Colby Mountain Lookout Rd.
Comment
UC1499975
Corydalis caseana subsp. caseana
Lowell Ahart
1983-8-16
4301
Butte
1 mi. e. Butte Meadows (small stream that flows into Butte Meadows)
1450
Comment
UC398916
Corydalis caseana subsp. caseana
E. B. Copeland
1929-7-3
365
Butte
Jonesville
1500
Comment
UCD95109
Corydalis caseana subsp. caseana
L. Ahart
1983-8-16
4301
Butte
Along a small stream that flows into Butte Creek, 1 mile east of Butte Meadows.
1450
Comment
CAS-BOT-BC401847
Corydalis caseana subsp. caseana
H. F. Copeland
1920-8-2
203
Butte
In Butte Creek
1676
Comment
SFV16941
Corylus cornuta subsp. californica
J. N. Hogue
1980-9-6
83 .7
Butte
Sierra Nevada Toadtown, 4 miles west of Stirling City, along Little Butte Creek.
915
Comment
CHSC29110
Corylus cornuta var. californica
M. S. Taylor
1980-4-27
2555
Butte
Along Middle Butte Creek off of Little Butte Creek. Ca. 1 1/2 mi se of Nimshew.
609
Comment
SEINET10478568
Corylus cornuta var. californica
Mary Susan Taylor
1978-7-21
Taylor 1797
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
CHSC90637
Cotula australis
Lowell Ahart
2005-4-2
11680
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
CAS-BOT-BC427626
Crassula aquatica
Lowell Ahart
1984-5-12
4604
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville
50
Comment
CHSC80522
Crassula aquatica
Lowell Ahart
2001-4-15
8729
Butte
A deep ditch, southeast of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
JEPS122204
Crassula aquatica
Lowell Ahart
2014-4-25
19397
Butte
On the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale.
Comment
CHSC44954
Crassula connata
Pauleen Broyles
1988-3-12
1100
Butte
Between Reservoir and Singer Creek. The Nature Conservancy Vina Plains Preserve.
Comment
RSA636050
Crassula connata var. erectoides
Michael A. Vincent, Ethan H. Freid
1998-4-6
8126
Butte
Table Mountain
Comment
CHSC14034
Crataegus monogyna
L. W. Blaisdell
1974-4-29
10
Butte
Paradise. In yard of L. W. Blaisdell.
548
Comment
CHSC109865
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.
895
Comment
CHSC33522
Crepis pleurocarpa
R. A. Schlising; R. Banchero, K. Tarp
1981-7-11
4139
Butte
E of N Fork of Feather River. Along Coyote Gap road, ca 0.5 mi S of Coyote Gap.
1219
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
CHSC76018
Crypsis schoenoides
Lowell Ahart; Vernon H. Oswald
1999-8-13
8148
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
SEINET10518393
Crypsis vaginiflora
A. Arthur Heller
1914-7-31
Heller 11632
Butte
Chico-Hamilton road, 6 miles from Chico.
Comment
CHSC33409
Cryptantha affinis
R. A. Schlising; R. Banchero
1980-7-28
3933
Butte
E. of Jonesville, on road towards Scotts John Creek.
1828
Comment
RSA718071
Cryptantha affinis
L. Ahart
2006-7-16
13000
Butte
On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1525
Comment
CHSC103214
Cryptantha crinita
Paul Kirk; John Hunt
2010-5-25
101
Butte
Bidwell-Sacramento River State Park, large gravel bar on the east side of Sacramento River just upstream of confluence with Big Chico Creek. UTM, Zone 10: E 590655, N 4394848.
36
Comment
CHSC46754
Cryptantha flaccida
Lowell Ahart
1984-6-8
4668
Butte
Along the dirt road to the generator on the north side of the Ponderosa Reservoir, about 3/4 mile east of the Ponderosa Dam, about 2 miles north of Forbestown.
426
Comment
POM64246
Cryptantha flaccida
E. B. Copeland
1903-5-2
3253
Butte
Chico
Comment Read comments Jan 23 2011
UC196286
Cryptantha flaccida
A. A. Heller
1914-4-27
11325
Butte
8 mi n Oroville
Comment
SBBG63701
Cryptantha glomeriflora
M. M. Miles
-May-1886
Butte
Butte County [no specific locality]
Comment
UC194024
Cryptantha rostellata
C. C. Parry
Apr 1887
Butte
near Chico
Comment
CHSC69104
Cryptogramma acrostichoides
Lowell Ahart
1997-8-1
7786
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
CHSC51257
Cucumis melo
Lowell Ahart
1990-10-5
6629
Butte
On the bottom of McCabe Creek, below the high water line of Lake Oroville, about 1/4 mile south-west of the Enterprise Bidge across Lake Oroville.
228
Comment
CHSC100476
Cupressus lusitanica
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15423
Butte
In the east part of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
UC333578
Cupressus macnabiana
J. G. Lemmon
1895-12-2
Butte
Magalia
Comment
UCD69257
Cupressus macnabiana
D. Sanchez-Mata; D. Sanchez-Mata and P. Rodriguez-Rojo
1997-8-16
s.n.
Butte
Magalia near Magalia Reservoir.
680
Comment
SEINET10932809
Cupressus macnabiana
Carl B. Wolf, E. R. Johnson
1934-10-5
Wolf 2121
Butte
Sierra Nevada foothills, at Magalia. Upper sonoran:- Digger Pines. Sun. Bright green serpentine.
700
Comment
CHSC45555
Cycloloma atriplicifolium
Lowell Ahart
1981-9-26
3201
Butte
Growing on a sandbar along the Sacramento River, about 6 miles west of Chico.
36
Comment
SBBG128008
Cymopterus terebinthinus var. californicus
L. Ahart
2010-9-21
17233
Butte
between the Sky High Mine and Dresser Camp, ca. 2 mi SE of the Philbrook Reservoir Dam, ca. 7 mi SE of Butte Meadows
1917
Comment
CHSC102817
Cynodon dactylon
Lowell Ahart
2009-6-19
15932
Butte
West of the trail, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CHSC152
Cynoglossum grande
M. Roberson
1956-3-9
Butte
S.W. of Paradise, along Skyway.
426
Comment
POM72532
Cynoglossum grande
C. C. Bruce
1897-03
2092
Butte
Little Chico
Comment
SEINET10497510
Cynoglossum grande
Mary Susan Taylor
1980-5-8
Taylor 2617
Butte
T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
UC480689
Cynoglossum grande
H. F. Copeland
1923-2-24
107
Butte
Ferny Way near Chico
Comment
CHSC33796
Cynoglossum occidentale
M. S. Taylor
1981-5-4
3595
Butte
SW of 21N80, s side of spur rd near plantation, ridge south of Galen Ridge, ca. 3 mi sw of Brush Creek.
914
Comment
CAS-BOT-BC190389
Cynosurus echinatus
John Thomas Howell; Gordon H. True
1968-6-12
44563
Butte
Sierra Nevada. Just west of Pulga Bridge, Feather River Canyon.
426
Comment
CHSC111967
Cynosurus echinatus
Lowell Ahart
2012-6-2
18142
Butte
South edge of Truex Road, about 40 yards east of the intersection of Truex Road and Trevor Road, about 1/8 mile northwest of the West Branch Bridge across Lake Oroville.
306
Comment
CHSC6066
Cynosurus echinatus
B. Wilson
1968-5-16
202
Butte
E border of Bidwell Park, Chico.
59
Comment
JEPS103526
Cynosurus echinatus
Lowell Ahart
2002-6-21
9737
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
CHSC30503
Cyperus difformis
J. D. Jokerst; M. S. Taylor
1979-11-1
634
Butte
Field north of Goodspeed-Watt Road, 0.1 mi N of its jct with Nelson, ca 6.0 mi S of Chico.
Comment
CHSC81932
Cyperus difformis
L. P. Janeway
2001-6-13
7167
Butte
Sacramento Valley. On east side of the Sacramento River about 1.8 km southeast of Ord Ferry Road bridge.
29
Comment
CHSC43787
Cyperus esculentus
Vernon Oswald
1982-7-19
Butte
Upper Bidwell Park, Chico, just downstream from the diversion dam on Lindo Channel.
79
Comment
POM219532
Cyperus esculentus
H. F. Copeland
1923-8-13
550
Butte
Nelson.
Comment
JEPS97341
Cyperus flavescens
Lowell Ahart
1995-8-19
7618
Butte
1 mi N and 2 3/4 mi E of Honcut; Peter Ahart Ranch
36
Comment
UCD139948
Cyperus flavicomus
Whitney Brim-DeForest
2013-8-16
s.n.
Butte
Biggs Rice Station, NNW of the town of Biggs. In rice field located just on the north side of West Hamilton Road, ca. 1.74 miles west of Hwy 99.
29
Comment
CHSC109779
Cyperus fuscus
Lowell Ahart
2012-10-20
18500
Butte
About 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
SEINET4896966
Cyperus fuscus
L. Ahart, V. H. Oswald
1999-8-13
8181
Butte
12 miles SW of Chico. Legal: T20N R1W
Comment
CDA42918
Cyperus iria
L. Ahart
2012-8-6
18415
Butte
On the west side of Richvale South Highway, about 1 1/2 miles south of Richvale.
Comment
CHSC110390
Cyperus niger
Lowell Ahart
2012-9-28
18469
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the freeway, Lower Bidwell Park, Chico.
65
Comment
CHSC26749
Cyperus niger
M. S. Taylor; M. Hayes
1977-8-16
1447
Butte
Near the man-made ponds on Clear Creek, Butte College Campus, ca. 15 mi s of Chico.
60
Comment
JEPS124350
Cyperus niger
Lowell Ahart
2015-10-26
20598
Butte
About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
CHSC113428
Cyperus squarrosus
Lowell Ahart
2014-7-7
19576
Butte
North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
1690
Comment
CHSC45155
Cyperus squarrosus
Lowell Ahart
1974-7-1
504
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC76852
Cyperus squarrosus
L. P. Janeway
1999-6-26
6489
Butte
Sacramento Valley. Along east side of Sacramento River 1.0 mi southeast of Ord Ferry Road bridge.
29
Comment
UC600705
Cyperus squarrosus
H. F. Copeland
1930-7-29
1351
Butte
neighborhood of Jonesville
1828
Comment
UCD141100
Cyperus squarrosus
E. B. Copeland
1931-7-17
612
Butte
Jonesville.
1700
Comment
CHSC116137
Cyperus strigosus
Lowell Ahart
2015-11-7
20632
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
CHSC38902
Cyperus strigosus
Vernon Oswald
1983-6-20
724
Butte
Upper Bidwell Park, Chico, ca. 200 ft s of Upper Park Rd. and 1200 ft e of Parking Area N at Salmon Hole.
182
Comment
UC1563285
Cyperus strigosus
unknown
1990-10-3
6614
Butte
ca. 1/4 mi. n.e. of Canyon Creek Bridge across Lake Oroville (bottom of E. Fork Canyon Creek); E. Fork Canyon Creek
243
Comment
CHSC38237
Cystopteris fragilis
Vernon Oswald
1982-7-3
20
Butte
Bidwell Park, Chico, beside road leading to Police Pistol Range.
85
Comment
UC399284
Cystopteris fragilis
Mrs. Carlotta C. Hall
July 1914
9791
Butte
Humboldt Rd
Comment
CAS-BOT-BC189852
Danthonia californica
Lowell Ahart
1983-6-21
4093
Butte
Sierra Nevada. Along Bloomer Hill Road, ca. 1.25 mile west of the Oroville Quincy Highway, ca. 15 miles northeast of Oroville.
450
Comment
CHSC68914
Danthonia californica var. americana
Lowell Ahart
1997-7-11
7755
Butte
Along a stream, north of the dirt road, southeast of Cold Creek, about 2 miles (air) southwest of Bald Mountain, about 9 miles by road from Stirling City, or about 2 miles (air) northeast of Stirling City.
1219
Comment
CHSC76402
Datisca glomerata
Lowell Ahart; Vernon H. Oswald
1999-10-3
8289
Butte
East side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC105788
Daucus carota
Lowell Ahart
2010-9-13
17153 -A
Butte
Open dry areas, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo.
31
Comment
CHSC35967
Daucus pusillus
M. S. Taylor
1982-5-21
4491
Butte
On n side of Hwy 70 along Pulga Rd near Pulga bridge over the Feather River, ca. 20 air mi ne of Oroville.
487
Comment
CHSC32756
Delphinium gracilentum
J. D. Jokerst; R. A. Schlising
1981-4-16
1296
Butte
S side of Olive Highway, 0.4 mi SW of its junction with Forbestown Rd (ca 6.0 mi E of Oroville).
Comment
CHSC33138
Delphinium gracilentum
J. D. Jokerst; M. S. Taylor
1980-4-19
614
Butte
Butte Cr. Canyon 7.4 mi N of the Centerville Cemetary on Humbug Road.
Comment
CHSC46501
Delphinium hansenii
Lowell Ahart
1989-5-31
6328
Butte
Along Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville.
304
Comment
CHSC104822
Delphinium hansenii subsp. hansenii
Lowell Ahart
2010-6-1
16757
Butte
On the south side of the Guardians Trail or South Rim Trail, under the power lines, upper Bidwell Park, about 2 miles (air) east of Chico.
144
Comment
JEPS104466
Delphinium hansenii subsp. hansenii
Lowell Ahart
2003-5-27
10225
Butte
On the e side of the dirt road, at Parking Area P, Upper Bidwell Park, ca 5 mi e of Manzanita Avenue, Chico.
228
Comment
RSA0118757
Delphinium hansenii subsp. hansenii
Lawrence P. Janeway
2016-5-5
11941
Butte
Cascade Range Foothills. Along Humboldt Road 2.3 road-km northeast of Bruce Road; Chico.
152
Comment
UC854270
Delphinium nuttallianum
A. A. Heller
1915-6-27
12038
Butte
Jonesville Sierra Nevada
1676
Comment
CHSC77437
Delphinium patens
Laura Bogni
1997-4-5
18
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC48689
Delphinium patens subsp. patens
Vernon Oswald
1985-5-2
1745
Butte
Concow Rd. 1.1 mi sw of its jct. with Ponderosa Way.
853
Comment
CAS-BOT-BC121623
Delphinium patens subsp. patens
Saichi Kawahara
1968-5-4
394
Butte
James Ripley's property, Graham Road, Paradise
640
Comment
CHSC41524
Delphinium variegatum
Richard J. Slama
1981-4-20
12
Butte
Ca. 5 mi. e of Chico, ca. 3 mi. e of hwy 99 and hwy. 32, ca. 2 mi. e on Humboldt Rd. on n side.
99
Comment
CHSC53167
Delphinium variegatum
Steve Alverez
1980-3-24
20
Butte
Ca. 4.7 km e of Chico, 2.1 km wsw of Paradise, 0.1 km s of n edge of Coon Ridge, 0.2 km n of Skyway road.
270
Comment
CHSC53298
Delphinium variegatum
R. J. Goedl
1976-4-20
1
Butte
Ca. 6.4 mi se of Chico on Skyway, 25 yds s of Highway. Field.
213
Comment
UCD96741
Delphinium variegatum
J. P. Smith; J. O. Sawyer
1973-4-14
6058
Butte
Bruce Lane, between Skyway and Humboldt Road east of Chico.
Comment
CHSC90007
Delphinium variegatum subsp. variegatum
Charles Crannell
1991-4-22
18
Butte
Found along side of Hwy 32, 4.1 mi northeast of Chico.
243
Comment
CAS-BOT-BC82878
Dendromecon rigida
John Thomas Howell
1962-6-15
37443
Butte
Sierra Nevada. Magalia.
731
Comment
SEINET10448608
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1981-5-15
Taylor 3752
Butte
T22N R5E nw sec 29, Berry Creek quad. End of spur rd 22N84A, ridge SW of Stony Creek, ca. 2.5 air mi due E of Jarbo Gap on Feather River Hwy 70. Yellow Pine Forest; 3100 ft.
945
Comment
CHSC9126
Deschampsia cespitosa
Willis Ball
1970-3-10
69
Butte
Along the Skyway to Paradise, about 5 miles after the turn off to Paradise from hwy 99E. On the right side of the road.
182
Comment
CHSC34605
Deschampsia danthonioides
Mary Banchero
1979-4-18
18
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. Roadside.
56
Comment
CHSC44247
Deschampsia danthonioides
V. Oswald; L. Ahart
1988-7-13
3577
Butte
Road to High Lakes e of Philbrook Reservoir. On the n side of the road.
1859
Comment
CHSC6095
Deschampsia danthonioides
A. R. Jaegel
1968-4-21
121
Butte
In ditch, 10 yds. below Horseshoe Lake, Bidwell Park, Chico.
Comment
SEINET3927686
Deschampsia danthonioides
B. Ertter, Jeff Strachan
1980-5-5
3255
Butte
Peter Ahart Ranch ca 1.5 miles northeast of Honcut between Oroville and Marysville. North of house.; 0
30
Comment
CAS-BOT-BC201738
Deschampsia elongata
Lowell Ahart
1980-9-10
2639
Butte
5 miles east of Milsap Bar
1200
Comment
CAS-BOT-BC201749
Deschampsia elongata
Lowell Ahart
1987-7-17
5822
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
SEINET10508569
Deschampsia elongata
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4073
Butte
T20N R5E sec 6. Along Bloomer Hill Rd, ca. 3/4 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 425 m.
425
Comment
CHSC48253
Dianthus armeria subsp. armeria
Vernon Oswald
1985-6-12
1828
Butte
W side of Kunkle Reservoir se of Paradise.
445
Comment
SD8288
Dicentra formosa
Daniel Cleveland
1882-7-14
Butte
Sutton House
Comment
CHSC52184
Dicentra formosa subsp. formosa
L. P. Janeway
1989-5-17
3254
Butte
Along rd to Forbestown Diversion Dam 2.9 mi from Forbestown Rd.
792
Comment
CAS-BOT-BC500062
Dichelostemma capitatum
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-9
64
Butte
S. of Paradise on Cherokee Rd at 7.5 mile marker
350
Comment
CHSC41231
Dichelostemma capitatum subsp. capitatum
J. D. Jokerst
1985-3-29
2185
Butte
Immediately NE of the marsh area indicated on USGS map, ca. 1/2 mile north of Cottonwood Rd, NW of PG and E substation several hundred meters. Several miles northwest of Oroville.
45
Comment
CHSC56817
Dichelostemma capitatum subsp. capitatum
Cynthia D. Seaman
1980-4-11
4
Butte
10 ft e of creek, ca. 1/2 mi n on dirt road off Big Bend Rd, ca. 5 mi se of Hwy 70, ca. 27 mi n of Oroville.
719
Comment
HSC45005
Dichelostemma capitatum subsp. capitatum
J. P. Smith
1973-3-22
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
RSA715725
Dichelostemma capitatum subsp. capitatum
L. P. Janeway
2005-3-1
8339
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road
134
Comment
CDA13865
Dichelostemma multiflorum
G. F. Hrusa, T. D. Wilfred
1997-5-7
13723
Butte
Sierra Nevada; SSE slope above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CHSC37709
Dichelostemma multiflorum
M. S. Taylor
1980-4-27
2570
Butte
N side of Humbug Rd, ca. 1/4 mi upstream from Honey Run Covered Bridge, ca. 7 mi. e of Chico.
121
Comment
CAS-BOT-BC501085
Dichelostemma multiflorum
A. A. Heller
1914-5-19
11421
Butte
8 miles north of Oroville
Comment
CAS-BOT-BC208984
Digitaria ischaemum
John Thomas Howell
1959-9-20
34642
Butte
Eastern outskirts of Oroville - Sierra Nevada
60
Comment
JEPS115002
Digitaria sanguinalis
Lowell Ahart
2007-11-3
14568
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
UCD64139
Digitaria sanguinalis
L. Ahart
1982-10-15
3889
Butte
On the bottom of North Honcut Creek, ca. 2.7 mi. NE of Honcut.
50
Comment
CHSC104804
Diospyros virginiana
Lowell Ahart
2010-6-12
16804
Butte
North side of the pond, southeast of table, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
249
Comment
SEINET13693686
Diplacus aurantiacus
M. J. Williams, W. Roderick
1984-5-25
84- 24 -1
Butte
Feather River Canyon, Hwy 70, near Arch Rock Tunnel.
Comment
CAS-BOT-BC151924
Diplacus douglasii
H. E. Brown
1897-4-15
198
Butte
Near Clear Creek
Comment
CAS-BOT-BC150497
Diplacus grandiflorus
John Thomas Howell
1962-6-15
37444
Butte
Magalia
731
Comment
CAS-BOT-BC150498
Diplacus grandiflorus
Lowell Ahart
1983-7-29
4230
Butte
About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville
500
Comment
CAS-BOT-BC150502
Diplacus grandiflorus
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CDA41674
Diplacus grandiflorus
James I. Mallory
1970-5-26
374
Butte
Comment
CAS-BOT-BC153207
Diplacus kelloggii
L. P. Janeway
1993-5-20
4349
Butte
Swayne Hill. South-facing road cutbank overlooking lower French Creek
746
Comment
CAS-BOT-BC153208
Diplacus kelloggii
John Thomas Howell
1978-4-17
52843
Butte
Table Mountain
381
Comment
CHSC41897
Diplacus kelloggii
Lowell Ahart
1975-3-27
724
Butte
Along Swedes Flat Road, about 1/8 mi e of the bridge across Rocky Honcut Creek, ne of Bangor.
304
Comment
CHSC44752
Diplacus kelloggii
R. Banchero
1980-3-23
77
Butte
Along Crown Point Rd, 0.6 mi from its jct with Hwy 32.
539
Comment
CHSC38704
Diplacus layneae
Vernon Oswald
1983-6-11
667
Butte
Upper Bidwell Park, Chico, in Lindo Channel near the diversion weir.
79
Comment
CAS-BOT-BC153339
Diplacus layneae
Lowell Ahart
1989-5-28
6292
Butte
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
CAS-BOT-BC154035
Diplacus torreyi
A. A. Heller
1914-5-18
11414
Butte
West slope of the Sierra near Forest Ranch
822
Comment
CHSC28630
Diplacus torreyi
M. S. Taylor
1979-10-5
2235
Butte
Se side of Paradise lake, ca. 1/2 mi n of Coutolenc Rd, ca. 5 mi n of Magalia.
731
Comment
CHSC44803
Diplacus torreyi
R. Banchero
1980-6-2
182
Butte
Along Humbolt Rd 0.6 mi NE of its jct with Hwy 32, 3.8 mi SW of the Butte Meadow Fire Station.
1219
Comment
CAS-BOT-BC154170
Diplacus tricolor
A. A. Heller
1914-4-24
11314
Butte
Chico-Oroville road 7/8 miles from Chico
Comment
CHSC105273
Diplacus tricolor
Lowell Ahart
2010-6-20
16820
Butte
About 1/4 mile north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville.
59
Comment
CHSC39545
Diplacus tricolor
Lowell Ahart
1983-6-6
4029
Butte
Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut.
50
Comment
SEINET8370227
Diplacus tricolor
Christine C. Lorain
1995-4-30
2270
Butte
just E of Floral Road in the northern part of Chico.
61
Comment
CHSC100483
Dittrichia graveolens
Lowell Ahart
2008-11-8
15445
Butte
Parking area on the west side of the Midway, west of the intersection of Midway and East Park Avenue, Chico.
60
Comment
JEPS115045
Dittrichia graveolens
Lowell Ahart
2007-10-30
14506
Butte
Both sides of Lower Wyandotte Road, about 2 1/2 miles (air) northeast of Palermo, about 4 1/4 miles (air) southeast of Oroville
129
Comment
CHSC52117
Dodecatheon clevelandii var. patulum
Gary McGrath
1977-3-3
8
Butte
Ca. 10 m e of Cohasset Road, 10 km n of Chico.
75
Comment
CHSC27955
Dodecatheon hendersonii
M. S. Taylor
1979-3-20
1944
Butte
Ca. 1 mi n of jct of north fork Feather River and Hwy 70 along an old road, ca. 10 mi n of Oroville.
304
Comment
SEINET10973444
Dodecatheon hendersonii
Mary Susan Taylor
1979-3-20
Taylor 1944
Butte
T21N R4E nw1/4 sec. 21. Cherokee Quad. Along old road on N side of Hwy 70 following West Branch of the Feather River, which begins at S side of bridge over N fork of Feather River, ca. 10 mi N of Oroville; limestone outcrops within Foothill Woodland.
305
Comment
CHSC28146
Downingia bicornuta
Robert A. Schlising; Ellen Sanders
1979-4-28
3379
Butte
Near Richvale; vernal pools in grassland w of Hwy 99 and Thermalito Afterbay, 1/4 mi s of jct Hwy 99 and Hwy 162 to Oroville.
Comment
POM68177
Downingia bicornuta
Edward Palmer
1892-6-7
2083
Butte
Near Chico.
Comment
UCD55002
Downingia bicornuta
R. N. Raynor; H. A. Hannesson
1941-5-9
s.n.
Butte
4 mi. N of Gridley.
30
Comment
UC52284
Downingia bicornuta var. bicornuta
Mrs. R. W. Summers
Butte
Comment
CHSC112927
Downingia cuspidata
B. Castro; Tom Boullion
2011-4-21
1846
Butte
Sacramento Valley. N side of Thermalito Forebay/Power calanl, ca 0.3 mi W of Hwy 70 and ca 0.2 mi S of Garden Drive, at S end of picnic/boat ramp recreation area, on northside of Oroville.
71
Comment
CHSC47396
Downingia cuspidata
Lowell Ahart
1978-5-2
1701
Butte
Growing in shallow water in a vernal pool, near the large parking area on top of Table Mountain, about 7 miles north of Oroville.
426
Comment
UC195392
Downingia insignis
A. A. Heller
1914-5-30
11468
Butte
about 6 mi nw Chico; Sacramento Valley
Comment
UC1244057
Downingia montana
John R. Swanson
1959-6-13
461
Butte
300 yds w jct. of Camp Lassen rd. (Boy Scouts) with State Hwy. 32; Butte Meadows
1341
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
CHSC112885
Downingia ornatissima var. ornatissima
Robin Carter; Sabrina Bell
2011-6-1
Butte
Sacramento Valley. Ca 3 air mi E of Hwy 99, off SE corner of Thermalito Afterbay ca 0.5 mi NE of the Afterbay outlet and ca 170 ft NW of Larkin Road.
42
Comment
CHSC38286
Downingia ornatissima var. ornatissima
Vernon Oswald
1983-5-2
416
Butte
Upper Bidwell Park, Chico 50 ft s of Upper Park Rd. and 300 ft e of its junction with Wildwood Ave.
83
Comment
JEPS16284
Downingia ornatissima var. ornatissima
A. A. Heller
1914-4-17
11305
Butte
8 mi n Oroville
Comment
UC1609088
Downingia ornatissima var. ornatissima
Lowell Ahart
1993-5-17
6952
Butte
about 1.5 mi n and 3 mi e Honcut (on the w side of Dunstone Road, about 12 mi se of Oroville)
60
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
CHSC35013
Draba verna var. verna
R. E. Preston
1982-3-6
186
Butte
Dirt road, ridge on s side of canyon of Sycamore Creek; ca. 300 yds n of boundary of Upper Bidwell Park n of Horseshoe Lake, Chico.
182
Comment
CHSC48331
Draba verna var. verna
Vernon Oswald
1987-3-26
2296
Butte
Butte Creek Reserve on the e side of the Skyway and n side of Butte Creek near the entry gate.
71
Comment
CAS-BOT-BC401555
Drosera rotundifolia
Lowell Ahart
1984-7-19
4756
Butte
About 1/2 mile east of Bald Mountain, about 5 miles north-east of Stirling City
1750
Comment
CAS-BOT-BC159641
Drymocallis glandulosa var. glandulosa
Lowell Ahart
1985-5-15
774
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
800
Comment
JEPS110220
Dryopteris arguta
Lowell Ahart
2006-5-19
12634
Butte
Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga
405
Comment
SD233996
Dryopteris arguta
Virginia Pinkus Ryder
1965-4-4
410
Butte
Magalia, Feather River.
60
Comment
SEINET10530142
Dryopteris arguta
Mary Susan Taylor
1980-3-8
Taylor 2376
Butte
Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils.
488
Comment
CHSC115450
Dryopteris filix-mas
M. Sutton; C. Yasuda
2013-3-19
9
Butte
Feather Falls Trail.
1069
Comment
CHSC42190
Dudleya cymosa
A. L. Quesada
1986-4-19
2
Butte
Small population 3.3 mls from jct of Stilson Cyn on Humboldt Rd n of Chico.
152
Comment
CHSC90565
Dudleya cymosa
Diane Mastalir
1988-4-16
7
Butte
Bidwell Park, Chico, 3.0 mi ne from Wildwood Ave. on Upper Park Rd., .5 mi nw.
121
Comment
CHSC111982
Dudleya cymosa subsp. cymosa
Lowell Ahart
2012-6-2
18133
Butte
Along the sides of Truex Road, w. of intersection of Truex Rd. and Trevor Rd., about 1/8 mi. NW of West Branch Bridge across Lake Oroville.
286
Comment
CHSC29818
Dysphania ambrosioides
M. S. Taylor; J. D. Jokerst
1979-10-13
2248
Butte
By creek, crossing Jordan Hill Rd (Ponderosa Way on some maps) ca. 0.8 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise.
426
Comment
CHSC75995
Dysphania ambrosioides
Lowell Ahart
1999-8-22
8183
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
CHSC42962
Dysphania botrys
Lowell Ahart
1987-7-17
5831
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
CHSC83055
Dysphania pumilio
Lowell Ahart
2002-10-17
9990
Butte
On the hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
CAS-BOT-BC197105
Echinochloa crus-galli
Lowell Ahart
1981-9-19
3180
Butte
Arch Rock Tunnel, Hwy. 70
550
Comment
SEINET9611362
Echinochloa crus-galli
N. E. Brown
1896-10-2
Butte
near Oroville
53
Comment
CAS-BOT-BC197249
Echinochloa muricata
Lowell Ahart
1986-11-14
5463
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville
36
Comment
UCD61092
Echinochloa muricata
P. B. Kennedy
1921-9-9
Butte
Rice Station, Biggs.
Comment
CDA1999
Echinochloa oryzicola
E. Dean, J. M. DiTomaso, Evelyn Healy
2001-8-2
854
Butte
Biggs UC Field Station: north of town of Biggs, W of jct of Hwys 99 and 162. North side of Hamilton Road, ca. 1/8 miles E of jct with Riceton Hwy. Along second north-south running dirt road leading N into rice fields, at intersection with first east-west running dirt road, corner of rice field.
Comment
JEPS98266
Echinodorus berteroi
Lowell Ahart
2000-8-28
8666
Butte
6 air miles SW of Oroville (Oroville Wildlife Area, about 1/2 mi W of Oak Grove and Hwy 70, NW edge of large man made lake)
42
Comment
UCD137960
Echinodorus berteroi
W. W. Robbins
1931-9-3
2253
Butte
Biggs.
Comment
UC1101557
Elatine ambigua
Herbert L. Mason
1946-8-15
13051
Butte
near caretaker's house (#833 Irrigation Ditch); Butte Sink, Greylodge Game Refuge
Comment
CHSC113290
Elatine californica
Lowell Ahart
2014-4-9
19349
Butte
Bottom of shallow duck pond, south of Rutherford Road, about 1/4 mile southeast of the headquarters of the Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley.
20
Comment
CHSC46021
Elatine chilensis
Lowell Ahart
1974-5-1
448
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS87389
Elatine chilensis
Lowell Ahart
1993-5-17
6954
Butte
On the west side of Dunstone Road, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
CHSC94835
Eleocharis acicularis var. acicularis
Lowell Ahart
2006-10-8
13435
Butte
Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
609
Comment
CHSC78562
Eleocharis atropurpurea
Lowell Ahart
2000-9-4
8683
Butte
North of a large pond on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC78737
Eleocharis bella
Lowell Ahart
2000-9-15
8689
Butte
North of a large pond on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
SEINET3441881
Eleocharis decumbens
Unknown
2000-7-7
8560
Butte
Feather Falls, Feather Falls, about 4 air miles northeast, about 1 mile southwest of the intersectiof Lumpkin Ridge Road,road to Fall River and the county road, upper west branch of knownothing Creek, north side of Lumpkin Ridge Road
1210
Comment
CHSC42715
Eleocharis engelmannii
Lowell Ahart
1987-6-9
5724
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
CHSC78192
Eleocharis engelmannii
Lowell Ahart
2000-6-4
8445
Butte
In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown.
731
Comment
CAS-BOT-BC113371
Eleocharis engelmannii
Lowell Ahart
1987-5-10
5607
Butte
1/8 mi S of Central House Road, E of the Wester Pacific RR, ca. 1 1/2 N & 1 mi W of Honcut
30
Comment
CHSC102733
Eleocharis macrostachya
Lowell Ahart
2009-7-4
15997
Butte
On the bottom of a pond, on the west side of the gravel road, about 100 yards south of parking lot 3, Gray Lodge Watefowl Management Area, about 6 miles (air) southwest of Gridley.
21
Comment
CHSC112340
Eleocharis montevidensis
Lowell Ahart
2013-7-9
18837
Butte
East side of North Honcut Creek, at the end of the Lower Duck Hole, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 13 miles (air) southeast of Oroville.
44
Comment
CDA2610
Eleocharis pachycarpa
L. Ahart
2000-8-3
8676
Butte
Southeast of a large pond, about 100 yards south of the Feather River, west of the break in the levee, about 1/2 mile (air) west of Pacific Heights Road, Oroville Wildlife Area, about 3 1/3 miles (air) southwest of Oroville.
Comment
CHSC68441
Eleocharis pachycarpa
L. P. Janeway
1987-6-8
2164
Butte
Along French Creek Road across from the mouth of Ram Creek.
617
Comment
RSA4407
Eleocharis palustris
E. B. Copeland
1931-7-15
613
Butte
Jonesville.
1750
Comment
CHSC45178
Eleocharis quinqueflora
Lowell Ahart
1970-4-4
39
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC78204
Eleocharis quinqueflora
Lowell Ahart
2000-5-27
8405
Butte
West of the lone oak tree, west of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
JEPS104211
Eleocharis rostellata
Lowell Ahart
2003-5-27
10224
Butte
About 100 yd w of the dirt road, w of Diversion Dam on Big Chico Creek, w of Parking Area L, Upper Bidwell Park, ca 3 1/2 mi e of Manzanita Avenue, Chico.
121
Comment
RSA691016
Eleocharis rostellata
L. Ahart, John Dittes, Josephine Guardino, Steven Green
2003-5-27
10224
Butte
about 100 yards west of the dirt road, west of Diversion Dam on Big Chico Creek, west of Parking Area L, Upper Bidwell Park, about 3.5 miles east of Manzinita Avenue, Chico.
122
Comment
CHSC44441
Elodea canadensis
Lowell Ahart
1988-5-30
6020
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC11333
Elymus caput-medusae
Lowell Ahart
1970-5-12
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC28462
Elymus caput-medusae
R. A. Schlising
1979-5-30
3426
Butte
Richvale vernal pools, 1/4 mile S of jct Hwy 162-to-Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
CHSC38861
Elymus caput-medusae
Vernon Oswald
1983-3-30
226
Butte
Upper Bidwell Park, Chico, between the s dike of Horseshoe Lake and Upper Park Rd.
97
Comment
CHSC4303
Elymus caput-medusae
V. Hagaman
1966-5-21
Butte
Bare Hole about 20 ft. n of stream up side of bank.
Comment
UCD61569
Elymus elymoides
A. A. Heller
1917-7-29
12867
Butte
Summit above Jonesville.
2133
Comment
CHSC101797
Elymus elymoides subsp. californicus
Lowell Ahart
2009-5-15
15683
Butte
About 10 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
235
Comment
CHSC61551
Elymus elymoides subsp. californicus
Lowell Ahart
1993-6-20
7005
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
SEINET10507701
Elymus glaucus
Mary Susan Taylor
1977-6-25
Taylor 1364
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CHSC71212
Elymus glaucus subsp. glaucus
Lowell Ahart
1998-6-3
7973
Butte
About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CHSC87922
Elymus glaucus subsp. glaucus
Lowell Ahart
2004-5-27
10959
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
CHSC49577
Elymus multisetus
Vernon Oswald
1987-6-2
2944
Butte
Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd.
883
Comment
CHSC34035
Elymus stebbinsii subsp. septentrionalis
L. Ahart
1981-7-7
2928
Butte
Hillside, ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown.
750
Comment
CHSC44172
Elytrigia elongata
V. Oswald; L. Ahart
1988-7-29
3634
Butte
Ca. 3 mi (air) se of Jonesville on Humbug Rd, ca. 0.3 mi w of Butte Creek House at the logging road southward to Summit Lake and Snow Mtn. Roadside.
1755
Comment
CHSC74040
Elytrigia pontica subsp. pontica
B. Castro
1998-7-8
805
Butte
Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Below footpath at upper edge of meadow.
929
Comment
CHSC97291
Elytrigia pontica subsp. pontica
Lowell Ahart
2007-8-3
14404
Butte
Waste area on the northwest side of Nelson Road, about 1/4 mile northeast of Seven Mile Lane, about 7 1/2 miles west of Nelson.
29
Comment
CAS-BOT-BC410231
Enemion occidentale
Flower Shaw
1929-4-1
s.n.
Butte
Unspecified.
Comment
CHSC3342
Ephedra distachya
Robert L. Smith
1966-3-1
21
Butte
U. S. Plant Introduction Station 5 miles S. E. of Chico.
Comment
SEINET10453209
Epilobium adenocaulon var. parishii
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4212
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
SEINET10874040
Epilobium adenocaulon var. parishii
Mary Susan Taylor
1979-8-4
Taylor 2180
Butte
T23N R5E center of S border sec. 22/27. Ca. 1 mi N of Cresta Powerhouse on Hwy 70, ca. 30 mi N of Oroville; granitic soils.
488
Comment
UCD105375
Epilobium brachycarpum
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13064
Butte
Northern Sacramento Valley. East Gridley Road at the west edge of the Feather River bridge.
27
Comment
JEPS119635
Epilobium campestre
Lowell Ahart
2012-6-4
18153
Butte
Peter Ahart Rancho, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
Comment
CHSC12077
Epilobium canum subsp. latifolium
R. N. Bowman
1971-10-16
60
Butte
Found on face of Feather Falls.
Comment
CHSC38569
Epilobium ciliatum subsp. ciliatum
Vernon Oswald
1983-6-29
797
Butte
Upper Bidwell Park, Chico, on the n side of Upper Park Rd. near Parking Area L (Diversion Dam).
134
Comment
CHSC69722
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1997-10-20
7926
Butte
On sand bars, on the west side of the sharp bend in the South Fork of the Feather River, about 1/4 mile north of the bridge across the river, about 3/4 mile north of Golden Trout Crossing, 3 miles (air) northwest of Sly Creek Reservoir Dam.
914
Comment
UC1191712
Epilobium ciliatum subsp. ciliatum
Herbert L. Mason and Verne Grant
1946-8-14
13035
Butte
canal near big pond on Sacramento Outing Club; Butte Sink
Comment
CHSC21136
Epilobium densiflorum
M. S. Taylor
1975-6-30
817
Butte
In ditches, ca. 500 yds e of Cohasset Hwy, ca. 500 yds ne of Greenwood Store, Cohasset.
853
Comment
CHSC35105
Epilobium densiflorum
R. Banchero; R. Schlising, M. Merryman
1979-10-7
21
Butte
7.7 mi S from intersection of Ord Ferry Road and Dayton Road, south of Chico; along canal.
Comment
CHSC84249
Epilobium densiflorum
Lowell Ahart
1983-6-26
4120
Butte
Found on the sides of a small stream along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
500
Comment
CHSC46574
Epilobium glaberrimum subsp. glaberrimum
Vernon Oswald
1987-7-16
3132
Butte
Bull Hill Rd. (Skyway) where it parallels Bull Creek, between Inskip and Butte Meadows. On the edge of the creek.
1487
Comment
RSA169435
Epilobium minutum
L. S. Rose
1963-6-2
63071
Butte
2 mi south of Pulga, North Fork of Feather River.
579
Comment
UCD106506
Epilobium minutum
Lewis S. Rose
1963-6-2
63071
Butte
2 miles S of Pulga. North fork of Feather River.
579
Comment
SEINET10841086
Epilobium minutum
Mary Susan Taylor
1981-5-21
Taylor 3773
Butte
T22N R4E nw/nw sec l and ne/ne sec 2, Pulga SW quad. S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 20 air mi N of Oroville. In reddish weathered serpentine; 2800 ft.
853
Comment
CHSC28717
Epilobium torreyi
R. A. Schlising
1979-5-27
3422
Butte
Northeast of Chico and southwest of Paradise, near the Skyway.
Comment
CHSC44623
Equisetum arvense
Vernon Oswald
1984-4-16
1155
Butte
Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock.
853
Comment
SFV2
Equisetum arvense
M. L. Vincent
1962-4-15
180
Butte
Sierra Nevada 1 mile south of Stirling City on the Skyway near small stream.
975
Comment
CHSC30729
Equisetum laevigatum
M. S. Taylor; R. Schlising
1980-7-6
3081
Butte
On w side of Hwy 32, ca. 0.3 mi s of Soda Springs Campground.
1127
Comment
CHSC34163
Eragrostis cilianensis
L. Ahart
1981-8-31
3063
Butte
In a garden just a little n of the store in Honcut.
35
Comment
CHSC69738
Eragrostis mexicana subsp. virescens
Lowell Ahart
1997-10-24
7939
Butte
About 20 yards north of the South Fork of the Feather River and on the east side of Sucker Creek, strand of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
274
Comment
UCD63884
Eragrostis mexicana subsp. virescens
John Thomas Howell
1959-9-20
34675
Butte
Sierra Nevada, lower foothills, eastern outskirts of Oroville.
60
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
CHSC41971
Eragrostis pectinacea var. pectinacea
Lowell Ahart
1986-11-7
5428
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
CHSC94985
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2006-10-8
13434
Butte
East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
609
Comment
CDA34179
Eragrostis pilosa
L. Ahart
2009-10-7
16408
Butte
Larkin Road access to the Thermalito Afterbay, about 0.5 miles (air) southwest of Oroville.
Comment
CHSC45106
Eragrostis pilosa var. pilosa
Lowell Ahart
1988-8-10
6169
Butte
On the south edge of Pentz Road, about 1 mile east of Highway 99.
60
Comment
CHSC47617
Eragrostis pilosa var. pilosa
Lowell Ahart
1974-10-20
667
Butte
On the bottom of a swale, Peter Ahart Ranch, about 1 mile north and 1/4 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
UC1562293
Eragrostis pilosa var. pilosa
Lowell Ahart
1990-7-15
6558
Butte
about 0.25 mi nw Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area); Lake Oroville
243
Comment
CAS-BOT-BC174107
Eremogone aculeata
Anna Head
1920-7-20
s.n.
Butte
Top of ridge near Round Lake, Feather River Region
2133
Comment
CHSC92520
Eremogone cliftonii
Samantha Mackey Hillaire; Matt Brown
2005-6-20
1218
Butte
South of Middle Fork of Feather River. Along road 22N62. On the east side of the canyon. UTM 10 S 650834,4397612.
859
Comment
JEPS127580
Ericameria arborescens
L. P. Janeway
2016-9-15
12173
Butte
Northern High Sierra Nevada. Plumas National Forest; about 30 m northeast of Old Forbestown Road, 0.6 km north of Forbestown Road. Forbestown 7.5' Quad.
Comment
CAS-BOT-BC298292
Ericameria nauseosa var. speciosa
H. E. Brown
1896-11-15
46
Butte
Near Clear Creek
53
Comment
CHSC61628
Ericameria nauseosa var. speciosa
Lowell Ahart
1993-9-8
7169
Butte
Ridge top, about 1 mile east of Snow Mountain.
2103
Comment
CHSC43241
Erigeron bonariensis
Lowell Ahart
1987-9-24
5897
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC110116
Erigeron canadensis
L. P. Janeway
2012-10-18
11082
Butte
Sacramento Valley. Along Hwy 70 at Wheelock Road/Coal Canyon Road.
136
Comment
CHSC28608
Erigeron canadensis
M. S. Taylor
1977-11-10
1515
Butte
At jct of Chico-Butte Hwy and Ord Ferry Rd, ca. 6 mi s of Chico.
36
Comment
RSA774145
Erigeron lassenianus
L. Ahart
2010-9-21
17227
Butte
South side of a poor dirt road, about 1 air mile NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir
1900
Comment
CHSC6755
Erigeron philadelphicus
Marilyn Lee
1968-4-19
114
Butte
On E. side of Cherokee Road, ca 2 miles S. of Cherokee and 100 yards S.E. of cemetary. Table Mt.
Comment
POM180882
Erigeron philadelphicus
H. F. Copeland
1923-4-21
870
Butte
Canyon of Chico Creek
Comment
CHSC30417
Erigeron sumatrensis
J. D. Jokerst; M. S. Taylor
1979-11-11
634 A
Butte
Adjacent to Goodspeed-Watt Rd, 0.1 mi N of its jct with Nelson Rd, ca 6.0 mi N of Chico.
Comment
JEPS120062
Eriobotrya deflexa
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18269
Butte
Cedar Grove, south of parking area, Lower Bidwell Park, Chico.
Comment
CHSC22767
Eriobotrya japonica
R. A. Schlising
1973-12-3
3119
Butte
On California State University campus, just west of Holt Hall.
Comment
RSA0037008
Eriochloa acuminata var. acuminata
Lowell A. Ahart
2013-10-12
19108
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
51
Comment
JEPS98674
Eriochloa contracta
Lowell Ahart
2000-9-11
8687
Butte
On the west 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) south of Oroville.
42
Comment
UCD169099
Eriochloa contracta
Ramona Robison
2013-4-16
10
Butte
Clay Pit State Vehicular Recreation Area.
41
Comment
CAS-BOT-BC216043
Eriodictyon californicum
Mrs. J. H. Morrison
1932-4-20
s.n.
Butte
Durham
Comment
CHSC38458
Eriodictyon californicum
Vernon Oswald
1983-5-14
480
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1000 ft e of the power lines.
256
Comment
UC1562368
Eriodictyon californicum
Lowell Ahart
1990-4-28
6468
Butte
in the borrow area about 4/10 mi w of Pacific Heights Road about 4 1/2 mi sw Oroville (1/4 mi s of the Feather River); s of the Feather River, sw of Oroville
30
Comment
JEPS123966
Eriodictyon lobbii
Lowell Ahart
2015-7-4
20267
Butte
About 300 yards north of the County Road, about one mile west of the intersection of Lumpkin Ridge Road, road to Cascade or Fall River and County Road, about 7 (air) miles northeast of Feather Falls.
Comment
SEINET940363
Eriogonum eremicum
E. B. Copeland
1930-1
Butte
Above Jonesville
2000
Comment
CAS-BOT-BC259279
Eriogonum lobbii
V. Oswald; L. Ahart
1988-7-29
3643
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
CHSC45365
Eriogonum lobbii
Vernon Oswald
1985-5-28
1784
Butte
Little Bald Rock near Bean Creek Rd. 0.3 mi e of Bald Rock Rd. Growing in sandy soil on an open granitic outcrop.
1011
Comment
CAS-BOT-BC259400
Eriogonum luteolum
Ira L. Wiggins
1928-9-9
3346
Butte
Sandy Gulch Creek, 3 miles west of Chico
Comment
UC176355
Eriogonum luteolum var. luteolum
A. A. Heller
1913-9-16
11142
Butte
hills near Big Chico creek (e of Chico)
Comment
CHSC63712
Eriogonum nudum var. pubiflorum
Lowell Ahart
1994-10-23
7567
Butte
Along the disturbed edge of the water ditch, about 2 3/4 miles north of De Sabla Reservoir, about 4 miles (air) west and 1/2 mile north of Stirling City.
853
Comment
CAS-BOT-BC367999
Eriogonum roseum
Richard R. Halse
2006-8-2
6984
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
CHSC23373
Eriogonum roseum
Lowell Ahart
1975-9-4
981
Butte
Growing along Ponderosa Way, two miles southwest of Feather Falls. Ca 1 1/2 mi NW of the Ponderosa Dam.
396
Comment
SEINET3404037
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
633
Butte
Jonesville: Ridge between Jones and North Willow Creeks
1700
Comment
UC600500
Eriogonum spergulinum var. reddingianum
H. F. Copeland
1931-6-10
1537
Butte
Colby Canyon Jonesville, Colby Canyon
1524
Comment
SEINET11934607
Eriogonum spergulinum var. reddingianum
L. P. Janeway, Janeway, C. A.
1986-1
1857
Butte
Jonesville quad (15'), near mdw of upper Willow creek. Logging landing of soft soil
1951
Comment
CHSC41367
Eriogonum umbellatum var. ahartii
R. A. Schlising; K. Tarp
1983-7-28
4354
Butte
NE part of county, SW of Coyote Gap and S of Big Bar Mt.
868
Comment
RSA0005154
Eriogonum umbellatum var. ahartii
James L. Reveal
1975-8-24
3977
Butte
Along California Highway 70 in Feather River Canyon at the turnoff to Pulga.
Comment
UC912723
Eriogonum ursinum
A. A. Heller
1917-7-29
12855
Butte
summit above Jonesville
2133
Comment
CAS-BOT-BC262215
Eriogonum ursinum
Lowell Ahart
1987-5-27
5717
Butte
Along Poe Power House Road, about 3/4 mile north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap
365
Comment
RSA0056354
Eriogonum ursinum
James R. Shevock
1972-5-19
1774
Butte
Jarbo Pass, Highway 70.
548
Comment
JEPS109906
Eriophorum gracile
Dean W. Taylor
2006-8-17
19609
Butte
Keyser Creek; West Branch Feather River watershed; boggy fen with patterned ground
1524
Comment
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
UC171430
Eriophyllum lanatum var. croceum
A. A. Heller
1913-6-7
10806
Butte
near Stirling
1074
Comment
CHSC36391
Eriophyllum lanatum var. grandiflorum
Donald M. Burk
1982-4-25
132
Butte
On N. side of Hwy. 32 ca. 11 mi. E. of Chico.
594
Comment
CAS-BOT-BC308164
Eriophyllum lanatum var. grandiflorum
Mrs. Eva Pattee
1923-5-15
s.n.
Butte
Shady Rest near Cresta
Comment
UCD103123
Erodium brachycarpum
A. A. Heller
1914-3-13
11201
Butte
Hills 8 miles north of Oroville.
Comment
HSC67597
Erodium cicutarium
J. P. Smith
1973-3-22
5912
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
POM88768
Erodium cicutarium
C. C. Bruce
1898-05
2385
Butte
[No location information on label.]
Comment
CAS-BOT-BC40747
Erysimum capitatum
A. A. Heller
1915-4-12
11811
Butte
Near Cohasset.
Comment
UC397036
Erysimum capitatum
E. Copeland
1929-7-1
Butte
Jonesville
Comment
CHSC61182
Erythranthe bicolor
Vernon H. Oswald
1993-5-18
5400
Butte
Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia.
707
Comment
CHSC31914
Erythranthe cardinalis
M. S. Taylor
1980-8-30
3325
Butte
Along edge of dirt road in seeps, in Long Ravine, ca. 0.5 mi n of Oregon Gulch Rd, ca. 2 mi s of Oregon City on Table Mt, 8 mi n of Oroville.
243
Comment
CHSC105167
Erythranthe glaucescens
Christopher T. Ivey
2007-4-22
368
Butte
Humboldt Rd, between Hwy 32 and town of Butte Meadows, along N side of road in gravelly bank.
1219
Comment
CHSC40884
Erythranthe glaucescens
Lowell Ahart
1985-5-15
4992
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
SEINET14214276
Erythranthe glaucescens
A. R. James
1963-4-20
s.n.
Butte
10 miles NE of Chico.
122
Comment
CHSC31965
Erythranthe guttata
J. D. Jokerst
1979-4-20
1205
Butte
Top of North Table Mt., ca. 200 meter NE of the junction of Cherokee Rd. and the E sde of the mountain.
Comment
CHSC27064
Erythranthe nasuta
Lowell Ahart
1978-5-1
1677
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC23444
Erythranthe primuloides
K. R. Stern
1974-6-30
5778
Butte
Bank of Jones Creek, at Jonesville.
Comment
CHSC88636
Erythronium multiscapideum
Linnea Hanson
1983-4-6
192
Butte
Plumas National Forest. Gemini Mine
701
Comment
UC1731059
Erythronium multiscapideum
Dean W. Taylor
1997-3-13
15914
Butte
Magalia; summit of serpentine hill directly east of town
Comment
SEINET12054425
Erythronium multiscapideum
Unknown
1890-1
s.n.
Butte
no further locality
Comment
JEPS119533
Eschscholzia caespitosa
Lowell Ahart
2012-4-20
17898
Butte
On the west side of South Rim Trail, animal trail north of Bloody Pin Trail, about 5/8 mile west of Highway 32, about 7 3/8 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
CHSC99652
Eschscholzia californica
H. Koeth
2007-4-26
Butte
20th and Salem St., Chico. Growing in an unmanaged lawn. UTM 10 600693E 4396754N
57
Comment
UC85492
Eschscholzia californica
Mrs. R. M. Austin
Apr., 1896
86
Butte
near Chico
Comment
POM125702
Eschscholzia californica var. peninsularis
C. C. Bruce
1897-04
2020
Butte
Foot hills, near Iron Canyon
Comment
CHSC85392
Eschscholzia lobbii
John Dittes; Josephine Guardino
1992-5-7
482
Butte
Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course.
176
Comment
HSC43094
Eschscholzia lobbii
Maralyn O'Meara
1974-4-20
297
Butte
Table Mtn.
305
Comment
UC176651
Eschscholzia lobbii
A. A. Heller
1913-4-6
10714
Butte
near Big Chico Creek (e of Chico)
Comment
CAS-BOT-BC419499
Eschscholzia lobbii
W. R. Ernst
1958-3-27
220
Butte
Along the Skyway to Paradise (east of Chico)
Comment
HSC92486
Eschscholzia lobbii
N. Wynne, M. Peckham, J. Bamesberger
1994-3-30
24
Butte
Table Mtn., Cherokee Rd., about 2 mi. from Hwy. 70
Comment
CHSC106116
Eucalyptus sideroxylon
L. P. Janeway
2011-2-28
10227
Butte
Sacramento Valley. Along a bench on the north side of the levee on the south side of Feather River just east of Centennial Park, Oroville.
49
Comment
CHSC28492
Eucephalus breweri
M. S. Taylor; J. Jokerst
1979-7-21
2165
Butte
On trail to Humboldt Peak, on Humboldt Summit.
2133
Comment
CHSC118891
Euonymus occidentalis
R. A. Schlising
1986-7-18
4490
Butte
NE of village of Feather Falls, on road to Fall River Campground.
1158
Comment
CHSC54474
Euonymus occidentalis var. occidentalis
Vernon H. Oswald; Lowell Ahart
1991-7-15
4736
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek.
1082
Comment
CHSC74086
Euphorbia crenulata
B. Castro; E. Hubert
1996-7-18
682 A
Butte
Ca 4.5 air mi NW of town of Brush Creek, ca 1.5 air mi W of French Creek, on N side of USFS Rd 22N31. In clearcut area on either side of tributary to Bush Creek.
853
Comment
RSA572325
Euphorbia ocellata var. ocellata
Robert F. Hoover
1938-8-2
3718
Butte
7 miles southeast of Chico.
Comment
SEINET10453781
Euphorbia serpillifolia
Lowell Ahart
1990-9-30
Ahart 6606
Butte
On the north side of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile north of the Canyon Creek Bridge across lake Oroville. Foothill Woodland (destroyed). T20N R5E SE/S17.
229
Comment
CHSC97781
Eurybia radulina
L. P. Janeway
2007-8-12
9158
Butte
Northern High Sierra Nevada. Near junction of Bald Rock Road and Road 21N31Y, 2.3 km south of 'town' of Brush Creek.
1001
Comment
CHSC38347
Euthamia occidentalis
Vernon Oswald
1983-9-24
1045
Butte
Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at Diversion Dam.
128
Comment
CHSC52486
Festuca arundinacea
J. D. Jokerst
1982-6-29
1546 B
Butte
Along the edges of various roads in the area. Grey Lodge Waterfowl Management Area, ca. 1/2 mile west of the headquarters on access road.
Comment
CHSC109857
Festuca californica var. californica
L. P. Janeway
2012-6-7
10870
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CHSC112786
Festuca myuros
Lowell Ahart
2013-5-18
18701
Butte
About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
763
Comment
CHSC115368
Festuca myuros var. myuros
Lowell Ahart
2015-4-24
20060
Butte
On the sides (road edges) of a large duck field, 50 yards southeast of Parking Lot 1, about 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
19
Comment
CDA14179
Festuca occidentalis
G. F. Hrusa
1997-5-29
13807
Butte
Sierra Nevada; Slopes on N side of Sucker Run Creek, ~1.5 mi. SSE of Feather Falls townsite. Small colonies of bunching individuals in dry, deep shade of coniferous forest. Perennial
Comment
CHSC61538
Festuca occidentalis
Lowell Ahart
1993-6-16
6970
Butte
South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown.
609
Comment
CAS-BOT-BC278925
Festuca rubra
Lowell Ahart
1987-7-8
5810
Butte
Along Walker Plains Road, ca. 1/8 mi. N of Coyote Gap, ca. 5 mi. E of Pulga
1280
Comment
CHSC34184
Festuca subulata
L. Ahart
1981-9-15
3159
Butte
On the sides of Pinkard Creek, ca. 1/2 mi n of Lost Creek Reservoir.
1100
Comment
UC1609519
Festuca subulata
Lowell Ahart
1993-7-23
7107
Butte
about 6 (air) mi n.e. Feather Falls (about 1/8 mi s of the campgrounds on the large gravel bar along Fall River, s. of Fall River)
1036
Comment
CAS-BOT-BC77690
Ficus carica
John Thomas Howell
1959-9-20
34712
Butte
Feather River Highway at West Branch bridge
152
Comment
CHSC42109
Foeniculum vulgare
Lowell Ahart
1986-10-16
5405
Butte
Along Pondrosa Way, about 3/4 mile south-west of the Ponderosa Dam, about 3 1/4 miles north-west of Forbestown.
396
Comment
JEPS102419
Foeniculum vulgare
Lowell Ahart
2001-6-13
8816
Butte
Sides of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) SW of Gridley.
22
Comment
CHSC9386
Forsythia
M. MacArthur
1968-6-17
201
Butte
SE edge of Big Chico Creek opposite Auditorium, Chico State College campus.
60
Comment
CAS-BOT-BC62903
Frangula californica subsp. tomentella
Lewis S. Rose
1955-6-14
55097
Butte
Magalia.
731
Comment
UCD121432
Frasera albicaulis var. nitida
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
CHSC110033
Fraxinus
Lowell Ahart; Josephine Guardino
2012-10-12
18480
Butte
About 100 yards northeast of the sign Orient Street and E 1st Street, on the east side of the bridge, Annie's Glen, Lower Bidwell Park, Chico.
62
Comment
SEINET10457423
Fraxinus dipetala
Mary Susan Taylor
1976-4-27
Taylor 1088
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
CHSC27636
Fremontodendron californicum
Robert A. Schlising
1978-5-9
3229
Butte
In chaparral south of Cohasset, along dirt road parallel with Cohasset Hwy, about 6 mi NE of Hwy crossing of Mud Creek.
Comment
SEINET10871601
Fremontodendron californicum
Mary Susan Taylor
1980-5-15
Taylor 2638
Butte
T23N R2E ne sec 7. In and around vernal pools in Chaparral area on Cohasset Ridge, ca. 1/4 mi E of Cohasset Rd, ca. 9 mi NE of Chico.
396
Comment
CHSC2277
Fritillaria affinis
R. Carter
1965-3-2
149
Butte
100 NW of Police Pistol Range on Centenial Ave., on hillside 30' above road NE of Chico.
152
Comment
CAS-BOT-BC130196
Fritillaria agrestis
A. A. Heller
1914-4-29
11341
Butte
12 miles north of Chico
Comment
UC600462
Fritillaria atropurpurea
H. F. Copeland
1932-7-24
Butte
Jonesville, above hotel Jonesville
Comment
CAS-BOT-BC130313
Fritillaria eastwoodiae
L. C. Hanson
1987-4-27
s.n.
Butte
De Sabla Reservoir, near Magalia
Comment
CHSC88654
Fritillaria eastwoodiae
Linnea Hanson
1985-4-23
265
Butte
Plumas National Forest. North side of Woodleaf Road.
853
Comment
CHSC4194
Galium aparine
Ann Dolder
1967-4-24
Butte
Ca. 50 yards from road of Bare Hole, Bidwell Park, Chico.
76
Comment
UCD121707
Galium aparine
Robert Kehlor
1951-5-6
s.n.
Butte
J. M. Kehlor ranch, 6 1/4 miles east of Oroville.
Comment
CHSC33859
Galium bolanderi
J. D. Jokerst; B. Banchero, R. A. Schlising
1980-6-16
854
Butte
Carpenter Ridge, 50 met N of Humboldt Rd at a point 1.9 mi N of it's jct with Hwy 32.
Comment
JEPS52655
Galium bolanderi
Lauramay T. Dempster
1964-7-24
4045
Butte
roadbank 3 mi s Nimshew
487
Comment
UC600430
Galium bolanderi
H. F. Copeland
1930-7-28
Butte
ridge above hotel; Jonesville
Comment
SEINET10500698
Galium bolanderi
Mary Susan Taylor
1978-7-21
Taylor 1801
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
SEINET10836822
Galium bolanderi
Mary Susan Taylor
1979-6-22
Taylor 2168
Butte
T22N R5E sw 1/4 sec 32. Pulga bridge on Hwy 70, on N side of trail leading from NE side of the bridge, ca. 27 mi N of Oroville; serpentine soils.
488
Comment
CHSC47041
Galium grayanum
R. A. Schlising; L. Janeway
1988-7-22
4621
Butte
NE of Philbrook Lake, near county line.
1950
Comment
CAS-BOT-BC124079
Galium grayanum var. grayanum
Amos Arthur Heller
1914-8-7
11668
Butte
Summit east of Jonesville
2133
Comment
JEPS119899
Galium murale
Lowell Ahart, Linnea Hanson, Josephine Guardino
2012-5-23
18104
Butte
Along the west side of the horse trail, north of Table 25, north of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC29629
Galium parisiense
J. D. Jokerst
1980-5-28
805
Butte
Table Mt. Top of North Table Mt, sides of Cherokee Rd ca 1/2 mi W of the edge of the Mt.
Comment
CHSC29770
Galium parisiense
M. S. Taylor; L. Ahart, R. S. Schlising
1980-5-31
2750
Butte
E side of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
609
Comment
CHSC36511
Galium parisiense
L. Ahart
1982-5-29
3446
Butte
Peter Ahart Ranch, ca. 1.5 mi N and 2 1/4 mi E of Honcut.
50
Comment
JEPS127073
Galium parisiense
Lowell Ahart
2016-5-30
20901
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC37370
Galium tricornutum
R. A. Schlising
1981-4-24
4233
Butte
Richvale Vernal Pools, 1/4 mi S of jct Hwy162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
SEINET10500786
Galium trifidum var. subbiflorum
Mary Susan Taylor
1978-6-24
Taylor 1638
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
SBBG29181
Galium triflorum
E. B. Copeland
1930-7-15
Butte
Jonesville
1500
Comment
UC392192
Galium triflorum
E. B. Copeland
July 1929
Butte
Jonesville
1550
Comment
SD4919
Galium triflorum
E. B. Copeland
1930-7-15
472
Butte
Jonesville, in damp meadow
1500
Comment
UCD121950
Galium triflorum
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
UC1562451
Gamochaeta stachydifolia
Lowell Ahart
1990-4-28
6466
Butte
in the borrow area about 1/4 mi s Feather River ( about 4/10 mi w of Pacific Heights Road, about 4 1/2 mi sw of Oroville)
30
Comment
CHSC27238
Gardenia jasminoides
P. Moyer
1971-9-25
1
Butte
CSUC Campus. E side of University Service Bldg. along walkway to bridge.
60
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
HSC102784
Garrya fremontii
L. Ahart
2012-3-2
17759
Butte
About 9 mi. NE of Chico, ~200 yds. west of Hwy.32, ~200 yds. N of Ten Mile House Rd.
423
Comment
SD3490
Garrya fremontii
E. B. Copeland
1932-7-27
Butte
Jonesville
1650
Comment
SEINET12137328
Garrya fremontii
M. S. Taylor, Pierce, E.
1981-1
3375
Butte
both sides of Cohasset Hwy, ca 3 mi S of Cohasset
Comment
CAS-BOT-BC282600
Gastridium phleoides
Lowell Ahart
1985-6-17
s.n.
Butte
Near teh dirt road on Fields Ridge, about 4 miles south-east of Feather Falls
792
Comment
CHSC42374
Gastridium phleoides
Lowell Ahart
1987-5-27
5701
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
UCD66573
Gastridium phleoides
A. A. Heller
1914-6-2
11474
Butte
8 miles north of Oroville.
Comment
CAS-BOT-BC278702
Gastridium ventricosum
Lowell Ahart
1980-5-25
2344
Butte
Along Ponderosa Way
500
Comment
CHSC113439
Gayophytum diffusum subsp. parviflorum
Lowell Ahart
2014-7-7
19561
Butte
About 20 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
CHSC30078
Gayophytum racemosum
R. A. Schlising
1980-7-16
3913
Butte
Margins of Butte Creek NE of Butte Meadows, SW of Cherry Hill Campground.
1402
Comment
JEPS121941
Gayophytum racemosum
Lowell Ahart
2014-7-7
19602
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC3487
Genista monspessulana
Roger Jaegel
1966-4-20
112
Butte
Located on Chico - Paradise road, four miles east of Chico.
Comment
CHSC11983
Gentianella amarella subsp. acuta
E. B. Copeland
1930-8-4
441
Butte
Jonesville.
1500
Comment
CHSC26691
Gentianopsis simplex
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1495
Butte
Meadow on s side of Humbug Rd, ca. 1 mi n of Snag Lake.
1828
Comment
CDA31933
Geranium carolinianum
L. Ahart
2008-5-8
14721
Butte
Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
Comment
CHSC113238
Geranium dissectum
Lowell Ahart
2014-4-16
19378 A
Butte
On the sides but near the top of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
SEINET10495121
Geranium dissectum
Mary Susan Taylor, K. Tharp
1982-4-8
Taylor 4285
Butte
T19N R4E sw/ne sec l. Oroville Dam quad At end of Beckwith Rd just above Oroville Dam overlook parking area, Oroville. Foothill Woodland; 1050 ft.
320
Comment
CHSC10752
Geranium molle
Lowell Ahart
1970-4-4
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC52341
Geranium molle
Paulenn Broyles
1987-5-21
1047
Butte
The Nature Conservancy Vina Plains Preserve. Wurlitzer Addition. At fence roadway NW of Wurlitzer buildings.
Comment
CHSC7107
Geranium molle
James M. Watson
1969-4-4
7
Butte
2.1 mi e of Keefer Road and Cohasset Highway on s edge of Cohasset Highway.
182
Comment
SEINET10495127
Geranium molle
Mary Susan Taylor
1980-5-27
Taylor 2644
Butte
T21N R6E sc sec 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, granitic soils.
998
Comment
CHSC42089
Gilia capitata subsp. pedemontana
Rusti Gammon
1986-4-18
19
Butte
Ca. 5 mi s of Centerville, ca. 20 yds w of Butte Creek above w bank.
91
Comment
CHSC44413
Gilia capitata subsp. pedemontana
Lowell Ahart
1988-5-30
6028
Butte
Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
RSA754853
Gilia capitata subsp. pedemontana
L. Ahart
2009-5-30
15784
Butte
About 60-100 yards north of the dirt road that is Ten Mile House Road, Upper Bidwell Park, about 1/2 air mile W of Highway 32, about 10 miles NE of Chico.
269
Comment
UCD117968
Gilia tricolor
Michael A. Vincent; Ethan H. Freid
1998-4-6
8118
Butte
Table Mountain.
Comment
CHSC5972
Ginkgo biloba
M. MacArthur
1968-6-17
209
Butte
Ca. 40 ft. N of Big Chico Creek and 40 ft. from path to bridge N of Dining Hall, Chico State College Campus.
60
Comment
CHSC103958
Githopsis pulchella subsp. campestris
Lowell Ahart
2010-5-23
16736
Butte
On the west side of Pine trail, about 80 yards west of Highway 32, about 9 miles (air) northeast of Chico.
478
Comment
CHSC20523
Githopsis specularioides
M. S. Taylor
1975-4-29
536
Butte
Scattered on s side of Pentz Rd, ca. 1/4 mi e of Hwy 99, ca. 15 mi s of Chico.
Comment
CHSC62540
Githopsis specularioides
B. Castro
1993-5-17
464 a
Butte
Near the S end of Rocky Ridge, ca 30 ft w of Rim Road.
877
Comment
CHSC8568
Gleditsia triacanthos
M. MacArthur
1968-6-13
362
Butte
Chico State College Campus.
60
Comment
CHSC51368
Glinus lotoides
Vernon Oswald; Lowell Ahart
1990-10-11
4460
Butte
Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. Occasional plants on drying mud on the bed of Dark Canyon Creek, below the high-water line of the lake.
243
Comment
CHSC76420
Glinus lotoides
Lowell Ahart
1999-10-28
8297
Butte
On the bottom of a small wash, just southeast of the small pond where you can park, 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
SEINET10792219
Glyceria declinata
Lawrence P. Janeway
1991-6-7
Janeway 3990
Butte
Honcut quad T18N, R4E, SE 1/4 of sec. 33. Ca. 0.8 mi east of Palermo-Honocut Road, ca 5.1 mi south of Palmero. Disturbed annual grassland (plowed, many cattle in spring). In small disturbed vernal pool.
38
Comment
CHSC40274
Glyceria elata
Lowell Ahart
1985-6-30
5079
Butte
Along a stream, east of the dirt road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown.
868
Comment
UC1594725
Glyceria elata
Lowell Ahart
1992-7-26
6847
Butte
about 2 air mi s Snow Mountain (about 0.5 mi n of Carr Mine)
1767
Comment
CHSC39631
Glyceria occidentalis
Lowell Ahart
1983-4-18
3936
Butte
On the bottom of rice field, about 2 1/4 miles north and 1/2 mile east of Honcut, Peter Ahart Ranch. Also, in a vernal pool north of Ahart home.
50
Comment
SEINET10473777
Gnaphalium chilense
Mary Susan Taylor
1978-9-9
Taylor 1924
Butte
Along the Skyway in the village of Inskip.
1468
Comment
SEINET10904962
Gnaphalium chilense
Mary Susan Taylor
1977-8-16
Taylor 1448
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
RSA726436
Gnaphalium luteoalbum
L. Ahart
2007-11-3
14553
Butte
About 3/4 mile east of the Power House below Kuncke Reservoir, about 1.25 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise.
259
Comment
CHSC108148
Goodyera oblongifolia
Lowell Ahart
2011-8-23
17654
Butte
On the west edge of the large meadow, Pinkard Creek flows through the meadow, 100 yards north of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills.
1133
Comment
CHSC115210
Gratiola ebracteata
Lowell Ahart
2015-5-5
20140
Butte
Bottom of a large vernal pool, about 30 yards north of Larkin Road, about 400 yards south of Larkin Road Boat Launch Area, near the Thermalito Afterbay, about one mile south west of the Oroville Airport, about 6 miles (air) south west of Oroville.
42
Comment
CHSC46860
Grindelia camporum var. camporum
Vernon Oswald
1989-9-6
3980
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). Between the ranch road and Little Dry Creek, ca. 0.4 mi n of Gridley-Colusa Hwy.
18
Comment
UC1876147
Grindelia hirsutula
T. A. Ranker and P. G. Trapp
1994-6-17
1625
Butte
Pence Road, south of Paradise (Cherokee quad. 7.5 min topographic map).
396
Comment
CHSC37648
Grindelia hirsutula var. davyi
T. B. Devine
1981-8-25
749
Butte
Along Durham-Pentz Road, at its junction with Pentz-Magalia Hwy.
205
Comment
CHSC65420
Grindelia hirsutula var. davyi
Vernon Oswald
1987-7-29
3170
Butte
Skyway between Lovelock and Toadtown.
914
Comment
UC1586558
Guillenia lasiophylla
Lowell Ahart
1991-5-8
6650
Butte
about 1.5 mi n and 2.25 mi e Honcut (about 12 mi se of Oroville, Peter Ahart Ranch)
60
Comment
UC177589
Hackelia californica
H. M. Hall
1914-7-27
9789
Butte
Humboldt Road; Sierra Nevada Mountains
2042
Comment
CHSC27983
Hackelia nervosa
M. S. Taylor
1978-7-18
1711
Butte
On e side of Humboldt Peak, at Humboldt Summit.
2133
Comment
CHSC49661
Hastingsia alba
Vernon Oswald
1983-7-6
831
Butte
Near Humboldt Rd. 3.4 mi n-e of Butte Meadows.
1432
Comment
CAS-BOT-BC302419
Hazardia whitneyi
J. D. Jokerst
1980-10-13
396
Butte
Along edges of Jordan Hill Road 7.5 miles north of jct. with Concow Road, 1 mile SE of Sawmill Peak
944
Comment
CHSC37827
Hedypnois cretica
R. A. Schlising
1980-5-23
3595
Butte
N of Lake Oroville, along Nelson Bar Road, 1.0 mi w of jct with Lunt Road, and 1.8 mi total w of jct Lunt Road and Highway 70. Pasture.
Comment
JEPS115715
Helenium puberulum
Lowell Ahart
2009-8-3
16258
Butte
About 50 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 miles (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
CHSC61632
Helianthella californica var. nevadensis
Lowell Ahart
1993-9-8
7171
Butte
On the top of a ridge, about 1 mile east of Snow Mountain.
2103
Comment
SEINET10938083
Helianthus annuus subsp. lenticularis
Mary Susan Taylor
1975-6-30
Taylor 809
Butte
E side of Cohasset Hwy, ca. 2 mi N of Chico; Valley Grassland.
244
Comment
CDA13913
Helianthus bolanderi
G. F. Hrusa, T. D. Wilfred
1997-7-3
13984
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CHSC38359
Helianthus bolanderi
Vernon Oswald
1983-6-29
796
Butte
Upper Bidwell Park, Chico, ca. 300 ft s of Upper Park Rd. and 1200 ft e of Parking Area N (Salmon Hole).
170
Comment
CHSC14125
Heliotropium curassavicum
L. V. Ritter
1969-6-15
383
Butte
N and T Corporation Land, near Murphy Slough along bank of Sacramento River.
Comment
CHSC33891
Hemizonella minima
M. S. Taylor
1981-5-13
3700
Butte
On ridge above Foreman Creek, ca. 0.5 mi w of 23N15.5, ca. 1.5 mi s of its jct with Four Trees Rd, ca. 2 air mi w of Elks Retreat on Oroville-Quincy Hwy.
1310
Comment
CAS-BOT-BC314996
Hemizonella minima
E. B. Copeland
1931-7-12
696
Butte
Between Jones and North Willow Creeks, Jonesville
1700
Comment
CHSC28784
Hemizonia congesta subsp. luzulifolia
J. D. Jokerst
1979-9-8
337
Butte
Adjacent to fresh-water marsh. East of Chico-Butte City Hwy., 0.5 mi. N. of intersection with Nelson West Rd.
Comment
CHSC38361
Hemizonia congesta subsp. luzulifolia
Vernon Oswald
1983-7-28
939
Butte
Upper Bidwell Park, Chico, ca. 200 ft n of Upper Park Rd. at Diversion Dam.
128
Comment
CHSC46921
Hesperevax acaulis var. acaulis
Lowell Ahart
1974-4-24
440
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
CHSC29045
Hesperevax caulescens
R. Schlising
1980-4-14
3562
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
OBI74994
Hesperocyparis macnabiana
Hannah M. Fugle
2011-1-17
4
Butte
Magalia, ca 250 ft E of Coutelenc rd, 0.1 mi up Coutelenc rd from Skyway rd
762
Comment
CHSC11042
Hesperolinon californicum
Lowell Ahart
1968-5-4
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC44303
Hesperolinon californicum
Lowell Ahart
1988-4-29
5962
Butte
Near the ditch which was part of the Honcut Flume, on the Joie Osgood Ranch, about 2 miles north and 2 1/1 miles east of Honcut, about 12 miles south-east of Oroville.
76
Comment
UCD19080
Heteranthera rotundifolia
Carl M. Wick
1983-7-1
s.n.
Butte
State Hwy 162, ca. 3 mi. west of State Hwy 99, then 1 mi. south along Cherokee Canal on Lattemore Ranch.
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
CAS-BOT-BC143633
Heteromeles arbutifolia
A. A. Heller
1913-12-5
11149
Butte
In the canyon of Big Chico Creek east of Chico
91
Comment
CHSC41867
Heterotheca grandiflora
Lowell Ahart
1986-11-7
5422
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
CAS-BOT-BC311024
Heterotheca oregona var. compacta
Lowell Ahart
1981-7-18
2940
Butte
About 4.5 miles southeast of Oroville
35
Comment
SEINET10483021
Heuchera micrantha
Mary Susan Taylor
1975-4-29
Taylor 547
Butte
Abundant on S side of Hwy 70, ca. 25 mi NE of Oroville, near Bear Creek, ca. 1 mi SW of Butte-Plumas County line; with Styrax officinalis ssp. californica, Draperia systyla; on granitic soils.
Comment
CHSC38673
Heuchera micrantha var. erubescens
Vernon Oswald
1983-5-2
418
Butte
Upper Bidwell Park, Chico, along the dirt road beside Chico Creek which leads to the Police Pistol Range on s side of the Golf Course.
91
Comment
CHSC88083
Heuchera micrantha var. erubescens
R. D. Fischer
2004-4-2
169
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Big Chico Creek 25' from creek. E. bank below 10 Mile House Road.
213
Comment
CAS-BOT-BC203379
Hibiscus lasiocarpos var. occidentalis
John Thomas Howell; Thos. H. Kearney
1955-9-6
30707
Butte
Butte Creek on road from Butte City to Oroville
Comment
SBBG28522
Hieracium albiflorum
E. B. Copeland
1930-7-16
Butte
Jonesville
1600
Comment
SBBG8433
Hieracium albiflorum
H. and M. Dearing
1938-6-21
2053
Butte
21 mi NE of Chico
Comment
CHSC109750
Hirschfeldia incana
Lowell Ahart
2012-10-28
18533
Butte
South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC111955
Hoita macrostachya
Lowell Ahart
2012-6-5
18159
Butte
Wet area along the poor dirt road, on the south side of Beatson Hollow, about 1 mile northwest of the iron gate on the north side of Cherokee Road, north Table Mountain, about 6 miles (air) north of Oroville.
295
Comment
CHSC109604
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
2012-5-14
18045
Butte
A little east of Table 7, on the south side of Big Chico Creek, north of the paved road, northeast of Cedar Grove, Lower Bidwell Park, Chico.
70
Comment
CHSC101273
Hordeum murinum subsp. leporinum
Lowell Ahart
2009-4-3
15536
Butte
Along the south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico.
67
Comment
CHSC6161
Hordeum vulgare
E. Parreno
1968-4-14
50
Butte
Adjacent vacant lot n of Community Congregational Church on e 1st. Ave., Chico.
59
Comment
CHSC32108
Horkelia californica subsp. dissita
L. Ahart
1975-6-23
804
Butte
Along North Honcut Creek. Near Honcut.
53
Comment
CHSC12002
Horkelia fusca subsp. parviflora
E. B. Copeland
1929-7-25
371
Butte
Jonesville.
1550
Comment
CAS-BOT-BC532316
Horkelia fusca var. parviflora
V. Oswald; L. Ahart
1988-7-26
3614
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
1996
Comment
UCD113553
Horkelia tridentata
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
UCD113567
Horkelia tridentata var. flavescens
L. P. Janeway
1987-6-26
2297
Butte
At Rag Dump.
1173
Comment
CHSC107597
Hosackia oblongifolia var. oblongifolia
Lowell Ahart
2011-7-9
17579
Butte
Along a small stream, north of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville.
967
Comment
CHSC52440
Hosackia oblongifolia var. oblongifolia
L. P. Janeway
1987-7-5
2453
Butte
Mdw at end of new logging spur rd, just W of the Concow Rd; ca 1.3 air mi SW of Jones Mdw.
1798
Comment
CHSC38735
Hydrocotyle verticillata var. verticillata
Vernon Oswald
1982-12-17
23
Butte
Bidwell Park, Chico, 400ft nw of the parking lot at Diversion Dam.
134
Comment
CAS-BOT-BC175967
Hypericum
Lowell Ahart
1977-7-19
s.n.
Butte
Peter Ahart Ranch, Honcut. Along North Honcut Creek
50
Comment
SFV2319
Hypericum anagalloides
M. L. Vincent
1960-7-18
105
Butte
Sierra Nevada Old Stage Road near Stearns Road, 3 miles south of Paradise.
530
Comment
CHSC96820
Hypericum concinnum
Lowell Ahart
2007-5-29
13925
Butte
Near the southeast edge of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
636
Comment
CAS-BOT-BC410222
Hypericum concinnum
Clarence R. Quick
1964-7-9
64 -55
Butte
north of Jarbo Gap
Comment
CHSC41258
Hypericum formosum var. scouleri
S. C. Morey
1983-7-21
477
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CAS-BOT-BC401333
Hypericum scouleri
H. F. Copeland
1920-7-24
17
Butte
Bank of Colby Creek
1828
Comment
CHSC38122
Hypochaeris glabra
R. L. Ondricek-Fallscheer
1983-5-8
168
Butte
In yard of house on plateau at sw end of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
188
Comment
POM219091
Hypochaeris glabra
H. F. Copeland
1923-4-21
259
Butte
Canyon of Chico Creek
Comment
SEINET10532856
Ibicella lutea
Mary Susan Taylor
1974-10-11
Taylor 328
Butte
Along Sacramento River, in vicinity of the washout on River Road, ca. 10 mi W of Chico. Riparian Woodland.
61
Comment
CHSC38771
Ipheion uniflorum
Vernon Oswald; Kingsley Stern
1983-3-7
129
Butte
Upper Bidwell Park, Chico, at Police Pistol Range.
97
Comment
CHSC11955
Ipomopsis aggregata subsp. formosissima
E. B. Copeland
1929-7-24
394
Butte
Jonesville.
1550
Comment
SEINET10469746
Iris hartwegii
Mary Susan Taylor
1979-5-4
Taylor 1982
Butte
T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops.
1006
Comment
SEINET12046587
Iris hartwegii
Unknown
1977-1
45
Butte
ca 3 ft. to E side of Vilas Rd. and 0.3 mi NE of jct of Cohasset Hwy and Vilas Rd., Cohasset
945
Comment
CHSC116977
Iris macrosiphon
Matthew Forster
2013-4-9
Butte
Centerville Rd., along flumes trail.
335
Comment
SEINET10469752
Iris macrosiphon
Mary Susan Taylor
1975-2-16
Taylor 379
Butte
Ca. 1/4 mi W of Pentz-Magalia Hwy, ca. 5 mi S of Paradise, in vicinity of Lime Saddle Reservoir. Foothill Woodland.
Comment
CHSC87577
Iris pseudacorus
R. D. Fischer
2004-4-16
129
Butte
Collected in backyard pond from house on Floral Avenue in Chico. Plants in turn were collected from another Chico home and they in turn were collected from margins of Edgar Slough (Comanche Creek) next to Hwy 99, south Chico.
60
Comment
CHSC115682
Iris tenuissima subsp. tenuissima
Emily Meigs Doe
2015-4-23
24
Butte
Northern HighSierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Near Road 19N19, approx. 0.25 miles north of its intersection with Ponderosa Way.
731
Comment
CHSC28828
Isoetes howellii
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-18
420
Butte
Top of North Table Mountain, ca 1.0 mi n of Cherokee Rd.
Comment
SEINET223495
Isoetes howellii
Barbara Ertter, Jeff Strachan; Lowell Ahart
1980-5-7
3288
Butte
Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Oroville and Marysville.
31
Comment
CHSC58863
Isoetes nuttallii
Lowell Ahart
1992-7-21
6814
Butte
On the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CHSC45183
Isolepis cernua
Lowell Ahart
1984-5-12
4605
Butte
Vernal pool, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC82291
Isolepis cernua
Lowell Ahart
2002-4-24
9534
Butte
Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville.
35
Comment
HSC72758
Jensia rammii
M. S. Taylor
1980-5-27
2672
Butte
On Big Bald Rock, 3 mi. E of Lake Madrone.
998
Comment
CHSC3365
Juglans californica var. hindsii
M. Gregg
1966-4-11
90
Butte
On the Nature Trail in Bidwell Park, Chico. Just off of E. 8th St.
Comment
UC1174970
Juglans californica var. hindsii
P. C. Everett and E. K. Balls
1959-10-20
23906
Butte
Henshaw Ave. Chico (at roadsides along orchards)
58
Comment
CHSC96947
Juncus acuminatus
Lowell Ahart
2007-7-7
14263
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
CHSC96961
Juncus bufonius var. bufonius
Lowell Ahart
2007-6-12
14076
Butte
Seeps, about 40 yards north of Bean Creek Road, about 1/4 mile (air) southeast of Little Bald Rock, about 15 miles (air) northeast of Oroville.
974
Comment
JEPS117241
Juncus bufonius var. bufonius
Lowell Ahart
2010-5-14
16665
Butte
Along a small drainage, near south park fence, Disc Golf Area, west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
350
Comment
CHSC61347
Juncus bufonius var. occidentalis
Lowell Ahart
1993-7-29
7119
Butte
Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City.
1584
Comment
CHSC28546
Juncus effusus subsp. pacificus
M. S. Taylor
1978-7-18
1721
Butte
On n side of Butte Creek, ca. 1/8 mi w of Road Island jct, at jct of Butte Creek and Old Humboldt Rd, ca. 1 mi w of Cherry Hill Campground, sw of Jonesville.
1524
Comment
CHSC38920
Juncus effusus subsp. pacificus
Vernon Oswald
1983-5-27
571
Butte
Upper Bidwell Park, Chico near the retaining wall along Chico Creek at the e end of Centennial Ave. In bed of the creek.
85
Comment
CHSC39675
Juncus effusus subsp. pacificus
Lowell Ahart
1983-6-21
4099
Butte
Found along the edge of Bloomer Hill Road, about 3 miles north-west of the Oroville Quincy Highway, about 16 miles north-east of Oroville. Section 30.
700
Comment
CDA42851
Juncus effusus var. pacificus
L. Ahart
2011-8-19
17637
Butte
About 30 yards east of Know-nothing Creek, in low area on the north side of Lumpkin Ridge Road, about 1/2 mile southwest of the intersection of Lumpkin Ridge Road, County Road and road to Cascade, about 5 miles (air) northeast of Feather Falls.
Comment
RSA726663
Juncus ensifolius
L. Ahart
2007-7-15
14303
Butte
East side of Encina Grand Road (Bloomer Hill Road), about 50 yards north of the home, about 1/4 mile (air) west of Bloomer Hill.
809
Comment
RSA742781
Juncus ensifolius
L. Ahart
2008-7-23
15142
Butte
About 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
258
Comment Read comments Feb 2 2010
SBBG121549
Juncus ensifolius
L. Ahart
2007-7-15
14303
Butte
E side of Encina Grand Rd (Bloomer Hill Rd), ca. 50 yards N of the home, ca. 0.25 W of Bloomer Hill
808
Comment
CHSC92951
Juncus exiguus
L. P. Janeway
2005-7-16
8494
Butte
Northern High Sierra Nevada. Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek. Nest to small creeklet.
969
Comment
JEPS45835
Juncus howellii
Duncan Dunning
1921-7-29
Butte
Butte Meadows
Comment
JEPS114891
Juncus kelloggii
Lowell Ahart
2008-5-30
14794
Butte
Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
305
Comment
JEPS127086
Juncus kelloggii
Lowell Ahart
2016-4-15
20750
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
CHSC39889
Juncus leiospermus
M. S. Taylor; L. Ahart, J. Jokerst
1984-4-6
5407
Butte
Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
CHSC47556
Juncus leiospermus
Lowell Ahart
1979-4-30
1854
Butte
On the top of Table Mountain, near the large parking area, south-east side of the road, about 7 miles north of Oroville.
396
Comment
CHSC12409
Juncus leiospermus var. ahartii
Lowell Ahart
1973-4-15
192
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC66970
Juncus leiospermus var. ahartii
James D. Jokerst; Chuck Ricard
1993-4-12
3947
Butte
Vernal pool preserve S and adjacent to Table Mtn. Municipal Golf Course, W and adjacent to Oroville Municipal Airport.
53
Comment
CAS-BOT-BC110142
Juncus leiospermus var. leiospermus
Lowell Ahart
1978-5-2
s.n.
Butte
Sierra Nevada. Table Mountain, ca. 7 miles north of Oroville.
400
Comment
CHSC71105
Juncus leiospermus var. leiospermus
Lowell Ahart
1998-5-30
7960
Butte
West side of a vernal pool, southwest of the lone oak tree, west of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
JEPS104275
Juncus leiospermus var. leiospermus
Lowell Ahart
2003-4-8
10036
Butte
On the high water line of a small vernal pool, ca 20 yd south of a faint poor dirt road, pasture field, ca 150 yd sw of the iron gate and fence, w of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
344
Comment
RSA712857
Juncus leiospermus var. leiospermus
L. Ahart
2006-5-8
12584
Butte
About 3/4 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
397
Comment
RSA712863
Juncus leiospermus var. leiospermus
L. Ahart
2006-5-8
12602
Butte
About 2 3/4 miles west of the parking area, cow chute, and Cherokee Road. North Table Mountain, about 7 miles (air) north of oroville.
280
Comment
CHSC41353
Juncus oxymeris
R. A. Schlising
1983-5-15
4408
Butte
Richvale Vernal Pools; 0.25 mile S of junction Hwy 162 to Oroville with Highway 99; along the latter and across from Thermalito Afterbay. In pools in SE portion of area.
Comment
CHSC97148
Juncus oxymeris
Lowell Ahart
2007-7-7
14264
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
JEPS121939
Juncus oxymeris
Lowell Ahart
2014-7-7
19595
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
JEPS115909
Juncus patens
Lowell Ahart
2009-7-9
16004
Butte
On the east side of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
UC1586590
Juncus patens
Vernon H. Oswald and Lowell Ahart
1991-5-31
4638
Butte
s side Thermalito Diversion Pool (and on the n side of Oroville Dam Blvd East, between the 4 and 5 mi posts (ca 4.5 mi)); Lake Oroville State Recreation Area, Dan Beebe Trail
85
Comment
RSA0113970
Juncus tenuis
Lowell A. Ahart
2008-7-23
15143
Butte
On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 0.25 miles west of the Ponderosa Dam.
258
Comment
UCR246367
Juncus tenuis
Peter F. Zika
2011-7-7
25541 A
Butte
Northern Sierra Nevada Highlands (n SNH), near parking lot for Big Bald Rock Trailhead, 0.2 air miles E of Big Bald Rock
1050
Comment
SBBG121534
Juncus tenuis
L. Ahart
2007-6-12
14081
Butte
E side of Rockefeller Rd, at the intersection of Bald Rock Rd and Rockefeller Rd, ca. 13 mi NE of Oroville
1011
Comment
SEINET10472342
Juncus tenuis
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4734
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
JEPS118345
Juncus triformis
Lowell Ahart
2011-7-9
17563
Butte
Open area of almost bare rock about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville
1009
Comment
JEPS118353
Juncus triformis
Lowell Ahart
2011-7-9
17571
Butte
Southeast edge of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville
974
Comment
CHSC106863
Juncus uncialis
Lowell Ahart
2011-5-2
17347
Butte
Open pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
32
Comment
JEPS113749
Juncus usitatus
Lowell Ahart
2007-8-3
14405
Butte
On the west side of a large canal, on the west side of Aguas Frias Road (Goodspeed Watt), about 6 miles (air) northwest of Richvale
29
Comment
JEPS113762
Juncus usitatus
Lowell Ahart
2007-7-31
14400 B
Butte
On the south strand of Thermalito Afterbay, about 150 yards north of Highway 162, about 5 1/4 miles west of the intersection of Highway 162 and Highway 70, about 5 3/4 miles (air) west of Oroville
34
Comment
CHSC49630
Juncus xiphioides
Vernon Oswald
1987-5-25
2925
Butte
Butte Creek Reserve on the se side of Butte Creek ne of Hwy 99, downstream from the dam for the Durham Mutual Ditch. On the flood plain of the creek.
68
Comment
CDA41422
Keckiella breviflora subsp. breviflora
Ball & Raynor
May 1945
s.n.
Butte
Chico.
0
Comment
RSA293236
Keckiella breviflora subsp. glabrisepala
D. C. Michener
1980-8-4
3777
Butte
Northern Sierra Nevada. Feather River Canyon, 4.4 miles north of Pulga on CA 70.
500
Comment
CHSC44721
Keckiella breviflora var. glabrisepala
R. Banchero
1980-6-5
196
Butte
Along Hwy 70 at its jct with the Feather River at the Rivers edge, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70.
487
Comment
NY790166
Keckiella breviflora var. glabrisepala
L. Ahart
1980-6-19
2386
Butte
Along the edge of Swedes Flat Road, ca. 2.5 miles east of the Bangor-Oroville Highway, near Bangor.
320
Comment
SEINET10964557
Keckiella lemmonii
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4209
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
CHSC10642
Kickxia elatine
Lowell Ahart
1969-7-12
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC109754
Kickxia elatine
Lowell Ahart
2012-10-20
18506
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
UC1562422
Kickxia elatine
Lowell Ahart
1990-6-16
6513
Butte
se side Forbestown Reservoir (near the Forbestown Generator, along se side of dirt road)
487
Comment
RSA262526
Koeleria macrantha
W. R. Powell
1968-5-16
1505
Butte
1/2 mile NE of Lake Wyandotte.
497
Comment
CHSC90806
Koeleria phleoides
Lowell Ahart
2005-5-2
11769
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
CHSC84400
Lactuca saligna
Lowell Ahart
2003-8-6
10476
Butte
In the road gutter on the east side of Encina Grande Road, just south of a small branch of Canyon Creek, about 1 mile west of Oroville Quincy Highway, about 2 1/2 miles (air) southwest of Berry Creek.
632
Comment
CHSC66664
Lactuca serriola
Vernon H. Oswald; Lowell Ahart
1996-7-22
8081
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the W side of the levee at the SW corner of Tract 6, Sanctuary 1.
30
Comment
POM181475
Lactuca serriola
H. F. Copeland
1923-1
864
Butte
Nelson.
Comment
CAS-BOT-BC341291
Lagophylla glandulosa
John Thomas Howell
1961-9-22
36746
Butte
Feather River Highway, 3 miles from Oroville
Comment
SFV4001
Lagophylla glandulosa
M. L. Vincent
1960-9-7
112
Butte
Sierra Nevada On dry bluff overlooking Butte Creek Canyon. 3 miles west of Paradise on the Skyway.
215
Comment
JEPS107342
Lamium amplexicaule
Lowell Ahart
2005-4-2
11691
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
SEINET10497958
Lamium amplexicaule
Mary Susan Taylor
1975-3-25
Taylor 425
Butte
Chico.
Comment
CHSC113441
Lapsana communis
Lowell Ahart
2014-7-7
19564
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
CHSC277
Lasthenia californica
J. Turner
1930-3-25
Butte
Chico Creek Canyon.
152
Comment
CHSC90626
Lasthenia californica
Jose Romero
1983-4-20
20
Butte
Oroville Wildlife Area, junction of Larkin and Timothy Roads, 4 mi southwest of Oroville.
45
Comment
UCD80083
Lasthenia californica subsp. californica
CNPS SN Foothill Team
2005-3-31
SNFN 0072 b
Butte
CDFG North Table Mountain Wildlife Area outside Oroville. Plot is ca. 1 mile west-southwest of turnout on tabletop, 1/4 mile northeast of a minor ravine.
310
Comment
CHSC93346
Lasthenia gracilis
Lowell Ahart
2006-5-3
12557
Butte
Base of a basalt outcrop, about 1/2 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
409
Comment Read comments Jan 19 2011
UCD73064
Lasthenia platycarpha
Ayzik Solomeshch
2003-4-9
s. n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road.
Comment
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
CHSC117437
Lathyrus angulatus
Lowell Ahart
2016-5-30
20896
Butte
On the south side of a deep wash, west of Little Pump, Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east ofd Honcut, about 12 miles (air) south of Oroville.
30
Comment
JEPS117244
Lathyrus angulatus
L. Ahart
2010-5-5
16607
Butte
Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 air miles northeast of Oroville
264
Comment
JEPS96018
Lathyrus angulatus
Vernon H. Oswald and Lowell Ahart
1996-5-27
7652
Butte
U.S. Fish and Wildlife Service parcel betw Seven Mile Lane and Sacramento River (Sac. R. Nat'l Wildlife Refuge, Llano Seco Unit, between hiking trail and s end of Tract 2...); Sacramento River National Wildlife Refuge, Llano Seco Unit
33
Comment
CHSC48510
Lathyrus brownii
Vernon Oswald
1985-5-16
1762
Butte
Chico Meadows 200 ft n of the spring.
1316
Comment
CAS-BOT-BC213337
Lathyrus jepsonii subsp. californicus
Peter H. Raven
1953-5-9
5426
Butte
8 miles from Bangor on Oroville Road
Comment
CAS-BOT-BC213338
Lathyrus jepsonii subsp. californicus
H. E. Brown
1897-4-15
213
Butte
Near Clear Creek
Comment
CHSC104801
Lathyrus latifolius
Lowell Ahart
2010-6-12
16791
Butte
On the north side of Ten Mile House Road, about 1/2 mile (air) from Highway 32, about 9 miles (air) northeast of Chico.
332
Comment
CHSC113653
Lathyrus latifolius
L. P. Janeway
2014-5-29
11279
Butte
Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville.
774
Comment
CHSC858
Lathyrus latifolius
E. Walker
1932-6-23
Butte
Magalia Creek marshes.
731
Comment
POM219421
Lathyrus nevadensis subsp. nevadensis
E. B. Copeland
1931-6-10
654
Butte
Jonesville.
1500
Comment
RSA517347
Lathyrus sphaericus
Barbara J. Ertter, Lowell Ahart
1986-4-13
5887
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (mostly used as sheep pasture).
30
Comment
CAS-BOT-BC213285
Lathyrus sulphureus
Lowell Ahart
1987-5-11
5621
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown
868
Comment
CDA15364
Lathyrus sulphureus
G. F. Hrusa
1997-5-29
13801
Butte
Sierra Nevada; Slopes on N side of Sucker Run Creek, ~1.5 mi. SSE of Feather Falls townsite.
Comment
CHSC31837
Lathyrus sulphureus
L. Ahart
1977-4-16
1308
Butte
Peter Ahart Ranch, Honcut. Along the banks and sides of North Honcut Creek.
50
Comment
CHSC42560
Lathyrus sulphureus
Lowell Ahart
1987-5-11
5621
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
UC864572
Lathyrus sulphureus
A. A. Heller
1915-4-20
11846
Butte
3 mi above Centerville (in the Sierra foothills)
Comment
CDA4996
Lavatera cretica
L. Ahart
2001-4-19
8730
Butte
On the east side of Highway 70, about 50 yards south of Middle Honcut Road, about 3 /14 miles (air) northwest of Honcut, about 1 mile south of Oroville.
Comment
CAS-BOT-BC321754
Layia fremontii
A. A. Heller
1914-3-28
11235
Butte
Hills 8 miles N of Oroville
Comment
CHSC52966
Lemna gibba
Vernon H. Oswald
1991-2-23
4470
Butte
Chico Sewer Treatment Plant on River Rd, ca. 4.5 mi w of Chico. In an irrigation ditch along the west boundary of the treatment plant.
39
Comment
JEPS120087
Lemna minuta
Lowell Ahart
2012-6-5
18158
Butte
On the south side of Beastson Hollow, about 1 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
JEPS120152
Lemna minuta
Lowell Ahart
2012-10-20
18491
Butte
On the south side of Big Chico Creek, about 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
JEPS120767
Lemna minuta
Lowell Ahart
2013-9-20
19063
Butte
About 20 yards north of Hamilton Road, about 1/8 mile east of Riceton Highway, about 1 mile southeast of the Rice Experiment Station.
Comment
CHSC43795
Lemna trisulca
Vernon Oswald
1984-6-11
1287
Butte
Near Humboldt Rd. at Butte Creek, 0.2 mi w of Cherry Hill Campground. In a pool on the edge of the meadow.
1414
Comment
UC600563
Lemna trisulca
E. B. Copeland
1930-6-27
Butte
Jonesville
1550
Comment
CAS-BOT-BC215731
Lepechinia calycina
Lowell Ahart
1979-5-29
s.n.
Butte
2 1/2 mi. se of Paradise
500
Comment
POM70456
Lepechinia calycina
C. C. Bruce
1898-05
2382
Butte
County seat grade.
Comment
RSA500419
Lepidium latipes
Vernon H. Oswald, L. P. Janeway
1989-4-17
3735
Butte
Butte Sink Wildlife Area (W portion of Schohr Ranch), between the ranch road and Little Dry Creek near the S gate on Gridley-Colusa Hwy.
18
Comment
CAS-BOT-BC89875
Lepidium nitidum
A. A. Heller
1914-3-21
11274
Butte
Hills 8 miles north of Oroville.
Comment
CHSC10840
Lepidium nitidum
Lowell Ahart
1969-3-27
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC103658
Lepidium nitidum var. nitidum
Lowell Ahart
2010-3-14
16571
Butte
Edges of a gravel road, about 50 yards north of the wash, 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
RSA767799
Lepidium nitidum var. nitidum
L. Ahart
2010-3-14
16571
Butte
About 50 yards north of the wash, Peter Ahart Ranch, about 1.5 miles north and 1.25 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
SEINET10841497
Lepidium perfoliatum
Lowell Ahart
1984-6-8
Ahart 4680
Butte
Along the edge of the dirt road, the road forks here and one goes to Feather Falls and the other to Lumpkin Ridge Rd, ca. 3 mi NE of Ponderosa Dam, ca. 3 mi N of Forbestown; Yellow Pine Forest.
500
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
CHSC103655
Lepidium strictum
Lowell Ahart
2010-4-5
16573
Butte
Vacant lot, about 50 feet west of Virginia Street, about 20 feet south of Spruce Street, in Gridley.
28
Comment
UCD63782
Leptochloa fusca subsp. fascicularis
E. M. Johnston
1915-1
Butte
Biggs.
Comment
CHSC31826
Leptosiphon bicolor
L. Ahart
1974-4-11
367
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC90798
Leptosiphon ciliatus
Lowell Ahart
2005-5-2
11765
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
SBBG98248
Leptosiphon ciliatus
H. F. Copeland
1931-6-11
1530
Butte
woods above Butte Crk Meadows, Jonesville
1828
Comment
POM364518
Leptosiphon ciliatus
L. Ahart, P. Ahart
1984-5-28
4645
Butte
About 1 mi NE of West Branch Bridge, ca. 2 mi S. of Old Yankee Hill, ca. 16 mi. NE of Oroville
450
Comment
CHSC91672
Leptosiphon filipes
L. P. Janeway; Matt Brown, Jamie Tuitele-Lewis
2005-7-12
8490
Butte
Northern High Sierra Nevada. Plumas National Forest; ridge between Camp Creek and canyon of North Fork Feather River; 0.5 km southeast of confluence of Camp Creek and Lockerman Creek. Steep southwest-facing slope.
981
Comment
CHSC97027
Leptosiphon harknessii
Susan Bazell; R. Schlising
2007-6-21
53
Butte
East of Jonesville on Lassen National Forest Road 26N27. On flat gravelly spot at edge of road across from Butte Creek House.
1767
Comment
RSA79046
Lessingia nemaclada
E. K. Balls, Percy C. Everett
1952-10-14
18215
Butte
2.4 miles southwest of Butte-Plumas county line on Highway 24
274
Comment
CAS-BOT-BC342060
Lessingia virgata
John Thomas Howell
1959-9-19
34612
Butte
5 mi west of Oroville
45
Comment
CHSC51868
Leucothoe davisiae
L. P. Janeway
1988-7-2
2939
Butte
Marsh/mdw at upper reach of Brush Cr, ca 1.5 mi S of 'town' of Brush Creek.
952
Comment
CHSC29375
Lewisia nevadensis
R. A. Schlising; R. Banchero
1980-6-2
3632
Butte
0.1 mi s of jct Humboldt Rd and Skyway/Humbug Rd at Butte Meadows.
1341
Comment
SEINET10572653
Lewisia triphylla
Mary Susan Taylor
1980-5-27
Taylor 2673
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
CHSC105519
Ligusticum grayi
Lowell Ahart
2010-9-28
17243
Butte
On damp black rich soil, meadow edges or under red fir trees, about 50 yards east of the poor dirt road, 30 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir.
1886
Comment
CHSC42590
Ligusticum grayi
Vernon Oswald
1985-7-2
1879
Butte
Scotts John Rd. 0.6 mi n of the road connecting Humboldt and Humbug Rds.
1780
Comment
CHSC27186
Ligustrum japonicum
P. Moyer; R. Pessner
1971-10-1
22
Butte
CSUC Campus. N bank Chico Ck., along So-wil-len-no Ave.
60
Comment
JEPS117613
Lilaea scilloides
Lowell Ahart
2010-6-9
16789
Butte
About 100 yards west of the fence, about 1/2 mile south of the improved parking area and Cherokee Road, North Table Mountain, about 5 1/2 iles (air) northeast of Oroville
398
Comment
SEINET10968804
Lilaea scilloides
Mary Susan Taylor
1980-5-31
Taylor 2772
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
CHSC46225
Lilium pardalinum subsp. pardalinum
Pauleen Broyles
1987-6-26
1059
Butte
Ca 2.0 km s. of Inskip of w. side of Skyway.
1400
Comment
CHSC4660
Lilium washingtonianum subsp. washingtonianum
R. Carter
1966-6-15
439
Butte
1.5 mi. S of Brush Creek along W side of Bald Rock Rd.
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
CHSC38538
Limnanthes alba subsp. alba
Vernon Oswald
1983-4-18
337
Butte
Upper Bidwell Park, Chico, on the north rim near the head of the west intermittent stream which flows into Sycamore Creek (4000 ft e of the power lines).
286
Comment
UC971834
Limnanthes alba subsp. alba
Charles T. Mason Jr.
1949-4-23
1252
Butte
7 mi s Oroville (in ditch along e side of State Hwy 24)
Comment
UCR224690
Limnanthes alba subsp. alba
Dena Grossenbacher, Joel Smith
2009-5-9
986
Butte
On south shore of Wyandotte Lake along Forbes Town Road, 2.0 miles east of Hwy 62
427
Comment
UCD169373
Limnanthes alba subsp. alba
T. W. Henrich
2004-4-12
s.n.
Butte
Meghdadi Property' in southeast Chico; about 0.5 km north of Doe Mill Road, about 0.5 km east of south end of Potter Road, and 0.25 km west of old stone fence.
Comment
CHSC3534
Limnanthes douglasii subsp. nivea
John Francis
1966-3-28
85
Butte
Table Mt., beside creek.
Comment
HSC32645
Limnanthes douglasii subsp. rosea
Gary S. Lester
1974-4-20
95
Butte
Skyway Blvd., 1 mi. E of US 99
61
Comment
CHSC102546
Limnanthes floccosa subsp. californica
Elena Gregg
2010-3-31
Butte
Northern Sacramento Valley. Near the base of the foothills in-between where Wookey road and Munjar Road terminate.
106
Comment
RSA715421
Limnophila X ludoviciana
L. Ahart
2005-9-13
12368
Butte
On the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Road.
29
Comment
CHSC40393
Limosella acaulis
Lowell Ahart
1985-4-20
4876
Butte
Rice field, Peter Ahart Ranch, about 2 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville.
40
Comment
UC478476
Linanthus harknessii
E. B. Copeland
1931-7-1
681
Butte
Butte Creek Jonesville
1500
Comment
JEPS120608
Lindernia dubia var. anagallidea
Lowell Ahart
2013-11-13
19237
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
Comment
CHSC42723
Linnaea borealis var. longiflora
Lowell Ahart
1987-5-22
5680
Butte
About 1/8 mile north-east of Camp 18, about 61/2 miles north-east of Feather Falls.
1219
Comment
CHSC107370
Linum bienne
Lowell Ahart
2011-6-5
17365
Butte
On the west edge of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
42
Comment
CHSC40905
Lipocarpha micrantha
Lowell Ahart
1985-11-7
5233
Butte
About 80 feet below the high water line of Lake Oroville, on the bottom of the South Fork of the Feather River, about 300 yards north-west of the Ponderosa Dam.
277
Comment
CHSC25472
Lithocarpus densiflorus
Hayes; Warner
1977-9-11
67
Butte
Along Hwy 32 above Forest Ranch, exactly 21.4 mi from Hwy 99 overpass in Chico.
701
Comment
CHSC44087
Lithocarpus densiflorus
L. P. Janeway
1987-6-26
2301
Butte
On Granite Ridge, along Concow Rd. 2.0 mi N of Rag Dump.
1295
Comment
SEINET10483000
Lithophragma
Mary Susan Taylor
1981-5-7
Taylor 3635
Butte
T20N R6E ne sec 33, Forbestown quad. N side of Ponderosa Way, N of the Sucker Creek bridge, ca. 4 air mi SW of Feather Falls community. Yellow Pine Forest; 1200 ft.
366
Comment
CHSC103667
Lithophragma bolanderi
Lowell Ahart
2010-4-30
16603
Butte
Steep north slope, below rim and above cliffs, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
CHSC2819
Lithophragma bolanderi
David Prall
1965-3-14
9
Butte
At edge of cliff ca. 30 yds. south of Neal Rd. 1mile East of HW 99E.
106
Comment
JEPS117712
Lithophragma bolanderi
Lowell Ahart
2010-4-30
16603
Butte
Steep north slope, below rim and above cliffs, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
353
Comment
CHSC29225
Lithophragma parviflorum var. trifoliatum
M. S. Taylor; J. D. Jokerst, L. Ahart
1980-4-6
2435
Butte
SE corner of jct of Rcky Honcut Creek and Swedes Flat Rd, ca. 2 mi e of Oroville-Banger Hwy, ca. 10 mi s of Oroville.
365
Comment
CAS-BOT-BC428449
Lithophragma trifoliatum
Mary E. Wall
1935-4-14
s.n.
Butte
Between Cherokee & Oregon City
Comment
CHSC60576
Lithospermum californicum
Vernon H. Oswald; Lowell Ahart
1993-4-19
5277
Butte
Rattlesnake Creek Trail from Jordan Hill Rd. to Sawmill Pk. Lookout, ENE of Magalia. North-facing slope on the S side of Rattlesnake Creek.
701
Comment
CDA3840
Lobularia maritima
L. Ahart
2001-4-15
8722
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
Comment
CAS-BOT-BC342139
Logfia filaginoides
A. A. Heller; H. E. Brown
1902-5-9
5515
Butte
Berry Canyon (near Clear Creek)
Comment
CAS-BOT-BC342140
Logfia filaginoides
A. A. Heller; H. E. Brown
1902-5-9
5515
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC393
Logfia filaginoides
B. Richardson
1929-4-21
Butte
Flats above Chico.
67
Comment
CHSC30307
Logfia gallica
M. S. Taylor
1980-5-27
2681
Butte
Big Bald Rock, ca. 3 mi e of Lake Madrone.
996
Comment
CHSC46952
Logfia gallica
Lowell Ahart
1978-5-15
1719
Butte
Field, Peter Ahart Ranch, about 2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CAS-BOT-BC342385
Logfia gallica
A. A. Heller
1914-6-2
11148
Butte
Hills 8 miles north of Oroville
Comment
CAS-BOT-BC283386
Lolium multiflorum
A. A. Heller
1914-5-19
11420
Butte
Hills, 8 miles N of Oroville
Comment
CHSC35657
Lolium multiflorum
R. E. Preston
1982-4-22
245
Butte
On n bank of Western Canal, at jct with the Midway, 0.8 mi s of Nelson.
35
Comment
CHSC41557
Lolium multiflorum
R. L. Ondricek-Fallscheer
1982-5-26
137
Butte
In yard of house on plateau at sw end of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
192
Comment
UCD66624
Lolium temulentum
R. N. Raynor; H. A. Hannesson
1941-5-9
Butte
4 mi. N of Gridley.
Comment
CHSC38151
Lomatium caruifolium var. denticulatum
J. D. Jokerst
1983-5-12
1763
Butte
Table Mountain. Top of North Table Mt.
Comment
CHSC60646
Lomatium dissectum var. multifidum
Vernon H. Oswald
1993-4-12
5257
Butte
S wall of Flag Canyon on the NW edge of North Table Mtn., N of Oroville. P
341
Comment
CDA38463
Lomatium marginatum
T. C. Fuller
1962-5-17
8710
Butte
Highway 99E at Cana Highway, ca. 10 miles northwest of Chico.
0
Comment
CHSC96573
Lomatium marginatum var. marginatum
L. P. Janeway
2006-5-14
8596
Butte
Northern High Sierra Nevada. Upper part of open serpentine slope just west of Jordan Hill Road; 0.9 km east of Sawmill Peak lookout.
953
Comment
HSC72763
Lomatium marginatum var. marginatum
M. S. Taylor
1981-4-8
3490
Butte
Plumas NF; Between Ponderosa Way & Concow Road, ~.10 mi. S of their junction, 2 mi. N of Lake Concow.
976
Comment
CHSC33347
Lomatium utriculatum
Laurel L. Huey
1980-4-21
4
Butte
Ca. 80 m se of Butte Creek at Covered Bridge.
125
Comment
CAS-BOT-BC240445
Lonicera hispidula
Lowell Ahart
1983-6-21
4066
Butte
Along Bloomer Hill Road. Along a poor road near a branch of Canyon Creek, just off of Bloomer Hill Road, about 1/2 mile west of the Oroville Quincy Highway, about 15 miles north-east of Oroville
400
Comment
CHSC195
Lonicera hispidula
H. Goodyear
1939-5-4
Butte
Honey Run grade
457
Comment
CHSC28429
Lonicera hispidula
M. S. Taylor
1979-10-5
2238
Butte
SE side of Paradise Lke, ca. 1/2 mi N of Coutolenc Rd., ca. 5 mi N of Magalia.
731
Comment
CHSC55489
Lonicera interrupta
L. P. Janeway
1991-6-8
3998
Butte
Crest between Montgomery Bar Ravine, Oregon Gulch and the head of Spring Hollow. At edge of little-used dirt road.
411
Comment
CHSC109073
Lonicera japonica
Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17914
Butte
On the north side of the path, near Table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
80
Comment
SEINET10906988
Lotus argophyllus var. fremontii
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4256
Butte
T22N R7E sw sec 31. Ca. 3 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 1100 m.
1100
Comment
SEINET10452684
Lotus grandiflorus var. macranthus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4139
Butte
T20N R5E se/ne sec 10. Along edge of East Fork Canyon Creek, near Ponderosa Way (Big Ridge Rd), ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
CDA27215
Lotus incanus
Sterling O. Mattoon, J. Harroun
1971-5-27
Butte
Along driveway into property, James Knibbs property, Skyway, Stirling City.
0
Comment
JEPS114736
Lotus strigosus
Lowell Ahart
2008-5-12
14734
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam
258
Comment
CHSC33361
Lotus wrangelianus
R. M. Winchell
1980-4-16
8
Butte
Bidwell Park e of Chico along dry wash.
Comment
CHSC114281
Ludwigia decurrens
M. Steward; C. Mutters
2011-9-13
Butte
South-southwest of Richvale.
Comment
UCD65988
Ludwigia hexapetala
B. J. Grewell; Steve Cordes
2005-9-27
05- 23 -LU
Butte
Upper Butte Wildlife Area, Llano Seco Unit, California Dept. of Fish and Game. 1521 acre wetland area, near intersection of Seven Mile Lane and Nelson Road.
32
Comment
CHSC75970
Ludwigia peploides subsp. montevidensis
Lowell Ahart; Vernon H. Oswald
1999-8-13
8172
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
JEPS95927
Ludwigia peploides subsp. montevidensis
Lowell Ahart
1999-8-13
8172
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
CHSC35985
Lupinus albicaulis var. shastensis
J. D. Jokerst
1982-5-16
1571
Butte
Ponderosa Way 0.5 mi N of its jct, with Lower Forbestown Road.
731
Comment
CAS-BOT-BC201353
Lupinus albifrons var. albifrons
Charles Piper Smith
1949-4-21
49121
Butte
Pentz - 4 miles north - Magalia Road
Comment
CAS-BOT-BC196245
Lupinus albifrons var. eminens
A. A. Heller
1902-5-16
14340
Butte
East Butte, Marysville Buttes, in the Sacramento Valley
Comment
CAS-BOT-BC196253
Lupinus albifrons var. eminens
A. A. Heller
1915-3-25
11782
Butte
Southwest end of the Marysville Buttes
Comment
UCD107237
Lupinus bicolor
A. A. Heller
1919-4-18
13109
Butte
Canon of Mud creek above Richardson Springs.
Comment
SEINET10940039
Lupinus bicolor subsp. pipersmithii
Lowell Ahart
1985-4-1
Ahart 4873
Butte
Along Table Mountain Boulevard, near the Cambell Overflow, a little south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville.
Comment
SEINET10484922
Lupinus bicolor subsp. tridentatus
Mcbride
1981-4-18
MCBRIDE 1
Butte
Small population, 1.5 km e of chico and 1 km n of little chico creek. Open Area within transitional zone between valley loland and foothills.
90
Comment
CHSC26255
Lupinus bicolor var. tridentatus
John Steiner
1977-4-23
58
Butte
Growing adjacent to s bank of Chico Creek at e end of Chico Canyon Rd.
65
Comment
CHSC924
Lupinus bicolor var. tridentatus
P. Delaplane
1965-4-6
29
Butte
Fairly abundant along side of Cohasset Rd. 3/4 mi above turnoff to Richardson Springs Rd. Chico.
243
Comment
SEINET12161336
Lupinus densiflorus
Unknown
1978-1
10
Butte
ca 20 mi SE of The Pentz, Pentz Magalia Hwy junc, 24kmSWE of Chico
140
Comment
SEINET10452086
Lupinus latifolius
Lowell Ahart
1984-6-8
Ahart 4665
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
CHSC93976
Lupinus latifolius var. columbianus
R. D. Fischer
2004-6-20
776
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. On slope above creek.
1371
Comment
CDA27454
Lupinus latifolius var. columbianus
Vernon H. Oswald & Lowell Ahart
1998-8-11
9471
Butte
Four Trees-Coyote Gap Road 0.4 mile west of Four Trees.
Comment
CHSC25005
Lupinus lepidus var. sellulus
E. B. Copeland
1931-7-3
651
Butte
Jonesville. Colby Canyon.
487
Comment
CHSC33151
Lupinus microcarpus var. microcarpus
Robert Banchero
1979-4-22
16
Butte
Northmost 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
SFV11545
Lupinus microcarpus var. microcarpus
M. L. Vincent
1963-6-6
371
Butte
Nelson Bar Road at PGE.
300
Comment
CHSC90378
Lupinus nanus
E. Ray Latham
1988-4-21
Butte
100 m east of east end of Fremont Street, Chico. Field.
30
Comment
UCD108986
Lupinus nanus
A. A. Heller
1913-3-9
10682
Butte
hills two miles north of Oroville.
91
Comment
UCD109250
Lupinus nanus
M. S. Taylor
1980-5-27
2720
Butte
N side of Bald Rock Rd, ca. 1 mi e of Lake Madrone.
670
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
CHSC38511
Lupinus nanus var. vallicola
Vernon Oswald
1983-5-7
440
Butte
Upper Bidwell Park, Chico, on the north rim 50 ft e of the turn-around at the end of the jeep trail.
426
Comment
CHSC109091
Lupinus pachylobus
Lowell Ahart
2012-4-20
17890
Butte
North edge of the trail, about 50 yards east of Big Chico Creek, about 100 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles northeast of Chico, south part of Upper Bidwell Park.
202
Comment
SEINET7040276
Lupinus pachylobus
A. G. Vestal
1963-5-9
s.n.
Butte
North of Oroville on Alternate 40 [presently Route 70]. Oroville Quadrangle UTM Zone 10, 620674mE, 4386722mN.
Comment
CHSC24769
Lupinus polycarpus
P. J. Welch
1976-4-11
3
Butte
Ca. 10 yds w of Mud Creek and ca. 65 yds s of Nord Hwy. overcrossing. 3.0 mi nw of Chico.
60
Comment
UC727079
Lupinus polyphyllus var. burkei
A. A. Heller
1938-7-20
15279
Butte
upper end Snag Lake (7 mi e of Chaparral); upper end of Snag Lake
1524
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
CHSC36543
Lupinus stiversii
L. Ahart
1982-6-4
3547
Butte
On a lava cap, 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
SEINET10452663
Lupinus stiversii
Mary Susan Taylor
1980-5-27
Taylor 2715
Butte
N and S sides of Bald Rock Road, ca. 1 mi E of Lake Madrone; Yellow Pine Forest.
671
Comment
SEINET10452167
Lupinus vallicola
Mary Susan Taylor
1981-5-5
Taylor 3601
Butte
T20N R6E se/nw sec 31. Forbestown quad. E side of Lumpkin-LaPorte Rd, 1 mi N of Enterprise Bridge over South Fork of the Feather River, ca. 10 air mi E of Oroville. Oepn grassy area surrounded by Woodland; 1500 ft.
457
Comment
SEINET12161680
Lupinus vallicola
Unknown
1980-1
8
Butte
Top of Table Mt ca 1 mi N of Cherokee Rd, center of S 17, T20N R4E
381
Comment
RSA32779
Lupinus vallicola subsp. vallicola
A. A. Heller
1938-4-23
15046
Butte
Along the Feather River Highway near the bridge over the river east of Oroville.
Comment
SEINET10838419
Lupinus vallicola subsp. vallicola
Mary Susan Taylor
1982-5-2
Taylor 4399
Butte
N side of Hwy 70; 0.5 mi W of Arch Rock Tunnel, ca. 25 air mi NE of Oroville.
472
Comment
CHSC105797
Luzula cascadensis
Lowell Ahart
2010-9-28
17260
Butte
West edge of a 10 acre meadow, about 50 yards east of the poor dirt road, about 20 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
CHSC59026
Luzula cascadensis
Lowell Ahart
1992-7-29
6895
Butte
In a small meadow, north of a small stream, at the end of a logging road, about 1/2 (air) mile north of Philbrook Road, about 1 (air) mile northwest of Philbrook Reservoir.
1676
Comment
CAS-BOT-BC436643
Luzula comosa var. laxa
E. B. Copeland
1929-7-16
345
Butte
Jonesville
1550
Comment
CHSC12182
Luzula macrantha
Lowell Ahart
1973-2-21
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC28000
Lychnis coronaria
M. S. Taylor
1978-7-21
1821
Butte
On s side of Oroville-Quincy Hwy along creek, ca. 14 mi n of Lake Madrone.
1463
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
CDA30014
Lycium barbarum
L. Ahart
2009-7-4
16000
Butte
At parking lot 32, Gray Lodge Waterfowl Management Area, ~ 6 air miles SW of Gridley.
Comment
CHSC21048
Lycopus americanus
M. S. Taylor
1975-10-3
934
Butte
Ca. 1/4 mi n of the washout on the Sacramento River, between River Rd and the Sacramento River, ca. 10 mi w of Chico.
36
Comment
UC1594713
Lycopus americanus
Lowell Ahart
1992-7-23
6830
Butte
ca. 2 mi. w. Oroville Dam (n. side of Thermalito Diversion Pool, near Longs Bar Monument); Lake Oroville Recreation Area
76
Comment
CHSC112328
Lythrum hyssopifolia
Lowell Ahart
2013-7-9
18833
Butte
South side of North Honcut Creek, west of the steel power line, about 2 mile (air) northeast of Honcut, about 13 miles (air) southeast of Oroville.
37
Comment
UCD103040
Lythrum hyssopifolia
E. M. Johnston
1915-1
W- 134 J
Butte
Biggs.
Comment
UCD149879
Lythrum hyssopifolia
V. S.
1969-9-18
s.n.
Butte
Gray Lodge Wildlife Area, Field 23.
Comment
NY366307
Lythrum salicaria
L. Ahart
1984-8-19
4782
Butte
North of the state burrow area, west of Pacific Heights Road, about 5 miles southwest of Oroville
40
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-BC342705
Madia elegans
A. A. Heller
1914-8-13
11684
Butte
Hills 8 miles north of Oroville
Comment
CHSC43198
Madia elegans
Robert Banchero
1981-7-17
586
Butte
Along Concow Rd n end of Concow Res.
621
Comment
CAS-BOT-BC342713
Madia elegans
David D. Keck
1930-7-25
978
Butte
Four miles west of Forbestown on Oroville road, eastern Butte County
760
Comment
UCD134240
Madia elegans
Robbins; Raynor
1943-6-1
s.n.
Butte
Feather River Canyon near Pulga.
Comment
CHSC45220
Madia exigua
Lowell Ahart
1979-6-9
1929
Butte
Near a dirt road, about 1/4 mile east of Magalia.
640
Comment
CHSC82485
Madia exigua
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9749
Butte
On the south side of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
Comment
JEPS124028
Madia exigua
Lowell Ahart
2015-6-16
20231
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
CAS-BOT-BC342965
Madia gracilis
Lowell Ahart
1978-5-30
s.n.
Butte
Near North Honcut Creek, 3 miles NE of Honcut
50
Comment
JEPS107879
Madia subspicata
Lowell Ahart
2005-5-7
11788
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
48
Comment
CHSC46430
Maianthemum racemosum
Lowell Ahart
1989-5-29
6321
Butte
Just west of Pinkard Creek, about 1/4 mile north of the Lost Creek Dam.
1005
Comment
CAS-BOT-BC510729
Maianthemum racemosum subsp. amplexicaule
E. B. Copeland
1931-6-16
616
Butte
Jonesville at 'the Summit
640
Comment
CHSC50101
Malacothrix floccifera
Vernon Oswald
1990-4-24
4169
Butte
Lime Saddle Recreation Area on th West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse.
292
Comment
JEPS98446
Malacothrix floccifera
Lowell Ahart
2000-5-31
8417
Butte
3 mi SE of Paradise (serpentine ridge, 200 yds E of where Kunkle Creek enters Lake Oroville, E of the Kunkle Power House)
335
Comment
SEINET10475287
Malacothrix floccifera
Lowell Ahart
1985-6-17
Ahart 5051
Butte
Fields Ridge, about 4 miles south-east of Feather Falls.
Comment
CHSC84131
Malva nicaeensis
Lowell Ahart
2003-5-9
10121
Butte
Along the southwest corner of a prune orchard, on the north side of Evans Reimer Road, about 3/4 mile west of Block Road, about 3 miles (air) southwest of Gridley.
24
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
SEINET3441872
Malva parviflora
Unknown
2003-5-9
10122
Butte
Dobbins, Dobbins, about 3 air miles northeast, about 0.5 miles north of Fountain Hill Road, about 3 miles south of Oregon Hill Road, west side of Fountain Hill road
20
Comment
CHSC34966
Malvella leprosa
R. A. Schlising
1981-9-23
4204
Butte
Near crossing of Little Butte Creek by Seven Mile Lane, 0.1 mi S of jct with Nelson West Road.
Comment
JEPS88407
Malvella leprosa
Vernon H. Oswald and Lowell Ahart
1996-7-22
8094
Butte
U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. (n.e. c); Sacamento R. Nat'l Wildlife Refuge, Llano Seco Unit
33
Comment
CHSC38431
Marah fabacea var. agrestis
Vernon Oswald
1983-2-23
98
Butte
Upper Bidwell Park, Chico, beside Yahi Trail between Day Camp and Bear Hole.
103
Comment
CAS-BOT-BC67811
Marsilea vestita
Lowell Ahart
1983-7-10
4191
Butte
About 1/2 mile north-east of teh intersection of Highway 99 and Pentz Road, about 13 miles north of Oroville.
65
Comment
CHSC24653
Marsilea vestita
D. Hattem
1976-4-10
3
Butte
Ca. 4.2 mi nw of Chico, ca. 250 m n of Hwy 32.
91
Comment
CHSC39968
Marsilea vestita
L. Ahart; P. Ahart
1983-7-10
4191
Butte
Ca. 0.5 mi ne of jct of Hwy 99 and Pentz Rd, ca. 13 mi n of Oroville.
65
Comment
CHSC46174
Marsilea vestita
Lowell Ahart
1980-6-15
2376
Butte
About 2 1/2 miles north and 1/2 mile east of Honcut, Peter Ahart Ranch, about 12 miles south of Oroville.
36
Comment
CHSC58671
Marsilea vestita
M. Bailey
1991-7-27
Butte
Lake Concow Reservoir.
762
Comment
CHSC8735
Marsilea vestita
S. Chulasmai
1966-5-20
42
Butte
Horseshoe (Mud) Lake.
Comment
UCR237320
Matricaria matricarioides
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18740
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
Comment
CHSC3309
Matthiola incana
M. Gregg
1966-4-13
68
Butte
Corner of 20th and Salem Streets in Chico. In flower bed.
Comment
CAS-BOT-BC422641
Meconella californica
W. R. Ernst
1958-3-27
215
Butte
Above the Butte Creek Bridge on the Honeyrun Road to Paradise (east of Chico).
152
Comment
SEINET12091625
Meconella californica
S. E. Bigbee
1984-1
37
Butte
Ca 50 yds S of Butte Creek and ca 350 yds W of Covered Bridge, 6.2 mi ESE of Chico
121
Comment
UC1601097
Meconella californica
Mrs. Austin
1883-1
47
Butte
hills W of Chico
Comment
SEINET12155164
Medicago hispida
P. L. Ricker
1912-1
3969
Butte
Chico
Comment
CHSC35693
Medicago polymorpha
J. D. Jokerst
1982-4-19
1532
Butte
Top of North Table Mountain, ca 1/4 mi N of Cherokee Rd at the mesa's E edge.
Comment
POM24523
Medicago polymorpha var. brevispina
C. C. Bruce
1897-05
1847
Butte
[No location information provided.]
Comment
CAS-BOT-BC271135
Melica aristata
E. B. Copeland
1932-7-19
s.n.
Butte
Jonesville, Butte Creek Canyon
1550
Comment
CHSC11978
Melica aristata
E. B. Copeland
1929-7-18
337
Butte
Jonesville.
1550
Comment
CHSC96877
Melica aristata
Lowell Ahart
2007-6-12
14066
Butte
North of the parking area at Big Bald Rock, about 14 miles (air) northeast of Oroville.
893
Comment
JEPS110337
Melica aristata
Lowell Ahart
2006-7-16
12966
Butte
East of the open mudflow area, about 50 yards south of Humboldt Road, about 1 1/2 miles (air) southwest of Butte Meadows
1435
Comment
CAS-BOT-BC269377
Melica californica
Lowell Ahart
1983-6-26
4108
Butte
Along Ponderosa Way, ca. 1/8 mi. E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 mi. NE of Oroville
500
Comment
JEPS117931
Melica californica var. nevadensis
L. P. Janeway
2008-4-2
9250
Butte
East edge of City of Chico Cascade Range Foothills (slope on north side of Humboldt Road 2.9 km northeast of Bruce Road)
167
Comment
CAS-BOT-BC282052
Melica fugax
Lowell Ahart
1980-8-2
2523
Butte
Humboldt Peak
2300
Comment
CHSC50390
Melica geyeri
Vernon Oswald
1990-6-1
4272
Butte
Butte Creek Trail, ca. 1.75 miles north-northwest of Lake De Sabla.
579
Comment
CHSC61543
Melica geyeri
Lowell Ahart
1993-6-26
7031
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CAS-BOT-BC281019
Melica stricta
Lowell Ahart
1981-8-15
3049
Butte
At base of cliffs near the dirt road from Coon Hollow to Poison Springs, ca 1 mile SE of Snow Mt, ca 15 miles NE of Inskip
2000
Comment
UC398888
Melica subulata
E. B. Copeland
1929-7-16
338
Butte
Jonesville
Comment
SEINET10599671
Melica torreyana
A. Arthur Heller
1902-5-8
Heller 5511
Butte
Berry Canon (near Clear Creek).
Comment
CHSC38475
Mentha canadensis
Vernon Oswald
1983-7-22
895
Butte
Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. Bed of Chico Creek.
85
Comment
CHSC94013
Mentha canadensis
R. Fischer
2004-6-12
685
Butte
Collected from Bidwell Park near the bottom of 10 Mile House Road, east side of Big Chico Creek, near north end of park property. Plants were growing at the edge of perennial meadow drainage.
219
Comment
JEPS124276
Mentha pulegium
Lowell Ahart
2015-11-18
20661
Butte
About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
Comment
RSA4233
Mentzelia dispersa
E. B. Copeland
1929-7-19
s.n.
Butte
Jonesville. Along Butte Creek.
473
Comment
UC398935
Mentzelia dispersa
E. B. Copeland
1929-7-19
385
Butte
along Butte Creek; Jonseville
1550
Comment
UC480655
Mertensia ciliata
H. F. Copeland
1920-7-11
79
Butte
beside Butte Creek Jonesville
Comment
CAS-BOT-BC428760
Micranthes californica
Mrs. C. C. Bruce
1897-3-1
2043
Butte
Chico Canon [Canyon]
Comment
CHSC101092
Micranthes integrifolia
Lowell Ahart; John Dittes
2009-3-20
15510
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
CHSC30372
Micranthes integrifolia
J. D. Jokerst
1979-3-5
1138
Butte
Top of North Table Mt., 300 m NW of the intersection of Cherokee Rd and the E edge of section 17.
Comment
CAS-BOT-BC429074
Micranthes odontoloma
E. B. Copeland
1931-7-20
s.n.
Butte
Vicinity of Jonesville, Lassen National Forest.
1500
Comment
CAS-BOT-BC429199
Micranthes oregana
E. B. Copeland
1929-7-20
369
Butte
Jonesville
1550
Comment
CAS-BOT-BC429204
Micranthes oregana
F. N. Bassett
1923-6-21
s.n.
Butte
Jonesville via Butte Meadows
Comment
CHSC23462
Micropus californicus var. californicus
J. R. Lee
1974-4-22
3
Butte
Found 25 yds n of Skyway roadside 6 miles e of the Chico city limits.
152
Comment
CHSC24697
Micropus californicus var. californicus
L. Casto
1976-4-28
20
Butte
50 yd s of Skyway, ca. 4 mi e of intersection of Hwy 99 and Skyway.
182
Comment
POM33622A
Microseris
C. C. Bruce
1897-05
1993
Butte
[No locality information provided]
Comment
POM33622B
Microseris
C. C. Bruce
1897-06
1951
Butte
Little Chico
Comment
CAS-BOT-BC348696
Microseris acuminata
Lowell Ahart
1978-5-1
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC348700
Microseris acuminata
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC109086
Microseris acuminata
Lowell Ahart
2012-4-20
17900
Butte
Area along an old trail, 20 feet east of South Rim Trail, south of Bloody Pin Trail, about 5/8 mile west of Highway 32, about 7 miles northeast of Chico, south part of Upper Bidwell Park.
243
Comment
SEINET3450909
Microseris acuminata
Unknown
2003-4-8
10037
Butte
Oroville, Oroville, about 7 air miles north, North Table Mountain, about 0.5 miles west of the iron gate and fence, northwest of Cherokee Road, about 200 yards north of the falls on Coon Hollow
320
Comment
CHSC40298
Microseris douglasii
Lowell Ahart
1985-4-29
4887
Butte
Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville.
50
Comment
CHSC31606
Microseris douglasii subsp. tenella
L. Ahart
1979-5-11
1866
Butte
Peter Ahart Ranch, Honcut. In fields.
50
Comment
RSA0095289
Microsteris gracilis
Michael A. Vincent, Ethan H. Freid
1998-4-6
8121
Butte
Table Mountain.
Comment
SEINET10969159
Microsteris gracilis
Mary Susan Taylor
1978-6-24
Taylor 1643
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
SEINET12326951
Mimulus angustatus
D. K. Aust
1981-1
18
Butte
Cohasset Ridge, ca 6 mi NW of Chico
482
Comment
POM43874
Mimulus aurantiacus var. grandiflorus
R. M. Austin
1880-5-17
s.n.
Butte
[Unspecified]
Comment
POM264771
Mimulus bicolor
Lincoln Constance
1941-5-28
2831
Butte
South Branch of the Feather River at Magalia, Sierra Nevada foothills.
488
Comment
JEPS121944
Mimulus breweri
Lowell Ahart
2014-7-7
19599
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
SEINET10570221
Mimulus douglasii
Mary Susan Taylor
1979-3-31
Taylor 1973
Butte
Junction of Pentz-Magalia Hwy and Pentz Road, ca. 1/4 mi W of Hwy 70, ca. 22 mi N of Oroville; Valley Grassland.
198
Comment
RSA712824
Mimulus floribundus
L. Ahart
2006-5-3
12563
Butte
About 100 yards south of the fence, about 1 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles north of Oroville.
378
Comment
CDA13896
Mimulus glaucescens
G. F. Hrusa, T. D. Wilfred
1997-5-8
13753
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CHSC118886
Mimulus glaucescens
Christopher T. Ivey
2017-5-27
385
Butte
Centerville Road, about 1 km NE of Honeyrun Bridge, on W side of road, growing in road cut.
128
Comment
RSA795591
Mimulus glaucescens
Christopher T. Ivey
2010-6-7
375
Butte
Honey Run Road, 3.5 km northeast of bridge crossing Butte Creek, in roadside ditch.
165
Comment
UC1778563
Mimulus glaucescens
S. E. Schoenig
1998-7-5
98 -76
Butte
Wet seep. E roadside of Hwy 32, ca. 1mi N of road to Butte Meadows. Vicinity of Lomo.
1097
Comment Read comments Aug 31 2012
JEPS104643
Mimulus guttatus
Lowell Ahart
2003-8-6
10477
Butte
On cliffs, along a small stream, on the south side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown.
497
Comment
UC886180
Mimulus guttatus
A. A. Heller
1917-7-26
12813
Butte
Butte Meadows
1280
Comment
RSA80134
Mimulus guttatus
F. W. Peirson
1926-6-21
6775
Butte
Butte Meadow, Humboldt Road.
Comment
SBBG50968
Mimulus guttatus
J. Doty
1969-3-31
615
Butte
E side of Cohasset Rd, ca. 8 mi N of Chico
Comment
POM181673
Mimulus kelloggii
Williams
1927-4-2
s.n.
Butte
Near Richardson's Springs.
Comment
UC660023
Mimulus layneae
Lincoln Constance
1941-5-28
2828
Butte
Magalia Sierra Nevada foothills, South Branch Feather River
487
Comment
UC454131
Mimulus moniliformis
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
RSA0116252
Mimulus moschatus
Lowell A. Ahart
2014-7-2
19538
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.
1260
Comment
UC1562310
Mimulus tilingii
Vernon Oswald and Lowell Ahart
1990-7-19
4376
Butte
ca 3 mi e Philbrook Reservoir (ca 0.4 mi w of Plumas Co. line, s side of creek); Philbrook Creek
1920
Comment
SEINET10570285
Mimulus torreyi
Mary Susan Taylor
1977-7-15
Taylor 1416
Butte
Humbug Rd, between Honey Run Covered Bridge and Paradise.
579
Comment
UC103708
Mimulus torreyi
D. Cleveland
1882-7-14
Butte
Sutton House
Comment
CAS-BOT-BC174593
Minuartia californica
A. A. Heller
1914-3-18
11208
Butte
Eight miles north of Oroville
Comment
UC203619
Minuartia californica
A. A. Heller
1914-3-18
11208
Butte
8 mi n Oroville
Comment
UCD98264
Minuartia californica
Michael A. Vincent; Ethan H. Freid
1998-4-6
8122
Butte
Table Mountain.
Comment
UCSB44145
Minuartia douglasii
1979-5-13
Butte
0.7 miles west on Lunt Road from Highway 70
Comment
CHSC26717
Mollugo verticillata
M. P. Hayes
1977-10-23
141
Butte
In Lindo Channel, about 180 m w of its intersection with Mangrove Avenue in Chico.
35
Comment
CHSC30744
Mollugo verticillata
M. S. Taylor
1980-7-6
3052
Butte
Ca. 1 mi e of Meridian Rd, ca. 1.25 mi ne of its jct with Hwy 99, ca. 8 mi n of Chico. In drainage of Rock Creek.
67
Comment
CHSC42118
Mollugo verticillata
Lowell Ahart
1986-11-14
5478
Butte
On the drying margins of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
JEPS120585
Mollugo verticillata
Lowell Ahart
2013-11-18
19271
Butte
Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton.
Comment
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
CAS-BOT-BC219949
Monardella breweri subsp. lanceolata
A. A. Heller
1914-7-24
11628
Butte
Near Forest Ranch
731
Comment
CHSC761
Monardella breweri subsp. lanceolata
V. Holt
1931-6-3
Butte
Forest Ranch.
548
Comment
UC726051
Monardella breweri subsp. lanceolata
A. A. Heller
1938-7-2
15244
Butte
About 2 miles west of Arch Rock Tunnel on the Feather River Highway
Comment
SEINET10836958
Monardella lanceolata
Lowell Ahart
1984-6-8
Ahart 4662
Butte
Along Ponderosa Way, ca. 1/8 mi W of Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
UC525857
Monardella odoratissima subsp. pallida
H. F. Copeland
1932-8-22
Butte
woods above Kirby's Meadow; Jonesville
1800
Comment
JEPS107530
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
UCR280840
Monardella sheltonii
Lowell Ahart
2016-6-29
21051 A
Butte
north side of Lumpkin Road, c. 100 yards north of McCabe Creek, c. 3 air miles west of Forbestown
388
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
RSA724908
Monardella villosa subsp. sheltonii
L. P. Janeway
2007-6-26
9075
Butte
Plumas National Forest; along Road 28 along the southern end of Swayne Hill; about 1.7 air KM northeast of the confluence of French Creek at the North Fork Feather River arm of Lake Oroville.
750
Comment
RSA712788
Monardella villosa subsp. sheltonii
L. P. Janeway
1994-6-23
4672
Butte
Pinkston Canyon Road about 400 feet east of Concow Road.
564
Comment
SD243241
Monochoria vaginalis
J. R. Keck, T. C. Fuller
1976-10-4
20166
Butte
Rice Experiment Station, 3 miles north of Biggs, Butte Co.
Comment
UC1564781
Monolepis nuttalliana
V. Oswald and L. Ahart
1989-6-27
3833
Butte
ca. 3.3 mi. (air) s.e. Jonesville (Humbug Rd. at Butte Creek House, along Butte Creek); Butte Creek
1767
Comment
CHSC29390
Montia chamissoi
Robert Schlising; R. Banchero
1980-6-2
3630
Butte
0.1 mi s of jct Humboldt Road and Skyway/Humbug Rd at Butte Meadows.
1341
Comment
POM101957
Montia clara
C. C. Bruce
1897-06
2013
Butte
Fields
Comment
CHSC23717
Montia parvifolia
M. S. Taylor
1976-5-5
1114
Butte
Abundant along creek, ca. 5 ft s of Hwy 70, ca. 20 mi ne of Oroville.
Comment
CHSC109094
Morus alba
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17860
Butte
On the south side of Big Chico Creek, east of the Deer Pen, south of Tables 11 , Lower Bidwell Park, Chico.
65
Comment
RSA500430
Muhlenbergia andina
Vernon H. Oswald, L. Ahart
1989-8-15
3937
Butte
Soda Ridge Road, 1.4 miles west of its junction with Coon Hollow Road, ca. 1.2 miles (air) north of Philbrook Reservoir.
1753
Comment
SEINET10605678
Muhlenbergia andina
Vernon H. Oswald, Lowell Ahart
1989-8-15
Oswald 3937
Butte
Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. Locally abundant in moist soil on the edge of a shallow, marshy, spring-fed lake n of and visible from the road. T25N R5E se/S6, Red Fir Forest.
1753
Comment
CHSC42438
Muhlenbergia asperifolia
Lowell Ahart
1987-5-27
5708
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
SEINET10508181
Muhlenbergia filiformis
Lowell Ahart
1983-8-16
Ahart 4305
Butte
T26N R4E section 32. Near Bull Hill Road, ca. 3 miles south of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
CDA30213
Muhlenbergia mexicana
L. Ahart
2009-7-9
16023
Butte
On the east edge of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CAS-BOT-BC275161
Muhlenbergia richardsonis
Lowell Ahart
1981-8-15
3040
Butte
Snag Lake, about 3 miles S of Jonesville
1524
Comment
CDA5602
Myosotis discolor
Vernon H. Oswald & Lowell Ahart
1998-6-11
9211
Butte
Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi. north of Macdoel.
Comment
CHSC61920
Myriophyllum aquaticum
Lowell Ahart
1993-10-31
7271
Butte
Pond, on the north side of Grubbs Road, about 4 miles east of Palermo.
152
Comment
CHSC44208
Myriophyllum hippuroides
Vernon Oswald
1988-7-4
3550
Butte
Rancho Llano Seco. 7-Mile Lane 0.7 mi n of Nelsoon West Rd. Marshy slough.
30
Comment
CHSC112729
Myriophyllum spicatum
Lowell Ahart
2013-10-16
19113
Butte
Thermalito Afterbay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 miles (air) north of East Biggs.
49
Comment
CHSC48459
Myriophyllum spicatum
V. Oswald
1988-6-8
3362
Butte
Fernandez Grant. East border of the large pond in the Oroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave.
32
Comment
UC1586518
Najas graminea
Lowell Ahart
1991-9-14
6723
Butte
About 2 miles east of Honcut, Joie Osgood Ranch.
45
Comment
RSA4126
Nama lobbii
E. B. Copeland
1930-6-27
s.n.
Butte
Jonesville.
1600
Comment
CHSC45040
Navarretia capillaris
Lowell Ahart
1988-9-4
6183
Butte
On the bottom and sides of Big Kimshew Creek, the creek crosses a large meadow, about 1 air mile north-east of Jones Meadow.
1920
Comment
CHSC102842
Navarretia filicaulis
Lowell Ahart
2009-6-30
15967
Butte
Along the Guardian Rock Trail, about 1/4 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico.
398
Comment
CHSC36819
Navarretia filicaulis
D. H. Ikeda
1980-5-31
391
Butte
Cohasset Ridge s of Cohasset.
426
Comment
CHSC38599
Navarretia filicaulis
Vernon Oswald
1983-6-5
635
Butte
Upper Bidwell Park, Chico, on the North Rim Trail ca. 800 ft w of its eastern terminus.
414
Comment
JEPS120030
Navarretia filicaulis
Lowell Ahart
2012-6-9
18180
Butte
On the north side of Guardian Trail, about 50 yards southwest of Ten Mile House Road, about 1/8 mile west of Highway 32, Upper Bidwell Park, about 9 miles northeast of Chico.
Comment
UC133843
Navarretia filicaulis
Mrs. R. M. Austin
1883-1
Butte
Comment
CHSC84029
Navarretia heterandra
Lowell Ahart
2003-6-18
10290
Butte
About 150 yards west of the dredge piles along North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
60
Comment
POM74491
Navarretia intertexta
Edward Palmer
1892-6-7
2080
Butte
Near Chico.
Comment
UC856827
Navarretia intertexta
A. A. Heller
1914-5-11
11386
Butte
8 mi n Oroville
Comment
RSA4130
Navarretia leptalea
E. B. Copeland
1930-6-28
444
Butte
Jonesville.
1650
Comment
UCD106178
Navarretia leptalea
E. B. Copeland
1928-8-18
s.n.
Butte
Jonesville.
1524
Comment
CHSC1296
Navarretia leucocephala
P. Delaplane
1965-3-23
78
Butte
H. Wurlitzer Ranch ca 13 mi. NW of Chico, W of Hwy 99E North.
60
Comment
CHSC59336
Navarretia leucocephala
J. L. Guardino
1992-4-21
24
Butte
On Cana Pine Creek Rd., 0.5 mi sw of Hwy 99. Near vernal pool.
60
Comment
CAS-BOT-BC230477
Navarretia nigelliformis var. nigelliformis
Beecher Crampton
1966-6-27
7768
Butte
Ca. 13 miles NW central Chico (in direct line), Roney Ranch
Comment
SEINET10496832
Navarretia propinqua
Mary Susan Taylor
1978-9-9
Taylor 1917
Butte
Along Bull Run Road, ca. 10-11 mi S of Butte Meadows in northern portion of the county; Yellow Pine Forest.
1463
Comment
UCD169102
Navarretia prostrata
Ramona Robison
2013-4-15
23
Butte
Clay Pit State Vehicular Recreation Area. In disturbed vernal pool located in main riding area.
41
Comment
SEINET10869735
Navarretia squarrosa
Mary Susan Taylor
1978-5-7
Taylor 1593
Butte
In Valley Grassland, on E side of Williams Road, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico.
30
Comment
CHSC1299
Navarretia tagetina
V. Holt
1942-5-16
Butte
Chico Creek.
121
Comment
CHSC91115
Navarretia tagetina
Lowell Ahart
2005-5-27
11813
Butte
Pasture field, about 50 yards northeast of the tower, Peter Ahart Ranch, about 2 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
UCD48660
Navarretia tagetina
M. Vincent
1963-6-5
381
Butte
Pentz road 5 miles south of Paradise. Roadside.
Comment
CHSC69483
Navarretia viscidula
James D. Jokerst
1992-5-19
3365
Butte
Cascade Range Foothills. Stone Ridge Ranch Development Site E of Cohasset Rd. at Chico Municipal. On terrace at powerlines on S side of Sheep Hollow.
97
Comment
CHSC39329
Navarretia viscidula subsp. purpurea
Lowell Ahart
1983-6-26
4133
Butte
Found along the edge of Ponderosa Way, about 1/2 mile west of the East Fork of Canyon Creek, about 14 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
500
Comment
SFV11719
Nemacladus interior
M. L. Vincent
1968-6-10
843
Butte
Sierra Nevada 1/5 mile north of Cresta Power Station, North Fork Feather River.
460
Comment
UC102223
Nemacladus interior
Elisha Brooks
Butte
Enterprise; ; Enterprise, Butte Co.
Comment
CHSC90479
Nemophila heterophylla
Lowell Ahart; Paul Maslin, John Dittes
2005-3-17
11679
Butte
Big Chico Creek Ecological Reserve. On the west side of Chico Canyon Road, about 1 mile (air) west of Highway 32, about 7 miles (air) northeast of Chico.
236
Comment
UC880891
Nemophila heterophylla
A. A. Heller
1917-4-1
12671
Butte
one mi above Centerville (along Butte Creek); , above Centerville
Comment
RSA3796
Nemophila heterophylla
A. A. Heller
1926-3-24
13912
Butte
Along Chico Creek about six miles east of Chico.
Comment
UCD120060
Nemophila heterophylla
M. Vincent
1964-4-8
504
Butte
Hwy. 40. 1 mile northeast of new bridge.
Comment
UC196340
Nemophila menziesii
A. A. Heller
1914-2-16
11179
Butte
8 mi n Oroville; n of Oroville
Comment
CHSC50550
Nemophila parviflora var. austiniae
Vernon Oswald
1990-7-3
4345
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
CHSC34813
Nemophila spatulata
M. S. Taylor
1981-5-22
3794
Butte
Both sides of Flea Mt Rd, ca. 1/4 air mi e of Flea Mt., ca. 5 air mi e of Magalia. In Montane Meadow.
1219
Comment
CDA953
Nerium oleander
D. G. Kelch
2006-8-2
6 .352
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
CHSC32130
Nicotiana acuminata var. multiflora
L. Ahart
1978-7-15
1783
Butte
Near the garden; Peter Ahart Ranch, Honcut.
50
Comment
CAS-BOT-BC231529
Nicotiana glauca
Lowell Ahart
1981-7-18
2942
Butte
Burrow area 4.5 miles southwest of Oroville
35
Comment
RSA0006688
Nuphar lutea subsp. polysepala
E. B. Copeland
1930-6-29
415
Butte
Jonesville.
1700
Comment
CAS-BOT-BC400068
Nuphar polysepala
E. B. Copeland
1929-7-29
s.n.
Butte
Jonesville, near Butte Creek House
1750
Comment
CHSC40407
Odontostomum hartwegii
Lowell Ahart
1985-5-15
4980
Butte
West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
502
Comment
CAS-BOT-BC349983
Oreostemma alpigenum var. andersonii
E. B. Copeland
1930-7-26
s.n.
Butte
Jonesville
1550
Comment
CHSC116375
Oreostemma elatum
Sara M. Taylor; Scott Batiuk
2012-7-31
52
Butte
Plumas National Forest. Drosera Pond. From Quincy, head west on Hwy 89, right/north on Hwy 422 toward Smith Lake, left/west on 25N20. Continue west on 25N57, left/west on 25N59. UTM Zone 10, 4428806 N, 660224 E.
1610
Comment
RSA0081021
Orobanche fasciculata
C. C. Bruce
1897-06
1912
Butte
Unspecified.
Comment
CHSC20106
Orobanche vallicola
M. S. Taylor
1974-11-11
330
Butte
Ca. 1/4 mi n of washout on Sacramento River, ca. 4 ft w of River Rd, ca. 10 mi w of Chico.
Comment
CAS-BOT-BC457669
Orthilia secunda
E. B. Copeland
1930-8-7
434
Butte
Jonesville
1500
Comment
SEINET12326947
Orthocarpus attenuatus
S. C. Joslin
1978-1
6
Butte
ca 5 mi E of Chico on Humbug Rd ca 0.75 mi W of intersection with Hwy 32
244
Comment
SEINET10549670
Orthocarpus erianthus
Mary Susan Taylor
1980-3-1
Taylor 2325
Butte
T21N R2E se 1/4 sec 15 and ne 1/4 sec 22. Hamlin Canyon quad. West end of Chico City Dump, on N side of Neal Rd, ca. 1 mi E of Hwy 99, ca. 7 mi S of Chico.
76
Comment
SEINET12328377
Orthocarpus lacerus
M. S. Taylor, Oswald, V.
1984-1
5393
Butte
S side of Humbug Rd, ca 2 mi SW of Nimshew, ca 12 air mi NE of Chico
Comment
POM125853
Oryza sativa
Donahoe
1923-10
s.n.
Butte
Llano Seco Ranch, Chico.
Comment
SEINET10454516
Osmorhiza chilensis
Mary Susan Taylor
1978-7-19
Taylor 1733
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CDA1627
Ottelia alismoides
G. D. Barbe, T. C. Fuller
1977-9-2
2334
Butte
Drainage canal west of Biggs Rice Experiment Station, east of Cherokee Canal, approximately 0.5 km south of Highway 162.
0
Comment
RSA289967
Ottelia alismoides
C. E. Turner
1977-9-8
541
Butte
Lattemore portion of California Rice Experiment Station, between Biggs and Richvale.
Comment
JEPS43151
Oxalis corniculata
Mrs. R. M. Austin
May 1896
204
Butte
e Chico (Butte Creek)
Comment
CHSC9144
Oxalis rubra
L. W. Gray
1970-5-1
28
Butte
Collected at 710 W. 3rd street on lawn in front of house, Chico.
Comment
SEINET10837347
Oxalis rubra
Mary Susan Taylor
Taylor 808
Butte
Weedy or cultivated plants of Chico.
61
Comment
CAS-BOT-BC316892
Packera eurycephala var. lewisrosei
John Thomas Howell
1951-6-26
27523
Butte
near Pulga
365
Comment
JEPS26675
Packera eurycephala var. lewisrosei
P. C. Hutchison
1961-6-9
2097
Butte
1.0 mi s (above) Pulga Bridge (on highway U.S. Alt. 40, canyon of the North Fork of the Feather River); North Fork of the Feather River
Comment
JEPS34386
Packera eurycephala var. lewisrosei
Rimo Bacigalupi, and P. C. Hutchison, J. K. Wright
1963-6-1
8862
Butte
0.75 mi s Pulga (above side road off U.S. Hwy 40, in canyon of the N Fk Feather River, at n base of grade over Jarbo Gap, and just before bridge across Feather River); North Fork of Feather River, Jarbo Gap
426
Comment
UC600480
Paeonia brownii
H. F. Copeland
1920-5-22
205
Butte
Jonesville
Comment
CHSC28619
Panicum acuminatum
M. S. Taylor
1979-10-3
2218
Butte
In Butte Creek Canyon, ca. 1/4 mi upstream from bridge crossing Butte Creek at Helltown Rd, ca. 15 mi e of Chico.
243
Comment
RSA724880
Panicum acuminatum var. acuminatum
L. Ahart
2006-9-11
13307
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
CHSC83103
Panicum capillare
Lowell Ahart
1983-7-29
4239
Butte
Along the edge of the dirt road, about 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville.
500
Comment
RSA726556
Panicum capillare
L. Ahart
2007-10-31
14513
Butte
Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville.
225
Comment
UCD89512
Panicum capillare
A. A. Heller
1916-9-30
12665
Butte
8 miles north of Oroville.
Comment
CHSC51293
Panicum dichotomiflorum subsp. dichotomiflorum
Lowell Ahart
1990-9-30
6600
Butte
Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville.
228
Comment
CHSC94761
Panicum dichotomiflorum subsp. dichotomiflorum
Lowell Ahart
2006-9-11
13308
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
JEPS110514
Panicum dichotomiflorum subsp. dichotomiflorum
Lowell Ahart
2006-10-13
13505
Butte
Peter Ahart Ranch, about 1 1/2 mile north and 1 1/8 miles east of Honcut, about 12 miles southeast of Oroville
33
Comment
JEPS98592
Parentucellia viscosa
Lowell Ahart
2000-5-23
8385
Butte
13 air miles SE of Oroville (NE of the pond, 1/8 mi N of La Porte Road, 1/2 mi SE of Honcut Cemetery, 4 mi NE of Honcut)
54
Comment
UCD77900
Parentucellia viscosa
Robert E. Preston
2003-5-11
2131
Butte
ca. 2.25 mi W of Pentz, along Pentz Rd, ca. 0.5 mi E of Clark Rd.
97
Comment
CDA6399
Parentucellia viscosa
L. Ahart
2000-5-23
8385
Butte
Northeast of the pond, about 1/8 mile north of La Porte Road, about 1/2 mile southeast of the Honcut Cemetery, about 4 miles northeast of Honcut, about 13 miles (air) southeast of Oroville.
Comment
CAS-BOT-BC259622
Paspalum dilatatum
Lowell Ahart
1982-10-15
3895
Butte
Along the edges of N Honcut Creek, ca. 1 mile N and 2.75 miles E of Honcut
50
Comment
JEPS106506
Paspalum dilatatum
L. P. Janeway
2004-6-20
8138
Butte
Sacramento Valley. South end of Chico; along edge of Comanche Creek at the bicycle bridge (former railroad bridge) about 150 m southeast (upstream) of the Midway (road) bridge across the creek
59
Comment
RSA754385
Paspalum dilatatum
L. Ahart
2009-7-3
15993
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
CDA42963
Paspalum urvillei
L. Ahart
2013-7-1
18822
Butte
On the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown.
Comment
SEINET10836216
Paspalum urvillei
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4049
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
CHSC43858
Pectocarya pusilla
Vernon Oswald
1988-3-14
3255
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along a drainage.
54
Comment
SEINET12331911
Pectocarya pusilla
Unknown
1985-1
4960
Butte
0.5 mi E of Potter Ravine, S of E branch of Potter Ravine, about 2.5 mi NE of Oroville Dam
350
Comment
CHSC94245
Pedicularis attollens
Lowell Ahart
2006-7-16
12979
Butte
In the west edge of a wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 miles (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
UC600441
Pedicularis attollens
H. F. Copeland
1930-7-24
1329
Butte
Jonesville
1524
Comment
CHSC64225
Pedicularis densiflora
Robert C. Hill
1990-4-12
21
Butte
100 ft. s of Feather Falls, 25 mi ne of Oroville.
914
Comment
UCD123334
Pedicularis densiflora
M. Vincent
1961-3-20
9
Butte
Harrison Road and Stern; Paradise, California.
609
Comment
JEPS104423
Pedicularis racemosa
Lowell Ahart
2003-8-26
10543
Butte
On the w side of the dirt road, w of where Pinkard Creek flows into the Lost Creek Reservoir, ca 3/8 mi n of the Lost Creek Reservoir Dam, 1 1/8 mi (air) sw of the Sly Creek Reservoir Dam.
996
Comment
JEPS116138
Pellaea andromedifolia
Lowell Ahart
2009-5-30
15781
Butte
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
269
Comment
SEINET10529790
Pellaea andromedifolia
Mary Susan Taylor
1981-1-5
Taylor 3370
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
CAS-BOT-BC69331
Pellaea brachyptera
Lowell Ahart
1985-6-17
5053
Butte
Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls
701
Comment
CHSC44615
Pellaea brachyptera
Vernon Oswald
1984-7-2
1344
Butte
2.5 mi s-e of the junction of 26N27 and Humboldt Rd. n-e of Jonesville.
1767
Comment
CHSC32734
Pellaea mucronata
M. S. Taylor
1981-4-8
3482
Butte
E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds jct, ca. 3 air mi s of Jarbo Gap on Hwy 70.
426
Comment
CHSC40635
Pellaea mucronata
Ahart; Jokerst
1985-3-24
4855
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
SEINET10470234
Pellaea mucronata
Lowell Ahart
1985-6-17
Ahart 5055
Butte
Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
Comment
SEINET10529806
Pellaea mucronata
Mary Susan Taylor
1980-3-19
Taylor 2391
Butte
T19N R6E sw sec 8. Macabes Creek Canyon ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Road, ca. 18 mi NE of Oroville. Cool, wet Ripar ian Woodland.
396
Comment
SEINET10547625
Penstemon azureus subsp. azureus
Mary Susan Taylor
1981-5-21
Taylor 3774
Butte
T22N R4E nw/nw sec l and ne/ne sec 2, Pulga SW quad. S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 20 air mi N of Oroville. In reddish weathered serpentine; 2800 ft.
853
Comment
NY571127
Penstemon azureus var. angustissimus
A. A. Heller
1915-4-20
11854
Butte
Chico-Centerville road, 3 miles from Chico at the lower limit of the digger pine belt
Comment
CHSC93445
Penstemon azureus var. azureus
Lowell Ahart
2006-5-10
12618
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga.
354
Comment
UC1012163
Penstemon azureus var. azureus
F. W. Pennell and A. A. Heller
1940-6-5
25683
Butte
Route 24 above Oroville (along Feather River); Lassen Nat. Forest, along Feather River
548
Comment
SEINET10547997
Penstemon heterophyllus subsp. purdyi
Lowell Ahart
1984-6-8
Ahart 4679
Butte
Along the dirt road near the water tower, above the generator, ca. 1 mi E of Ponderosa Dam, ca. 2 mi N of Forbestown; Yellow Pine Forest; 475 m.
475
Comment
NY601733
Penstemon heterophyllus var. purdyi
L. Ahart
1980-6-19
2391
Butte
Along Swedes Flat Road, near Bangor.
320
Comment
SBBG27142
Penstemon laetus
D. D. Keck
1930-7-25
981
Butte
4 mi W of Forbestown
762
Comment
SEINET10548024
Penstemon laetus
Mary Susan Taylor
1980-6-14
Taylor 2878
Butte
T21N R5E ne sec 25. Big Bend quad. On N sid eof Zink Road, near entrance to Zink Ranch, ca. 2 mi E of Lake Madrone; Yellow Pine Forest.
762
Comment
NY604463
Penstemon laetus var. laetus
L. Ahart
1987-5-22
5672
Butte
About 1/8 mile southeast of Lumpkin Ridge Road, about 1.5 miles east of Camp 18, about 8 miles northeast of Feather Falls
1280.2
Comment
JEPS6628
Penstemon laetus var. leptosepalus
A. A. Heller
1938-5-28
15123
Butte
along the Feather River Highway 25 mi from Oroville; along the Feather River Highway 25 mi from Oroville
Comment
SEINET10548066
Penstemon neotericus
Mary Susan Taylor
1978-7-21
Taylor 1800
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
CAS-BOT-BC245682
Penstemon newberryi var. newberryi
E. B. Copeland
1930-7-6
458
Butte
Above Jonesville
1900
Comment
CHSC115451
Pentagramma pallida
M. Sutton; C. Yasuda
2013-3-10
13
Butte
Feather Falls Trail.
1069
Comment
CHSC3295
Pentagramma triangularis
M. L. Hillier
1966-3-7
Butte
100 to 300 yds s of covered bridge over Butte Creek.
Comment
CHSC30015
Pentagramma triangularis subsp. semipallida
L. Ahart
1980-5-11
2243
Butte
About 1/4 mi s of Kunkle Reservoir, ca. 3 mi se of Paradise.
500
Comment
CHSC30083
Pentagramma triangularis subsp. semipallida
M. S. Taylor; J. D. Jokerst, L. Ahart, R. Schlising
1980-7-20
3190
Butte
Big Bald Rock, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC33902
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-5-15
3741
Butte
Both sides of rd 22N92 between its junction with 23N00.1 and West Branch French Creek, ca. 1.5 air mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70.
929
Comment
CHSC101286
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2009-4-17
15555
Butte
On the south slope of a ridge, about 300 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
351
Comment
RSA769682
Pentagramma triangularis subsp. triangularis
L. Ahart
2009-4-22
15564
Butte
South side of Guardians Trail, about 50 yards west of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
382
Comment
CHSC109766
Persicaria hydropiper
Lowell Ahart
2012-10-28
18522
Butte
About 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CAS-BOT-BC418859
Persicaria hydropiperoides
Lowell Ahart
1982-10-6
3847
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut
50
Comment
CHSC26647
Persicaria maculosa
M. S. Taylor
1977-11-10
1513
Butte
In dry irrigation ditch on s side of Crauch Rd, ca. 300 ft w of its jct with Lone Pine Ave., ca. 4 mi s of Chico.
30
Comment
CHSC94487
Persicaria maculosa
Lowell Ahart
2006-8-29
13236
Butte
In the field north of the canal and Parking Lot 16, west of the gravel road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area).
19
Comment
CHSC108124
Persicaria punctata
Lowell Ahart
2011-10-29
17724 -A
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
CHSC89487
Persicaria punctata
R. D. Fischer
2004-8-22
439
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located approx. .75 mile down 10 Mile House Road from Hwy 32. On edge of pond at ex-old cabin site.
248
Comment
CHSC44386
Petrorhagia dubia
Lowell Ahart
1988-5-30
6026
Butte
Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
SFV1248
Petrorhagia dubia
M. L. Vincent
1962-4-17
201
Butte
Sierra Nevada At Pentz and Nelson Bar Roads. 5 miles south of Paradise.
330
Comment
RSA32014
Phacelia corymbosa
A. A. Heller
1938-5-28
15118
Butte
On the Feather River Highway, 23 miles from Oroville.
Comment
CHSC39112
Phacelia egena
B. Castro
1982-4-9
13
Butte
Rare, on steep e-facing hillside on w side of Pentz-Magalia Hwy, ca 12 mi ne of Oroville.
256
Comment
CHSC52403
Phacelia egena
R. Smallwood
1969-4-25
19
Butte
Butte Cr Cyn; Honey Run Rd at the Covered Bridge; 15 yds NW of old bridge.
137
Comment
SD4079
Phacelia racemosa
E. B. Copeland
11-13 Jul 1931
Butte
Jonesville, on bare stony ridge between Jones and North Willow Creeks.
1700
Comment
POM73731
Phacelia ramosissima var. ramosissima
C. C. Bruce
1897-06
1981
Butte
Big Chico
Comment
CHSC6109
Phalaris caroliniana
A. R. Jaegel
1968-4-19
143
Butte
2 mi s of Cherokee in field (3/4 mi w of 1st gate at top of Table Mountain, gate about 1 mi from Oregon City cutoff on Cherokee Rd.).
Comment
CDA34212
Phalaris paradoxa
L. Ahart
2010-6-12
16808
Butte
At the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, and about 9 miles (air) northeast of Chico.
Comment
CHSC6142
Phalaris paradoxa
E. Parreno
1968-4-26
73
Butte
Roadside of Humboldt Ave. leading to Stilson Canyon just a little beyond Chico Meat Co. Abbattoir., Chico.
59
Comment
UC204880
Phalaris paradoxa
A. A. Heller
1914-5-13
11391
Butte
near Nelson
Comment
CAS-BOT-BC77375
Philadelphus lewisii
Mrs. J. H. Morrison
1932-6-12
s.n.
Butte
Mountains above Durham
Comment
CHSC101119
Philadelphus lewisii
Lowell Ahart
2009-5-23
15723
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
311
Comment
CHSC3201
Philadelphus lewisii
Gerry Carrauthers
1966-4-18
113
Butte
City of Chico at East Fifth and Olive Streets.
Comment
CAS-BOT-BC250865
Phleum pratense
M. S. Taylor
1978-7-18
1720
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
CHSC87951
Phleum pratense
Lowell Ahart
2004-6-22
11124
Butte
On the north side of Hupp Coutolenc Road, about 1/2 mile north of Paradise Lake, about 1/2 mile northeast of De Sabla Reservoir, about 4 miles (air) southwest of Stirling City.
821
Comment
CHSC1305
Phlox speciosa subsp. occidentalis
T. Morgue
1932-4-18
Butte
Concow Reservoir.
579
Comment
SEINET12230295
Phoradendron juniperinum
M. S. Taylor
1976-1
997
Butte
abundant in Yellow Pine Forest, 2 mi N of Cohasset, 10 ft E of Cohasset Hwy
762
Comment
HSC72947
Phoradendron serotinum subsp. tomentosum
M. S. Taylor
1981-1-5
3373
Butte
100 ft. E of Pentz-Magalia Hwy., 1 mi. S of Kunkle Reservoir, 3 mi. S of Paradise
412
Comment
CHSC38543
Phoradendron villosum
Vernon Oswald
1982-11-13
13
Butte
Bidwell Park, Chico. North Rim Trail, ca. 1.5 mi e of the power lines.
365
Comment
JEPS115277
Phoradendron villosum
Lowell Ahart
2009-6-30
15959
Butte
West of the Guardian Rock Trail, about 100 yards north of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico
398
Comment
CHSC27269
Photinia serratifolia
P. Moyer
1971-10-1
26
Butte
CSUC Campus. Bidwell Mansion front lawn.
60
Comment
CHSC113119
Physalis lancifolia
Lowell Ahart
2013-11-18
19285
Butte
Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton.
261
Comment
RSA325148
Physocarpus capitatus
M. S. Taylor, L. Hanson
1981-5-17
3805
Butte
Along creek, Phillips property, 685 Wagstaff, Paradise.
579
Comment
UCD113671
Physocarpus capitatus
L. Ahart
1982-6-1
3526
Butte
ca. 1/2 mi sw of jct of Black Bart Rd and Forbestown Rd, w of Forbestown.
750
Comment
JEPS115126
Phytolacca americana
Lowell Ahart, John Dittes, Josephine Guardino
2008-11-8
15435
Butte
On the south side of the gravel road and Big Chico Creek, about 30 yards east of the end of Chico Canyon Road, Upper Bidwell Park, Chico
68
Comment
RSA746978
Phytolacca americana
George K. Helmkamp, E. A. Helmkamp
2007-10-7
13075
Butte
Biggs East Hwy, 1.6 miles east of CA-99 at Biggs.
32
Comment
CAS-BOT-BC202264
Pickeringia montana var. montana
Lowell Ahart
1989-5-29
6304
Butte
Along Robinson Mill Road, about 1 1/2 miles south of Forbestown Road
670
Comment
UC1562400
Pilularia americana
Lowell Ahart
1990-4-23
6465
Butte
ca. 1 mi s Oroville Airport (ca. 1/2 mi e of Larkin Rd.)
45
Comment
CAS-BOT-BC78286
Pinus attenuata
Lowell Ahart
1987-5-11
5611
Butte
along Lumpkin Road, about 1.5 miles north-east of Forbestown Road
426
Comment
CAS-BOT-BC78450
Pinus contorta subsp. murrayana
John H. Thomas
1974-11-3
17660
Butte
Between Stirling City and Butte Meadows, north of Chico. 4.9 miles from Butte Meadows as measured along the road
1524
Comment
UC813281
Pinus monticola
E. B. Copeland
1929-7-17
331
Butte
above Jonesville (summit ridges and n slopes)
2000
Comment
JEPS105663
Piperia elongata
L. P. Janeway, Christine Hantelman
2003-6-19
7852
Butte
Northern Sierra Nevada Foothills. Along south edge of Middle Fork Feather River arm of Lake Oroville, half way between mouth of South Fork Feather River arm of the lake and mouth of Bean Creek
277
Comment
UC1586560
Piperia elongata
Lowell Ahart
1991-5-31
6657
Butte
sw of Oroville Dam (along the Dan Beebe Trail, between Canyon Drive and Oroville Dam Blvd East); Lake Oroville Recreation Area
213
Comment
CHSC61359
Piperia transversa
Lowell Ahart
1993-7-22
7070
Butte
On the east side of the dirt road, about 1/4 mile north-west of Camp 18, about 5 (air) miles north-east of Feather Falls.
1219
Comment
CHSC110980
Pistacia atlantica
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-6-21
18202 A
Butte
About 50 yards south of the dam at Sycamore Pool, Lower Bidwell Park, Chico.
62
Comment
SEINET10529960
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1980-10-6
Taylor 3352
Butte
T23N R5E se sec 15, Pulga quad. S side of Hwy 70, ca. 0.4 mi W of Bear Creek jct with N Fork Feather River, ca. 0.5 mi W of Arch Rock Tunnel Rest Stop, near Butte-Plumas county line; granitic soils.
488
Comment
POM287609
Plagiobothrys
Lyman Benson
1935-3-27
6356
Butte
U.S. 99E, Gridley.
30
Comment
CHSC28982
Plagiobothrys glyptocarpus
R. A. Schlising
1980-3-23
3519
Butte
E of Chico and SW of Paradise.
289
Comment
UC196289
Plagiobothrys glyptocarpus
A. A. Heller
1914-3-16
11202
Butte
low hills 8 mi n Oroville
Comment
SEINET10497373
Plagiobothrys glyptocarpus
Lowell Ahart
1984-5-7
Ahart 4590
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
SEINET10837185
Plagiobothrys glyptocarpus
Mary Susan Taylor
1984-4-6
Taylor 5408
Butte
T22N R4E nw sec 3l. Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
CHSC82259
Plagiobothrys greenei
Lowell Ahart
2002-4-24
9526
Butte
Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville.
35
Comment
UC480677
Plagiobothrys greenei
H. F. Copeland
1930-4-12
Butte
near Biggs
Comment
UCD72999
Plagiobothrys greenei
Ayzik Solomeshch
2003-4-9
s. n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road.
Comment
SEINET12249493
Plagiobothrys scriptus
Unknown
1983-1
3918
Butte
about 1 mi NE of Hwy 99 & Pentz Rd
65
Comment
CHSC46770
Plagiobothrys shastensis
Lowell Ahart
1980-4-30
2126
Butte
About 1 mile east of the Bangor Oroville Highway along Swedes Flat Road.
295
Comment
CHSC52004
Plagiobothrys stipitatus var. micranthus
R. A. Schlising
1979-4-9
3357
Butte
E of Chico, at roadside of dirt road formerly named Bruce Road, just north of Skyway.
76
Comment
CHSC78129
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2000-6-6
8451
Butte
On the sides of an old gold mining pit, southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam.
304
Comment
CHSC87206
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2004-4-10
10730
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
JEPS107765
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2005-5-11
11807
Butte
Bottom of a vernal pool, south of a small stream, open pasture field, about 1 mile south of Beatson Hollow, about 1 1/2 miles southwest of the poor dirt road off of Cherokee Road, south part of North Table Mountain, about 7 miles (air) north of Oroville
280
Comment
JEPS119686
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2012-5-2
17960
Butte
About 20 yards west of the Horseshoe Lake Dam, Upper Bidwell Park, about 1 1/4 miles east of Chico.
Comment
SBBG128017
Plagiobothrys stipitatus var. micranthus
L. Ahart
2010-5-14
16653
Butte
W side of the old Humboldt Rd, Disc Golf Area, ca. 150 yards N of the entrance to the Disc Golf Area, ca. 40 yards W of Hwy 32, upper Bidwell Park, ca. 5 mi (air) NE of Chico
395
Comment
SEINET12765222
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2000-5-18
8373
Butte
On the bottom of the Clay Pit, east of the Cottonwood trees, about 1/8 mile west of the Oroville Airport and Larkin Road, about 4 1/2 miles (air) southwest of Oroville.; 0
37
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
UCD121010
Plagiobothrys stipitatus var. micranthus
W. R. Powell
1968-4-23
1470
Butte
2 miles south-southeast of Oroville.
71
Comment
UC179493
Plagiobothrys tenellus
A. A. Heller
1914-5-8
11373
Butte
Clear Creek-Paradise grade
Comment
CHSC46081
Planodes virginica
Lowell Ahart
1989-3-20
6192
Butte
In a prune orchard, west of the intersection of Highway 70 and Lower Honcut Road, about 3 miles west of Honcut, about 13 miles south of Oroville.
30
Comment
CHSC90948
Planodes virginica
Lowell Ahart
2005-4-14
11712
Butte
Bottom of a deep drain ditch, east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
CAS-BOT-BC60822
Planodes virginica
Lowell Ahart
1985-4-1
4871
Butte
Along Wyandotte Creek and Central House Road, northwest of Honcut, about 12 miles south of Oroville.
35
Comment
CHSC65402
Plantago
Vernon Oswald
1983-6-29
795
Butte
Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole. Growing along edge of Chico Creek.
204
Comment
CHSC31781
Plantago coronopus
L. Ahart
1971-4-21
74
Butte
Peter Ahart Ranch, Honcut. Along roads.
45
Comment
JEPS117515
Plantago coronopus
Lowell Ahart
2010-5-22
16713
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
392
Comment
CHSC3962
Plantago erecta
E. P. Parreno
1967-3-8
26
Butte
Cohasset Road in front of Municipal Airport.
Comment
CHSC83915
Plantago erecta
Lowell Ahart
2003-4-10
10061
Butte
Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
320
Comment
UC1125625
Plantago erecta
C. G. Albertus
1933-5-29
6
Butte
1.5 mi n Wick; Chico Quad.
Comment
UCD72996
Plantago erecta
Ayzik Solomeshch
2003-4-9
s.n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road.
Comment
CHSC41313
Plantago lanceolata
S. C. Morey
1983-7-22
549
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
JEPS108965
Plantago lanceolata
Lowell Ahart
2006-9-13
13321
Butte
South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville
437
Comment
JEPS119629
Plantago major
Lowell Ahart
2012-6-14
18191
Butte
South of CARD community, Lower Bidwell Park, Chico.
Comment
JEPS95936
Plantago major
Lowell Ahart
1999-8-13
8173
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
UCD138966
Platanthera dilatata var. leucostachys
Kenneth D. Stewart
1965-7-7
s.n.
Butte
around 25 miles northeast of Chico on State Highway 32.
Comment
UC1609272
Platanthera leucostachys
Lowell Ahart
1993-6-26
7006
Butte
about 0.25 mi w Lost Creek Reservoir (on the n side of the dirt road)
1036
Comment
CHSC1209
Platystemon californicus
S. Carter
1929-4-16
Butte
Just north of Chico.
60
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
CHSC60705
Poa annua
Vernon H. Oswald
1993-4-3
5248
Butte
1007 Lori Dr., in northwest Chico. In garden.
53
Comment
CHSC9281
Poa bulbosa
D. C. Burns
1971-4-3
115
Butte
On n side of Cohasset rd., ca. .5 mi e of the intersection of Cohasset rd. and Vilas rd.
365
Comment
SEINET10507579
Poa compressa
Lowell Ahart
1983-9-17
Ahart 4438
Butte
T24N R4E section 34. Ca. 1/4 mi se of Stirling City. Yellow Pine Forest; 1100 m.
1100
Comment
CHSC54311
Poa howellii
Vernon H. Oswald; Lowell Ahart
1991-6-5
4643
Butte
Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek on the west side of Hwy 32, ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. Roadside banks.
670
Comment
CHSC38847
Poa pratensis subsp. pratensis
Vernon Oswald
1983-5-11
469
Butte
Upper Bidwell Park, Chico, on the s side of Chico Creek between the e end of the Golf Course and Alligator Hole.
91
Comment
SEINET10822306
Poa scabrella
A. Arthur Heller
1917-4-15
Heller 12678
Butte
Treeless plains ten miles north of Chico in adobe soil.
64
Comment
CHSC30282
Poa secunda subsp. secunda
M. S. Taylor; J. D. Jokerst, R. S. Schlising
1980-6-14
2877
Butte
Little Bald Rock. On granite dome, ca. 4 mi e of Lake Madrone.
1016
Comment
CHSC26828
Pogogyne zizyphoroides
M. S. Taylor
1978-5-7
1613
Butte
Richvale vernal pool area, ca. 20 mi s of Chico on w side of Hwy 99.
30
Comment
JEPS95886
Polanisia dodecandra subsp. trachysperma
Lowell Ahart
1999-8-13
8157
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
UCSB64007
Polycarpon tetraphyllum
Ahart, Lowell
1978-6-2
Butte
Along the edge of North Honcut Creek; Peter Ahart Ranch; about 1 mile north and 3 miles east of Honcut; about 12 miles south of Oroville
39
Comment
SEINET10479612
Polygonum amphibium var. stipulaceum
Mary Susan Taylor
1975-10-3
Taylor 925
Butte
At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area.
37
Comment
CHSC113440
Polygonum aviculare
Lowell Ahart
2014-7-7
19563
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
JEPS94731
Polygonum aviculare subsp. aviculare
Lowell Ahart
1998-7-1
8035
Butte
about 7 air mi n Oroville (along the fence, e of cow chute and on e side of Cherokee Road); North Table Mountain
403
Comment
CAS-BOT-BC109130
Polygonum bidwelliae
A. A. Heller
1914-5-18
11409
Butte
Near Hog Springs, 6 miles east of Chico. Between Chico and Forest Ranch, 8 miles from Chico.
Comment
CAS-BOT-BC109137
Polygonum bidwelliae
C. R. Quick
1951-6-5
51 -87
Butte
5 miles northeast of Chico, Deer Creek road.
Comment
CHSC47470
Polygonum bidwelliae
Lowell Ahart
1980-5-11
2239
Butte
In an open pasture field, about 1/2 mile south-west of Kunkle Reservoir, about 3 miles south of Paradise. The plants are found west of the Pentz-Magalia Highway.
457
Comment
JEPS117518
Polygonum bidwelliae
Lowell Ahart
2010-5-23
16730
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
UC519233
Polygonum bidwelliae
J. E. Sowder
1933-6-2
1412
Butte
3 mi n Clear Creek; Chico Quad.
274
Comment
CAS-BOT-BC109149
Polygonum bolanderi
Dean W. Taylor
1988-8-12
10048
Butte
Road to Butte Meadows, 3.2 miles northeast from Highway 32.
1341
Comment
CHSC34777
Polygonum californicum
L. Ahart
1981-11-6
3216
Butte
In one of the open pasture fields on Peter Ahart Ranch, ca. 1.5 mi n and 1 3/4 mi e of Honcut.
50
Comment
SEINET10838776
Polygonum californicum
Mary Susan Taylor
1980-5-31
Taylor 2771
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
SEINET10479646
Polygonum hydropiperoides
Lowell Ahart
1991-9-14
Ahart 6715
Butte
On the sides of a large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
JEPS118058
Polygonum lapathifolium
Lowell Ahart
2011-8-17
17628
Butte
Aboout 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Prk, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
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
SEINET10530407
Polypodium californicum
Mary Susan Taylor
1973-1
Taylor 54
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CHSC20903
Polypodium calirhiza
M. S. Taylor
1974-2-26
54
Butte
S bank of Big Chico Creek, opposite Chico Municipal Golf Course.
60
Comment
JEPS104148
Polypodium calirhiza
Lowell Ahart
2003-4-10
10077
Butte
Face of basalt cliff, on the e rim of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
334
Comment
SEINET10530418
Polypodium glycyrrhiza
Mary Susan Taylor
1976-3-6
Taylor 1014 A
Butte
Riparian Woodland along Macabe's Creek, ca. 50 ft E of Lumpkin Rd, ca. 1 mi NE of Forbestown Rd, ca. 12 mi E of Orovil le; shaded, wet, cool area.
244
Comment
CDA31992
Polypogon interruptus
L. Ahart
2008-5-12
14741
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
Comment
CDA5623
Polypogon interruptus
L. Ahart
2005-4-14
11720
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC90933
Polypogon interruptus
Lowell Ahart
2005-4-14
11720
Butte
Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
UCD91194
Polypogon maritimus
A. A. Heller
1914-5-13
11398
Butte
Low adobe places near Butte creek between Durham and Nelson.
Comment
JEPS88274
Polypogon monspeliensis
Vernon H. Oswald and Lowell Ahart
1996-5-27
7663
Butte
U.S. Fish & Wildlife Service parcel between 7 Mile Lane & the Sacramento R. Scaramento R. Nat'l Wildlife Refuge (on s. side of levee rd. at s.w. corner of Tract 3.4, Sanctuary II, Llano Seco Unit); , Llano Seco Unit
32
Comment
SACT002054
Polypogon monspeliensis
Herbert Copeland
1923-5-11
Butte
Comment
JEPS106114
Polystichum imbricans subsp. curtum
Lowell Ahart
2004-6-22
11118
Butte
On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City
628
Comment
CHSC86424
Polystichum imbricans subsp. imbricans
R. D. Fischer; Paul Maslin
2004-2-7
54
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 609952E 4408993N.
380
Comment
CAS-BOT-BC76654
Polystichum munitum
Lowell Ahart
1981-11-8
3231
Butte
Near the Golden Trout Crossing.
800
Comment
CAS-BOT-BC72491
Polystichum scopulinum
Vernon Oswald; Lowell Ahart
1987-8-5
3189
Butte
N flank of Humboldt Peak on the Butte-Plumas county border, S of the Pacific Crest Trail
2072
Comment
CAS-BOT-BC102691
Populus tremuloides
A. A. Heller
1928-7-25
14699
Butte
Along the forest service trail between Jonesville and Butte Creek House
Comment
SEINET10840498
Porterella carnosula
Edwin B. Copel
1929-7-29
Copeland s.n.
Butte
On drying border of pond, above Jonesville
1750
Comment
JEPS115024
Portulaca oleracea
Lowell Ahart
2007-11-3
14556
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
CAS-BOT-BC452109
Potamogeton crispus
Lowell Ahart
1987-9-4
5873
Butte
Along the Biggs Princeton Highway, under P. G. & E. power lines, about 1 mile west of Biggs
28
Comment
CHSC80920
Potamogeton illinoensis
Lowell Ahart
2001-7-6
8882
Butte
Small pond, west of a large pond, large 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 Ord Bend, about 12 miles (air) southwest of Chico.
32
Comment
CDA818
Potamogeton illinoensis
L. Ahart
2001-6-3
8750
Butte
In shallow water on the W side of North Honcut Creek, Peter Ahart Ranch, about 1 mi N and 2 3/4 mi E of Honcut, about 12 mi SE of Oroville.
Comment
CHSC45583
Potentilla glandulosa subsp. glandulosa
L. P. Janeway
1987-5-10
2041
Butte
Near PG and E ditch ca 3/4 mi north of DaSAbla Res. at crossing of rd to Forks of Butte (Doe Mill Rd).
853
Comment
CHSC64213
Potentilla gracilis var. fastigiata
S. C. Morey
1983-8-1
656
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CAS-BOT-BC539450
Potentilla gracilis var. fastigiata
A. A. Heller
1917-7-26
12836
Butte
Butte Meadows
1280
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
CHSC43831
Prunella vulgaris var. lanceolata
L. P. Janeway
1987-6-26
2316
Butte
SW end of Logue Meadows.
1325
Comment
CHSC52218
Prunella vulgaris var. lanceolata
L. P. Janeway
1987-6-5
2137
Butte
Along French Cr Rd 5.0 mi from OroQuincy Hwy and Stanwood Saddle.
701
Comment
CHSC44886
Pseudobahia heermannii
Lowell Ahart
1979-4-15
1078
Butte
Along the north side of Swedes Flat Road, near the bridge across Rocky Honcut Creek, about 6 miles north of Bangor.
457
Comment
CHSC90595
Pseudobahia heermannii
J. D. Prouty
1980-4-7
80 .42
Butte
Bank near bridge at junction of Upper Rocky Honcut Creek and Swedes Flat Road.
350
Comment
CHSC113158
Pseudognaphalium luteoalbum
Lowell Ahart
2013-11-13
19229
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
244
Comment
CHSC76271
Pseudognaphalium luteoalbum
Lowell Ahart
1999-9-21
8264
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CAS-BOT-BC357004
Pseudognaphalium luteoalbum
Lowell Ahart
1987-5-6
5500
Butte
Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CHSC31453
Pseudognaphalium thermale
L. Ahart
1980-7-29
2493
Butte
Along the edge of Swedes Flat road, ca. 1.5 mi e of the Bangor Oroville Hwy, near Bangor.
320
Comment
CHSC45003
Pseudognaphalium thermale
Lowell Ahart
1988-9-4
6176
Butte
Along the edge of the dirt road, a little north of a branch of Last Chance Creek, about 1 mile west and a little north of Bald Mountain.
1005
Comment
CHSC65446
Pseudognaphalium thermale
Vernon Oswald
1987-7-16
3121
Butte
West Branch of Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) ne of Inskip.
1341
Comment
SEINET10530889
Pseudotsuga menziesii
Mary Susan Taylor
1976-2-22
Taylor 1000
Butte
Yellow Pine Forest, ca. 2 mi N of Cohas st, ca. 10 ft E of Cohasset Hwy.
610
Comment
SEINET10530926
Pseudotsuga menziesii
Mary Susan Taylor
1980-5-27
Taylor 2656
Butte
T21N R6E sc sec 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, granitic soils.
998
Comment
CHSC45895
Psilocarphus brevissimus var. brevissimus
Lowell Ahart
1978-5-1
1684
Butte
On the bottom of a vernal pool, in a field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
SFV4079
Psilocarphus tenellus
M. L. Vincent
1962-4-15
174
Butte
Sierra Nevada Intersection of Bernum and Pentz Roads. Near the town of Pentz.
200
Comment
CHSC88055
Ptelea crenulata
R. D. Fischer
2004-4-20
181
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located off Guardian Trail, n. of Disk Golf Course.
313
Comment
UC1609073
Pterospora andromedea
Lowell Ahart
1993-6-26
7026
Butte
on the west side of the dirt road, Mooreville Ridge, about 1 mile west of the Lost Creek Reservoir
1188
Comment
CHSC6647
Punica granatum
M. MacArthur
1968-6-16
342
Butte
Chico State College campus. NW side of Aymer Jam Hamilton School.
60
Comment
CHSC30055
Pyrola aphylla
K. R. Stern
1979-6-29
Butte
Jas. Moak Property. Parkhill, 1.5 mi S. of Jarhoe Gap.
594
Comment
CAS-BOT-BC462850
Pyrola asarifolia
E. B. Copeland
1931-7-1
670
Butte
Jonesville
1500
Comment
CHSC27200
Pyrus
P. Moyer
1971-2-1
84
Butte
CSUC Campus. E face of Bus.-Soc. Sci. Bldg.
60
Comment
UC2026861
Pyrus kawakamii
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-6-28
18230
Butte
On the north side of Sycamore Pool, Lower Bidwell Park, Chico.
Comment
CDA43369
Quercus berberidifolia
D. G. Kelch
2012-9-19
12 .359
Butte
300 m SSW of Forest Ranch E of Oroville along Rte 32.
Comment
RSA134789
Quercus berberidifolia
Percy C. Everett, E. K. Balls
1959-10-20
23907
Butte
8.6 miles ne. from Chico along State Hwy. 32, toward De Sabla.
488
Comment
CAS-BOT-BC62686
Quercus chrysolepis
Lowell Ahart
1980-9-10
2620
Butte
Little Bald Rock
1100
Comment
CHSC20506
Quercus chrysolepis
M. S. Taylor
1975-5-2
549
Butte
Ca. 1/4 mi w of Cohasset Rd, ca. 21 mi ne of Chico.
1036
Comment
CHSC30792
Quercus chrysolepis
M. S. Taylor
1980-5-27
2659
Butte
On trail to Big Bald Rock from parking lot, ca. 3 mi e of Lake Madrone.
996
Comment
CHSC3597
Quercus chrysolepis
Gerry Carrauthers
1966-3-6
40
Butte
Ca. 3 mi N. of city of Paradise near observation point for gold nugget find.
Comment
SEINET13953242
Quercus chrysolepis
A. A. Heller
1918-1
Butte
Honey Run grade on a north slope in the digger pine and oak belt
Comment
CHSC109601
Quercus coccinea
Lowell Ahart; Susan Bazell, Josephine Guardino
2012-5-31
18120
Butte
On the north side of the paved park road (Peterson Drive) about 600 yards west of the gate, northeast of the parking area, Lower Bidwell Park Chico.
76
Comment
UC2026891
Quercus coccinea
Lowell Ahart, Susan Bazell, Josephine Guardino
2012-5-31
18119
Butte
On the north side of the paved park road (Peterson Drive) about 600 yards west of the gate, northeast of the parking Area, Lower Bidwell Park, Chico.
Comment
CHSC96643
Quercus douglasii
Lowell Ahart
2007-3-28
13600
Butte
West of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
51
Comment
CAS-BOT-BC86112
Quercus dumosa
A. A. Heller
1916-9-8
12650
Butte
Ten mile house E of Chico
Comment
SEINET10447141
Quercus dumosa
Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux
1973-6-5
Conrad 7021
Butte
2/6 miles w of paradise on chico road.
610
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
SEINET10477880
Quercus durata
Mary Susan Taylor, L. Hanson
1981-4-2
Taylor 3476
Butte
T23N R4E northcentral sec 30; Paradise quad. Ca. 1/5 mi se of Ponderosa Way Bridge over West Branch Feather River, in Genii Mine area, ca. 3/4 mi ne (and downhill) of Magalia. Steep serpentine slope; 1800 ft.
549
Comment
CHSC33391
Quercus garryana var. breweri
Lynette Wood
1979-4-25
Butte
S of Paradise, ca 1 mi from junction with Neal Road, along Skyway.
414
Comment
UC1135634
Quercus garryana var. breweri
C. G. Albertus
1933-7-1
39
Butte
sw slope Promontory Pk.; Chico Quad.
1005
Comment
CAS-BOT-BC61582
Quercus lobata
G. P. Rixford
1912-10-1
s.n.
Butte
Bidwell Ranch, Chico
Comment
CHSC77341
Quercus lobata
L. P. Janeway
2000-3-29
6648
Butte
Sacramento Valley. At edge of River Road 0.5 mi south of Hwy 32; near Pine Creek. Along fenceline between road and orchard.
43
Comment
CHSC100469
Quercus robur
Lowell Ahart; John Dittes
2008-11-14
15453
Butte
In the south part of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
JEPS119727
Quercus wislizeni var. wislizeni
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18272
Butte
Path in Cedar Grove, southwest of parking area, Lower Bidwell Park, Chico.
Comment
UCR219105
Quercus wislizeni var. wislizeni
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15597
Butte
Sierra Nevada Mountains Foothills, Oro Dam Blvd. c. 2 mi. NE of Oroville and about one mile SW of the dam
88
Comment
CHSC2385
Ranunculus arvensis
R. Carter
1965-3-23
171
Butte
Found 10 yds. N of Richardson Springs turnoff along E side of Cohasset Rd. along W side of rock fence.
167
Comment
CAS-BOT-BC378986
Ranunculus arvensis
Lowell Ahart
1980-5-10
2234
Butte
Honcut, Peter Ahart Ranch
50
Comment
CAS-BOT-BC378957
Ranunculus bonariensis
Lowell Ahart
1980-4-19
2088
Butte
Honcut, Peter Ahart Ranch
50
Comment
CAS-BOT-BC378958
Ranunculus bonariensis
Lowell Ahart
1978-4-14
s.n.
Butte
Honcut, Peter Ahart Ranch
50
Comment
CHSC78162
Ranunculus bonariensis var. trisepalus
Lowell Ahart
2000-6-6
8460
Butte
In a deep depression, on the bottom of an old gold mining pit, just southeast of where the dirt road crosses Oregon Gulch creek, about 1/4 mile northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam.
304
Comment
CHSC1475
Ranunculus californicus
Agnus Riker
1897-5-1
Butte
Comment
CHSC52780
Ranunculus canus
Vernon Oswald
1983-3-19
198
Butte
Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. near Devil's Kitchen (2.1 mi e of the power lines).
225
Comment
CHSC76958
Ranunculus canus
Margie Collins
1894-5-1
Butte
Chico.
Comment
SEINET7083219
Ranunculus canus
L. Ahart
2003-5-28
10228
Butte
Edges of a large vernal pool 100 feet west of Hendricks ditch, about 1.75 miles west of the iron gate and fence west of Cherokee Road, North Table Mountain. About 7 miles north of Oroville. 39? deg. 35' 3.5" North Latitude; 121? deg. 35' 7.3" West Longitude. EX MWI.
Comment
POM268403
Ranunculus canus
Lyman Benson
1935-3-27
6368
Butte
5 miles NW of Oroville, Sierra Nevada Mt Range, Sacramento river watershed.
152
Comment
SEINET10932409
Ranunculus muricatus
Mary Susan Taylor
1975-4-26
Taylor 532
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
CDA14071
Ranunculus occidentalis
G. F. Hrusa, T. D. Wilfred
1997-5-1
13718
Butte
Sierra Nevada; NE side of upper end of Paradise Lake above Magalia.
Comment
SEINET194909
Ranunculus occidentalis var. eisenii
A. A. Heller
1919-5-18
13181
Butte
Mosquito Creek between Appleton and Coutolenc
610
Comment
CHSC52825
Ranunculus occidentalis var. ultramontanus
Kirsten Tarp
1982-7-21
215
Butte
N part of county at Philbrook Reservoir; at edge of meadow.
1706
Comment
RSA268507
Ranunculus occidentalis var. ultramontanus
J. H. Morrison
1929-06
s.n.
Butte
Oroville - Quincy, Sierra Nevada.
1829
Comment
POM219380
Ranunculus orthorhynchus
H. F. Copeland
1931-6-11
1533
Butte
Jonesville, Butte Creek Meadows
1829
Comment
JEPS95340
Ranunculus sardous
Lowell Ahart
1994-6-6
7312
Butte
3 1/2 air miles NW of Oroville (N of the corral, on N side of the bend in Cottonwood Road, about 1/4 mi W of Hwy 70)
57
Comment
LA207835
Rhamnus ilicifolia
A. A. Heller;
1915-4-20
11847
Butte
2 mi. below Centerville in the Sierra foothills
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
CHSC27307
Rhamnus tomentella subsp. tomentella
T. B. Devine
1977-5-22
388
Butte
N side of Pine Creek under Sycamore. % mi e of Hwy 99.
121
Comment
UC1093997
Rhamnus tomentella subsp. tomentella
Lewis S. Rose
1955-6-14
55097
Butte
Magalia
731
Comment
CHSC103705
Rhus aromatica
Lowell Ahart
2010-5-14
16674
Butte
On the south side of the Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
301
Comment
CHSC51992
Rhus aromatica
L. P. Janeway
1988-4-10
2617
Butte
Butte Cyn; grassy slope below Centerville Rd (Humbug Rd) 1.0 mi NE of Honey Run Rd.
115
Comment
UC203616
Rhus trilobata
A. A. Heller
1914-3-19
11212
Butte
canyon of Big Chico Creek
76
Comment
CHSC44065
Rhynchospora californica
L. P. Janeway
1988-5-30
2714
Butte
Cyn of Big Chico Cr; upper Bidwell Park, 3.7 mi along Upper Park Rd from Wildwood Ave. Seep above Salmon Hole.
161
Comment
CHSC89896
Rhynchospora californica
L. P. Janeway
2004-12-11
8326
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; southeast-facing slope about 350 m north of Parking Lot F; west side of major ephemeral drainage about 240 m west of upper high voltage power lines. Seep about 50 m long, 25 m wide.
116
Comment
SD2128
Ribes cereum
E. B. Copeland
1931-6-11
Butte
Jonesville. In the open, Kirby's Meadow.
1800
Comment
CHSC11906
Ribes inerme
E. B. Copeland
1931-5-9
646
Butte
Jonesville.
1500
Comment
CHSC26784
Ribes nevadense
M. S. Taylor
1978-5-6
1626
Butte
E side of Cohasset Rd, ca. 8 mi n of Chico.
137
Comment
SBBG29145
Ribes nevadense
E. B. Copeland
1931-7-31
Butte
near Butte Crk, Jonesville
1550
Comment
UC129470
Ribes nevadense
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
RSA0024708
Ribes roezlii
H. F. Copeland
1928-8-18
346
Butte
Neighborhood of Jonesville.
1524
Comment
CHSC81519
Ribes roezlii var. roezlii
D. Tellefson
2000-4-18
Butte
Paradise Lake, north of Paradise.
700
Comment
LA205438
Ribes viscosissimum
A. A. Heller;
1915-6-26
10232
Butte
Sierra Nevada, summit above Jonesvillle
2133
Comment
CAS-BOT-BC353730
Rigiopappus leptocladus
M. S. Taylor
1981-5-21
3770
Butte
S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville
853
Comment
CAS-BOT-BC74468
Rorippa curvisiliqua
A. A. Heller
1914-5-30
11469
Butte
Sacramento Valley about 6 miles northwest of Chico. Chico-Hamilton road 6 miles from Chico.
Comment
CHSC103026
Rorippa nasturtium-aquaticum
Lowell Ahart
2009-6-3
15819
Butte
Drainage below dam, about 100 yards west of the table at the old homestead and 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
CHSC12111
Rorippa nasturtium-aquaticum
J. M. Pitts
1972-4-16
127
Butte
In creek 80 yards se of Humbug Rd. 7.9 mi ne past Honeyrun Bridge.
426
Comment
CHSC35116
Rorippa nasturtium-aquaticum
R. E. Preston
1981-8-31
144
Butte
In spring; ca. 15 m s of park road, ca. 150 m w of Salmon Hole parking lot, Upper Bidwell Park, Chico.
125
Comment
RSA768992
Rorippa palustris subsp. occidentalis
L. Ahart
2010-4-7
16575
Butte
Sides of a deep ditch on south side of Biggs Princeton Road, about 100 yards west of the intersection of Biggs Princeton Road and Riceton Highway, about 1.25 miles northwest of Biggs.
32
Comment
CHSC33100
Rorippa palustris var. occidentalis
R. E. Preston
1981-4-20
53
Butte
On bank of irrigation ditch, e side of Aguas Frias Rd., ca. 100 m s of Butte Cr., ca. 22.5 km s of Chico.
29
Comment
JEPS122200
Rorippa palustris var. occidentalis
Lowell Ahart
2014-4-16
19362
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
Comment
CAS-BOT-BC74801
Rorippa palustris var. palustris
Lowell Ahart
1986-11-14
5458
Butte
About 0.1 mile south of the clay burrow for Oroville Dam, 0.25 mile east of Larkin Road, about 6 miles SW of Oroville.
36
Comment
CAS-BOT-BC148105
Rosa gymnocarpa
Lowell Ahart
1982-9-13
3822
Butte
Along the dirt road which is along Pinkard Creek, about 1/8 mile north of the Lost Creek Res. Dam, about 2 and 1/8 miles north-west of Strawberry Valley
1100
Comment
JEPS108718
Rosa gymnocarpa
Lowell Ahart
2006-6-24
12856
Butte
On the west side of the dirt road (Ponderosa Way), at an intersection, a gated road goes northwest, on Cohasset Ridge, about 3 3/4 miles (air) northeast of Cohasset
1128
Comment
JEPS119746
Rosa multiflora
Lowell Ahart
2012-5-17
18075
Butte
On the sides of a horse trail, about 20 yards north of Big Chico Creek, southwest of the southwest corner of the old walnut orchard, about 3/5 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
UC176377
Rosa pisocarpa subsp. ahartii
A. A. Heller
1913-6-7
10801
Butte
near Stirling
1074
Comment
UC1862495
Rosa pisocarpa subsp. ahartii
Barbara Ertter with Lowell Ahart
2006-8-1
18750 b
Butte
Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville
655
Comment
UC1926781
Rosa pisocarpa subsp. ahartii
Barbara Ertter, Lowell Ahart
2007-6-23
19074
Butte
Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville.
655
Comment
CHSC43945
Rosa rubiginosa
Vernon Oswald
1988-5-17
3312
Butte
Near jct. Forbestown Rd. and e end of Black Bart Rd. In a meadow.
743
Comment
SEINET10498793
Rosmarinus officinalis
Mary Susan Taylor
Taylor 449
Butte
Campus of the California State University, Chico.
61
Comment
JEPS98345
Rotala ramosior
Lowell Ahart
2000-8-28
8667
Butte
6 air miles SW of Oroville (Oroville Wildlife Area, about 1/2 mi W of Oak Grove and Hwy 70, NW edge of large man made lake)
42
Comment
UC1586509
Rotala ramosior
Vernon H. Oswald and Lowell Ahart
1991-8-28
4849
Butte
3.5 mi nw of Biggs (Rice Experimeent Station on s side of Highway 162); Rice Experimeent Station, Highway 162
30
Comment
SEINET10483571
Rubus glaucifolius
Mary Susan Taylor
1980-9-12
Taylor 3329
Butte
T24N R3E nw sec 21, Paradise quad. W side of Hwy 32, ca. 3 mi N of Forest Ranch, near Forest Ranch Fire Control Station; Yellow PIne Forest.
975
Comment
CHSC45814
Rubus laciniatus
L. P. Janeway
1987-6-13
2186
Butte
At the Crain Mill site, 1.6 mi N along Ponderosa Way (Rim Rd) from Jarbo Gap.
883
Comment
CHSC78266
Rubus laciniatus
Lowell Ahart
2000-7-11
8574
Butte
On the north side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls.
1219
Comment
CHSC44425
Rubus leucodermis
Lowell Ahart
1988-6-23
6075
Butte
In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
CHSC1601
Rubus parviflorus
R. Carter
1964-5-16
95
Butte
Feather R. Canyon, 1/4 mi. up S side of Bear Creek from Hwy. 40A.
640
Comment
CHSC46045
Rubus parviflorus
L. P. Janeway
1987-6-19
2223
Butte
Along Sly Cr at crossing of rd to the SE side of Sly Cr Reservoir 2.1 mi from the Challenge-LaPorte Rd. Cyn bottom near the cr.
1097
Comment
CHSC24685
Rubus ursinus
D. Hattem
1976-4-10
10
Butte
Ca. 20 m ne of Chico Creek, ca. 10.2 mi ne of Chico.
304
Comment
CHSC48875
Rubus ursinus
Vernon Oswald
1987-4-6
2307
Butte
Butte Creek Reservoir on the n side of Butte Creek e of the Skyway.
80
Comment
CHSC29736
Rumex crispus
J. D. Jokerst
1980-4-21
628
Butte
Top of North Table Mt., N of Cherokee Rd. Occasional along edges of vernal stream courses.
381
Comment
CAS-BOT-BC421619
Rumex crispus
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
JEPS94633
Rumex obtusifolius
Lowell Ahart
1998-7-1
8034
Butte
about 7 air mi n Oroville (e of cow chute and on e side of Cherokee Rd.); North Table Mountain
403
Comment
RSA781353
Rumex pulcher
Anna Kostikova, Glenn Litsios, Sarah Burgy
2010-7-1
153
Butte
Bidwell park, parking slot, northern entrance, from hwy 32.
Comment
CAS-BOT-BC433778
Rumex pulcher
Lowell Ahart
1983-6-26
4145
Butte
Along Ponderosa Way, about 1/2 mile south of the East Fork of Canyon Creek, about 13 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge instead of Ponderosa Way.
550
Comment
CHSC43714
Rumex salicifolius var. denticulatus
Vernon Oswald
1987-6-8
2960
Butte
Butte Creek Reserve on the nw side of the creek, ne of Hwy 99.
67
Comment
CHSC102961
Rumex stenophyllus
Lowell Ahart
2009-7-4
15996
Butte
On the sides of the road, near parking lot 18, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley.
19
Comment
CHSC45578
Sagina apetala
Lowell Ahart
1975-5-11
752
Butte
In a wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
JEPS122222
Sagina decumbens subsp. occidentalis
Lowell Ahart
2014-4-26
19410
Butte
On the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experiment Station.
Comment
SD74
Sagittaria cuneata
E. B. Copeland
1930-7-29
Butte
Above Jonesville.
1700
Comment
CHSC45314
Sagittaria sanfordii
Vernon Oswald
1988-10-25
3713
Butte
Wurlitzer Unit, Vina Plains Preserve. In a farm pond.
57
Comment
JEPS124283
Sagittaria sanfordii
Lowell Ahart
2015-10-24
20586
Butte
About 400 yards north of where Gilstrap Avenue makes a S turn, about 2 miles (air) from the center of Gridley.
Comment
UC2026859
Salix babylonica
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17804
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CAS-BOT-BC107966
Salix geyeriana
H. F. Copeland
1920-5-21
s.n.
Butte
Jonesville
1219
Comment
CHSC65018
Salix jepsonii
V. Oswald; L. Ahart
1988-10-6
3708
Butte
Last Chance Creek where it crosses the road between Inskip and Jones Meadow.
1560
Comment
CHSC11348
Salix laevigata
Lowell Ahart
1970-3-18
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC106982
Salix lasiolepis
M. S. Taylor
1979-3-19
1934
Butte
1.5 mi e of Pulga bridge over Feather River, along Hwy 70, near Bear Ranch Creek, ca. 25 air mi n of Oroville
487
Comment
CHSC108810
Salix lasiolepis
Lowell Ahart
2012-4-9
17830
Butte
Wet area in the rock corral, east of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
110
Comment
UC726480
Salix lasiolepis
A. A. Heller
1919-5-17
13164
Butte
near Stirling; Feather River
975
Comment
CAS-BOT-BC129580
Salix lasiolepis var. lasiolepis
A. A. Heller
1914-4-27
11324
Butte
Hills 8 miles north of Oroville, on the stony banks of a winter stream 8 miles north of Oroville
Comment
JEPS121898
Salix lemmonii
Lowell Ahart
2014-7-10
19638
Butte
About 80 yards south of Philbrook Road, about 1 1/4 miles west of Philbrook Reservoir.
Comment
UC446427
Salix lemmonii
E. B. Copeland
1931-6-11
Butte
Kirby's <Beadow>
1800
Comment
CHSC60851
Salix lucida subsp. lasiandra
Vernon H. Oswald; Lowell Ahart
1993-6-22
5561
Butte
In Long Ravine W of Stirling City, where Hendricks Canal tunnel dumps into the creek.
975
Comment
UC478534
Salix scouleriana
E. B. Copeland
1931-7-30
399
Butte
Jonesville
1550
Comment
CHSC48297
Salsola tragus
Vernon Oswald
1984-6-3
1249
Butte
Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. Growing on a sandbar on the edge of the river.
39
Comment
CDA42912
Sambucus nigra subsp. caerulea
L. Ahart
2012-7-5
18280
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Tables 12 & 13, Lower Bidwell Park, Chico.
Comment
JEPS94435
Samolus parviflorus
Lowell Ahart
1997-10-12
7916
Butte
about 12 mi se of Oroville (about 2 mi n and 2 3/4 mi e of Honcut, along North Honcut Creek); North Honcut Creek
57
Comment
HSC66267
Sanicula bipinnata
M. S. Taylor
1980-3-1
2324
Butte
W end of county dump on N side of Neal Rd., about 1 mi. E of Hwy. 99, about 7 mi. S of Chico
76
Comment
UC73328
Sanicula bipinnata
Miss M. Alice King
1905-1
Butte
near College City (Sacramento Valley); Sacramento Valley
Comment
JEPS43475
Sanicula bipinnatifida
Joan O. Danielson
1966-4-6
26
Butte
Cherokee Rd past Oregon Gulch Road
609
Comment
HSC32653
Sanicula bipinnatifida
Patricia Datzman
1974-4-20
22
Butte
Cherokee Mtn. Rd., 2 mi. S of Cherokee
Comment
JEPS108822
Sanicula bipinnatifida var. flava
Lowell Ahart
2006-5-8
12601
Butte
Steep bank on the south side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
296
Comment
CHSC1983
Sanicula crassicaulis
A. Goekler
1930-4-13
Butte
Chico.
Comment
POM82771
Sanicula graveolens
C. C. Bruce
1898-06
S.N.
Butte
[No locality information provided]
Comment
CHSC79646
Sanicula tuberosa
G. F. Hrusa; T. D. Wilfred
1997-5-8
13749
Butte
Sierra Nevada. Near summit of slope facing SSE above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 51 N; 121 34 W'].
740
Comment
CHSC13716
Saponaria officinalis
M. S. Taylor
1974-9-14
320
Butte
On s bank of Big Chico Creek, Alligator Hole, Upper Bidwell Park, Chico.
Comment
SEINET10833458
Saponaria officinalis
Mary Susan Taylor
1977-7-15
Taylor 1413
Butte
Immediate vicinity of Butte Creek under Honey Run Covered Bridge, ca. 5 mi E of Chico.
244
Comment
UC392198
Sarcodes sanguinea
E. B. Copeland
Jul 1929
Butte
Jonesville
472
Comment
CAS-BOT-BC436861
Saxifraga
Lowell Ahart
1975-3-3
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CDA25432
Saxifraga californica
A. C. Browne
1951-3-27
Butte
Richardson s Springs.
0
Comment
SEINET10871269
Saxifraga nidifica
Lowell Ahart
1983-3-27
Ahart 3905
Butte
Peter Ahart Ranch, ca. 3 mi NE of Honcut. Valley Grassland; 50 m.
50
Comment
UC398919
Saxifraga oregana
E. B. Copeland
1929-7-20
369
Butte
Jonesville
1550
Comment
UC591531
Saxifraga oregana
H. F. Copeland
1935-6-25
Butte
Jonesville
1500
Comment
CHSC68453
Schoenoplectus acutus var. occidentalis
L. P. Janeway
1986-9-20
1867
Butte
Along River Road (Fell Road) about 1 mi south of Chico River Road (River Road).
38
Comment
CHSC57152
Schoenoplectus mucronatus
L. P. Janeway
1988-6-29
2906
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of Skyway, 2.9 mi east of the Butte Creek bridge.
170
Comment
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-BC5833
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville
1550
Comment
SEINET7487248
Scirpus diffusus
Robert F. C. Naczi, Anton A. Reznicek
2006-8-1
11404
Butte
ca. 4 mi NE of community of Butte Meadows, ca. 0.1 mi N of Cherry Hill Campground, at crossing of small tributary of Butte Creek; ; W side of paved road
1448
Comment
UC398893
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville; in bog
1550
Comment
JEPS104047
Scirpus setaceus
Lowell Ahart
2003-6-30
10337
Butte
In the gutter on the n side of Fields Ridge Rd, n of the Ponderosa Reservoir, ca 3 mi (air) n of Forbestown.
491
Comment
CHSC50662
Scleranthus annuus subsp. annuus
Lowell Ahart
1990-6-16
6515
Butte
Below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC87793
Scutellaria californica
Paul Maslin
2004-4-6
10
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER).
Comment
UC1094741
Scutellaria californica
Francia Chisaki
1956-6-1
907
Butte
22 mi s of Butte-Plumas County line (on Hwy alt. #40)
Comment
UCD125705
Scutellaria californica
L. Ahart
1982-5-28
3439
Butte
on north slope near North Honcut Creek, near Peter Ahart Ranch, around 3 miles northeast of Honcut.
50
Comment
CHSC101326
Scutellaria tuberosa
Lowell Ahart
2009-4-22
15582
Butte
South side of Guardians Trail, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
SEINET12326930
Scutellaria tuberosa
Unknown
1981-1
14
Butte
ca 150 m W of Butte Creek & 1.2 km N of Magalia Reservoir, 2.5 km N of Magalia
735
Comment
CHSC42518
Secale cereale
Lowell Ahart
1987-5-6
5571
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CAS-BOT-BC415019
Sedella pumila
A. A. Heller
1938-4-22
15042
Butte
U.S. Highway #99E about 9 miles N of Chico
Comment
CAS-BOT-BC63853
Sedum spathulifolium
J. F. Emmel
1970-4-5
251
Butte
1/3 air mile E of Richardson Springs along Mud Creek, on S side of creek.
213
Comment
SEINET10530448
Selaginella
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5521 A
Butte
At Butte-Plumas County line on Hwy 70, on large granitic outcrop.
Comment
CAS-BOT-BC363285
Senecio aronicoides
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
SEINET10474901
Senecio aronicoides
Mary Susan Taylor
1979-7-21
Taylor 2163
Butte
Humboldt Peak, at Humboldt Summit, tallest point in the county, on Butte- Tehama County line.
2155
Comment
CDA13874
Senecio eurycephalus var. lewisrosei
G. F. Hrusa, T. D. Wilfred
1997-5-7
13732
Butte
Sierra Nevada; above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
SEINET10904906
Senecio eurycephalus var. lewisrosei
Mary Susan Taylor
1978-5-6
Taylor 1582
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
UC174133
Senecio integerrimus var. exaltatus
T. S. Brandegee
1892-6-29
Butte
Jonesville
Comment
SEINET10475269
Senecio layneae
Lowell Ahart
1985-1
Butte
Comment
CDA34707
Senecio sylvaticus
L. Ahart
2010-5-2
16707
Butte
On both sides of Yahi Trail, east of the dirt road, west of Big Chico Creek, Upper Bidwell Park, about 6 miles (air) northeast of Chico.
Comment
CHSC113948
Senecio sylvaticus
Lowell Ahart
2014-8-13
19706
Butte
10 yards east of the east edge of a large wet meadow (some bog), about 120 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
JEPS117239
Senecio sylvaticus
Lowell Ahart
2010-5-20
16707
Butte
On both sides of the Yahi Trail, east if the dirt road, west of Big Chico Creek, Upper Bidwell Park, about 6 miles (air) northeast of Chico
182
Comment
JEPS122147
Senecio sylvaticus
Lowell Ahart
2014-8-13
19706
Butte
About 120 yards east of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CAS-BOT-BC364270
Senecio triangularis
Lowell Ahart
1985-7-9
5117
Butte
Along Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls
914
Comment
CHSC11833
Senecio triangularis
E. B. Copeland
1931-7-4
699
Butte
Jonesville. Along streams.
1550
Comment
CHSC420
Senecio vulgaris
P. Delaplane
1965-3-20
4
Butte
In back yard of 817 Rio Chico Way, Chico.
30
Comment
CHSC27251
Sequoia sempervirens
P. Moyer
1971-10-2
29
Butte
CSUC Campus. On n side of L.S. Bldg.
60
Comment
SEINET10612365
Sequoia sempervirens
Carpenter
1975-4-8
Carpenter 3
Butte
Butte County: Individual, Ea. 100 yards south of Junction 4th & Citrus Avenue Avenue, Chico. Tree 100 feet tall. Ornamental planting in exposed r. grassland area.
Comment
CDA43366
Sesbania punicea
D. G. Kelch
2012-9-19
12 .354
Butte
Oroville, immediately west of sewage treatment plant.
Comment
CHSC65189
Setaria gracilis
Lowell Ahart
1995-8-19
7615
Butte
East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
36
Comment
CHSC102964
Setaria viridis
Lowell Ahart
2009-7-9
16021
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CHSC30872
Sherardia arvensis
J. D. Jokerst
1979-4-2
1175
Butte
Top of North Table Mt along the sides of Cherokee Rd at the East side of the Mt.
Comment
UC1594532
Sibara virginica
Lowell Ahart
1992-4-17
6747
Butte
about 1 1/4 mi s Butte City Highway (e side of Goodspeed Watt Road); s of Butte City Highway
30
Comment
CHSC84868
Sidalcea asprella
L. P. Janeway
2003-5-24
7797
Butte
Northern Sierra Nevada Foothills. Along OroDam Blvd. 585 m southwest of the base of Oroville Dam.
137
Comment
LA205920
Sidalcea asprella subsp. asprella
C. L. Hitchcock;
1952-5-28
19536
Butte
Oroville - Forbestown Road, about 8 mi. E of Oroville
Comment
CHSC29408
Sidalcea calycosa
R. A. Schlising
1980-6-22
3753
Butte
Several mi S of village of Cohasset.
441
Comment
SEINET10904427
Sidalcea calycosa
Mary Susan Taylor
1980-3-28
Taylor 2408
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
CHSC12946
Sidalcea glaucescens
K. R. Stern
1974-6-30
5776
Butte
Vic. of Jones Creek at Jonesville.
1371
Comment
UC1124956
Sidalcea glaucescens
P. L. Johannsen
1936-7-21
958
Butte
1 1/2 mi ese Chaparral House; Lassen National Forest, Paynes Creek Quadrangle
Comment
CHSC38551
Sidalcea hartwegii
Vernon Oswald
1983-4-18
345
Butte
Upper Bidwell Park, Chico, on the north slope slightly e of Horseshoe Lake.
146
Comment
RSA754584
Sidalcea hartwegii
L. Ahart
2009-4-22
15583
Butte
W side of Guardians Trail, about 100 yards N of Pine Trail, Upper Bidwell Park, W of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
CHSC1047
Sidalcea hirsuta
F. Johnson
1937-5-20
Butte
Near old radio transmitter on Madrone St.
57
Comment
JEPS104599
Sidalcea malviflora
Lowell Ahart
1993-10-3
7269
Butte
W branch of Wildcat Creek, about 2 mi NE of Coyote Gap
1402
Comment
CHSC37280
Silene bernardina
M. S. Taylor
1982-8-16
5000
Butte
Along road from Bald Mt to High Rock Ravine, ca. 4 air mi ne of Stirling City.
1706
Comment
CHSC44927
Silene bernardina
Lowell Ahart
1988-7-31
6163
Butte
On the south side of the road, about 1 air mile north-east of Bald Mountain, about 4 1/2 air miles north-east of Stirling City.
1676
Comment
UC128807
Silene bridgesii
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
RSA477840
Silene californica
M. M. Boney
1897-1
1724
Butte
[Unspecified]
Comment
SEINET10932255
Silene californica
Mary Susan Taylor
1980-10-6
Taylor 3353
Butte
T23N R5E se sec 15, Pulga quad. S side of Hwy 70, ca. 0.4 mi W of Bear Creek jct with N Fork Feather River, ca. 0.5 mi W of Arch Rock Tunnel Rest Stop, near Butte-Plumas county line; granitic soils.
488
Comment
SEINET10537535
Silene gallica
Mary Susan Taylor
1982-5-2
Taylor 4390
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
CHSC24879
Silene laciniata subsp. californica
P. Laherty
1976-4-4
6
Butte
On n side of Ponderosa Way, ca. 10 mi w of junc of Ponderosa Way and Hwy 32, ca. 22 mi ne of Chico.
426
Comment
CHSC31133
Silene laciniata subsp. californica
Herb Allan McLane
1980-4-9
4
Butte
10 ft n of Ponderosa Way, Plumas National Forest.
402
Comment
CHSC42411
Silene laciniata subsp. californica
Lowell Ahart
1977-4-28
1326
Butte
Near Ponderosa Way and near the Ponderosa Dam, north-west of Forbestown.
335
Comment
UC478523
Silene occidentalis subsp. longistipitata
E. B. Copeland
1930-7-28
635
Butte
Jonesville
1550
Comment
UC600621
Silene occidentalis subsp. longistipitata
H. F. Copeland
1930-7-20
Butte
Jonesville
1524
Comment
JEPS98990
Sinapis alba
Lowell Ahart
2001-4-15
8723
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer road, about 1 mile east of Pennington road, Gray Lodge Waterfowl Management Area, about 4 miles (air) SW of Gridley.
22
Comment
CAS-BOT-BC74930
Sinapis arvensis
Lowell Ahart
1974-5-5
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CHSC96802
Sisyrinchium bellum
Lowell Ahart
2007-4-30
13706
Butte
On the west side of Jordan Hill Road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir.
358
Comment
SEINET10971622
Sisyrinchium bellum
Lowell Ahart
1983-8-16
Ahart 4313
Butte
T26N R4E section 32? On dry dark soil in a small mountain meadow, near Bull Hill Rd, ca. 3.5 mi south of Butte Meadows. Yellow Pine Forest; l600 m.
1600
Comment
SEINET12048536
Sisyrinchium bellum
Unknown
1984-1
12
Butte
1.8 mi S of Concow Reservoir and .2 mi N of Deadwood Creek
457
Comment
SEINET10905129
Smilacina racemosa
Mary Susan Taylor
1981-5-21
Taylor 3783
Butte
T23N R5E south central border sec 8, Pulga SW quad. Jct of Camp Creek and Rd 23N10, ca. 4 mi N of Pulga on Feather River Hwy 70. Granite soils; Yellow Pine Forest; 3300 ft.
1006
Comment
CHSC111145
Solanum americanum
Lowell Ahart
2012-6-14
18185
Butte
On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico.
62
Comment
JEPS95803
Solanum americanum
Lowell Ahart
1999-9-18
8261
Butte
about 2 miles north and 1/4 mile east of Honcut; Peter Ahart Ranch, Oroville; Peter Ahart Ranch; about 2 miles north and 1/4 mile east of Honcut; about 12 miles south of Oroville
30
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
JEPS124172
Solanum parishii
Lowell Ahart
2015-3-14
19946
Butte
Beastson Hollow, about 3/5 of a mile northwest of Cherokee Road, about 7 miles (air) north of Oroville.
Comment
NY821123
Solanum parishii
Mrs. C. C. Bruce
05 1898
1872
Butte
Little Chico
Comment
SEINET12318607
Solanum parishii
Unknown
1978-1
2
Butte
West Branch Feather River
280
Comment
CDA35762
Solanum rostratum
J. R. Keck Jr., L. Adams
1978-10-26
PDR# 330072
Butte
Chico; Rancho Llano Seco.
0
Comment
CAS-BOT-BC157521
Solanum umbelliferum
E. Patte
1923-5-15
s.n.
Butte
Shady Rest near Cresta
Comment
SEINET10474358
Solidago occidentalis
Mary Susan Taylor
1975-10-3
Taylor 926
Butte
At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area.
37
Comment
CHSC48198
Solidago velutina subsp. californica
Vernon Oswald
1985-9-2
1937
Butte
Flea Valley--Sawmill Peak Rd. (V-line) 1.8 mi w of Flea Valley.
1066
Comment
CHSC82441
Soliva sessilis
Lowell Ahart
2002-5-7
9613
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
JEPS18175
Soliva sessilis
Rimo Bacigalupi with G. T. Robbins and F. Chisaki
1956-4-19
5607
Butte
along Oroville-Concow road 2.8 mi below junction Yankee Hill Road
373
Comment
SEINET10474013
Sonchus asper
Mary Susan Taylor
1975-3-25
Taylor 429
Butte
Chico.
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
CHSC38391
Sonchus oleraceus
Vernon Oswald
1983-5-21
512
Butte
Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
152
Comment
CAS-BOT-BC374754
Sonchus tenerrimus
Lowell Ahart
1984-11-1
4832
Butte
On the Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville
50
Comment
CHSC37123
Sorbus scopulina
L. Ahart
1982-9-13
3824
Butte
Along a stream, near dirt rd by Pinkard Creek, ca. 1/8 mi n of Lost Creek Reservoir Dam, ca. 2.2 mi nw of Strawberry Valley.
1100
Comment
SEINET10483618
Sorbus scopulina var. cascadensis
Lowell Ahart
1983-8-16
Ahart 4300
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
CHSC38859
Sorghum halepense
Vernon Oswald
1983-6-3
623
Butte
Upper Bidwell Park, Chico, in Lindo Channel between Five Mile Recreation Area and the flood-control gates.
79
Comment
CHSC4360
Sorghum halepense
M. Hiller
1966-5-29
Butte
In creek bed parallel to Manzanita Ave., Chico.
Comment
UCR219097
Sorghum halepense
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15574
Butte
Sacramento Valley, Lower Honcut Road, 0.8 mile east of its junction with CA-70, 2.5 mi. WSW (261 deg. ) of Honcut, 6.6 mi. SE (116 deg. ) of Gridley
27
Comment
HSC73012
Sparganium angustifolium
M. S. Taylor, L. Ahart
1981-8-16
4195
Butte
Jones Meadow, 3 mi. S of Philbrook Reservoir, 6 mi. NE of Stirling City
1829
Comment
CHSC38522
Spartium junceum
Vernon Oswald
1983-5-4
424
Butte
Upper Bidwell Park, Chico, 100 ft w of the parking lot at Day Camp.
91
Comment
CHSC10664
Spergula arvensis subsp. arvensis
Lowell Ahart
1969-3-27
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC114168
Spergularia bocconi
Barbara L. Wilson; Lowell Ahart, Lawrence Janeway, Peter F. Zika
2011-8-5
16792 A
Butte
At junction of Forbestown Road and Oroville Highway (Highway 162).
372
Comment
JEPS115355
Spergularia bocconi
Lowell Ahart
2009-7-3
15986
Butte
On the north side of the road, 30 yards west of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 30 yards east of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
CHSC33704
Spergularia marina
L. Ahart
1981-4-6
2743
Butte
On Gray Lodge Waterfowl Mgmt Area, w of the HQ, ca. 8 mi sw of Gridley.
35
Comment
UCD99249
Spergularia marina
P. B. Kennedy
9-10 Aug 1921
s.n.
Butte
Butte County.
Comment
SEINET10454597
Sphenosciadium capitellatum
Lowell Ahart
1985-7-9
Ahart 5108
Butte
About 1 mile south of the Ponderosa Dam Across the South Fork of the Feather River, about 3 miles north-west of Forbestown.
Comment
CHSC6001
Spiraea
M. MacArthur
1968-6-19
256
Butte
SE side of Auditorium bld., Chico State College campus.
60
Comment
CHSC24504
Spiraea douglasii
M. S. Taylor
1976-6-28
1163
Butte
Along w bank of Butte Creek, ca. 25 ft s of Old Humboldt Rd, ca. 1/2 mi e of Butte Meadows.
1341
Comment
CHSC42794
Spiraea douglasii
L. P. Janeway
1987-7-4
2408
Butte
Along W Branch Feather River at bridge 1.8 mi from Inskip. Along sluggish side channel of the river.
1341
Comment
CHSC42801
Spiraea douglasii
L. P. Janeway
1987-6-26
2317
Butte
SW end of Logue Meadows.
1325
Comment
CHSC94495
Spiraea douglasii
Lowell Ahart
2006-8-15
13184
Butte
East part of a large meadow with bogs, 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
JEPS120832
Spiraea douglasii
Lowell Ahart
2013-7-1
18813
Butte
About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown.
Comment
CHSC61361
Spiranthes porrifolia
Lowell Ahart
1993-7-23
7102
Butte
On the west side of Fall River, about 100 yards west of the Bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
JEPS98321
Spiranthes porrifolia
Lowell Ahart
2000-6-6
8453
Butte
5 air miles E of Oroville Dam (old gold mining pit SE of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill)
304
Comment
UCD22593
Spiranthes porrifolia
L. K. Mann
1959-6-5
s.n.
Butte
Along road between Oroville and Peutz, north of turnoff to Oregon City.
Comment
CHSC88186
Spiranthes romanzoffiana
Lowell Ahart
2004-8-2
11325
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 Read comments Sep 6 2011
CHSC2414
Stachys ajugoides var. rigida
R. Carter
1965-6-20
244
Butte
Found 4 mi. E of intersection of Lumpkin Rd. and Forbestown Rd. on Forbestown Rd., in meadow 25' N of road; ca. 14 mi. E of Oroville.
609
Comment
CHSC42350
Stachys ajugoides var. rigida
Lowell Ahart
1987-5-27
5691
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC64045
Stachys ajugoides var. rigida
S. C. Morey
1983-8-4
716
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
UC600445
Stachys ajugoides var. rigida
H. F. Copeland
1927-9-4
Butte
Jonesville
Comment
CHSC84398
Stachys pycnantha
Lowell Ahart
2003-7-23
10439
Butte
Around the margins of ponds, Oroville Wildlife Area, about 1/4 mile west of Pacific Heights Road, about 5 miles (air) southwest of Oroville.
26
Comment
POM183148
Stachys rigida subsp. rivularis
H. F. Copeland
1930-7-26
1311
Butte
Neighborhood of Jonesville, beside Bute Creek, near mouth of Scotch-John Creek.
Comment
CHSC52209
Stachys stricta
L. P. Janeway
1988-5-30
2718
Butte
Cyn of Big Chico Cr; upper Bidwell Park, 2.8 mi along Upper Park Rd from Wildwood Ave and ca 1/4 mi NW up the slope; also ca 3/4 mi NE of the power lines.
152
Comment
CAS-BOT-BC395120
Stellaria nitens
Ahart; Jokerst
1985-3-24
4862
Butte
W of Lunt Road, about 1/2 mile N of the intersection of Lunt Road and Highway 70, N of Yankee Hill
550
Comment
SEINET10833473
Stellaria nitens
Lowell Ahart
1983-3-28
Ahart 3907
Butte
Ca 0.5 mi sw of Forbestown Reserv., along the rd in slide area, ca. 4 mi ne of Forbestown. On serpentine, Yellow Pine Forest.
450
Comment
CHSC51044
Stephanomeria virgata subsp. pleurocarpa
Vernon Oswald
1983-7-15
869
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. at the e entrance to Brown's Hole. Road cut.
231
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
SEINET10480710
Streptanthus
Mary Susan Taylor
1979-6-12
Taylor 2306
Butte
Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart.
671
Comment
SEINET10448513
Streptanthus campestris
Lowell Ahart
1983-9-17
Ahart 4434
Butte
Along edge of dirt road, ca. 2.5 mi s of Stirling City. Yellow Pine Forest; 1100 m.
1100
Comment
CAS-BOT-BC87441
Streptanthus polygaloides
Clarence R. Quick
1964-7-9
64 -54
Butte
Sierra Nevada. North of Jarbo Gap.
Comment
JEPS117225
Streptanthus tortuosus var. suffrutescens
Lowell Ahart
2010-5-16
16695
Butte
Basalt cliffs, about 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
364
Comment
CHSC65589
Styrax officinalis var. redivivus
L. P. Janeway
1995-6-20
4806
Butte
Watson Ridge; about 1.2 mi south of Pompys Point. South side of the ridge, above Road 21N25A.
1143
Comment
CHSC116483
Styrax redivivus
R. F. Thorne; E. W. Lathrop, W. Wisura
1977-7-8
49598
Butte
Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station.
Comment
SEINET10479044
Suaeda torreyana
Mary Susan Taylor, Lowell Ahart
1982-10-11
Taylor 5155
Butte
T17N R1E sw/sw sec 14. Pennington quad. Graylodge Wildlife Refuge, ca. 1/4 mi s of Rutherford Rd, on rd to parking lot 5, ca. 1/4 mi se of HQ, 12 mi sw of Gridley. 65 ft.
20
Comment
JEPS115609
Symphoricarpos albus var. laevigatus
Lowell Ahart
2009-5-23
15731
Butte
On the west edge of a meadow and the east bank of Big Chico Creek, west of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CHSC48021
Symphoricarpos mollis
Vernon Oswald; Lowell Ahart
1987-7-1
3055
Butte
Scotts John Rd. 1.3 mi N of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ENE of Jonesville.
1828
Comment
CHSC11848
Symphyotrichum ascendens
E. B. Copeland
1930-8-4
485
Butte
Jonesville.
1500
Comment
CHSC69667
Symphyotrichum chilense
Vernon H. Oswald
1983-6-14
688
Butte
Upper Bidwell Park, Chico, beside Yahi Trail E of Brown's Hole.
207
Comment
CAS-BOT-BC99042
Symphyotrichum cusickii
A. A. Heller
1914-8-7
11655
Butte
Butte Meadows
1219
Comment
CHSC46101
Symphyotrichum spathulatum var. yosemitanum
J. D. Jokerst; R. A. Schlising
1982-10-7
1655
Butte
Eastern most pond in the chain of ponds that occurs on the bench along the south edge of Coon Hollow.
1706
Comment
JEPS124323
Symphyotrichum subulatum var. elongatum
Lowell Ahart
2015-10-20
20572
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CAS-BOT-BC98326
Symphyotrichum subulatum var. parviflorum
Lowell Ahart
1981-9-10
3150
Butte
Gray Lodge, SW of Gridley.
35
Comment
SEINET10872165
Taraxacum officinale
Mary Susan Taylor
1975-3-25
Taylor 430
Butte
Chico.
Comment
CAS-BOT-BC376889
Taraxacum officinale
M. S. Taylor
1978-7-19
1759
Butte
On e side of Upper Scotts John Rd, ca. .3 mi n of its jct with Scotts John Rd, ca. 7 mi ne of Jonesville
1828
Comment
UCR190821
Tauschia
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
SEINET10454615
Tauschia kelloggii
Mary Susan Taylor
1980-5-8
Taylor 2604
Butte
T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
SEINET10906782
Tauschia kelloggii
Mary Susan Taylor
1981-5-15
Taylor 3754
Butte
T22N R5E nw sec 29, Berry Creek quad. End of spur rd 22N84A, ridge SW of Stony Creek, ca. 2.5 air mi due E of Jarbo Gap on Feather River Hwy 70. Yellow Pine Forest; 3100 ft.
945
Comment
CHSC20123
Taxus brevifolia
M. S. Taylor
1975-5-2
551
Butte
Ca. 1/4 mi e of Cohasset Rd, ca. 21 mi ne of Chico.
1036
Comment
SEINET10535993
Thalictrum fendleri
Mary Susan Taylor
1978-7-19
Taylor 1738
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
SEINET10957989
Thalictrum fendleri
R. M. Austin
Austin 146
Butte
Colby, Butte Co.
Comment
JEPS119991
Thalictrum fendleri var. polycarpum
Lowell Ahart
2012-4-30
17946 -A
Butte
On the south side of the path, near sign, southwest of the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
Comment
CHSC25274
Thymus vulgaris
K. R. Stern
1977-6-25
Butte
Comment
CHSC33688
Thysanocarpus curvipes
L. Ahart
1981-3-29
2711
Butte
Along the edge of Ponderosa Way near the Ponderosa Dam, near Forbestown.
250
Comment
RSA0039384
Thysanocarpus curvipes var. curvipes
E. B. Copeland
1903-4-10
3029
Butte
Chico.
Comment
CHSC2517
Thysanocarpus curvipes var. elegans
W. Fitzwater
1959-3-10
Butte
Along Shasta Hwy.
Comment
CHSC35747
Thysanocarpus curvipes var. elegans
R. E. Preston
1982-4-29
269
Butte
At side of Hwy 70, ca. 0.2 mi s of Butte/Plumas Co. line.
487
Comment
CHSC83906
Thysanocarpus curvipes var. elegans
Lowell Ahart
2003-4-10
10066
Butte
On the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
332
Comment
SEINET10448630
Thysanocarpus elegans
Mary Susan Taylor
1980-3-1
Taylor 2337
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
RSA0049962
Thysanocarpus radians
A. A. Heller
1928-3-12
14481
Butte
In a field near the Hooker Oak east of Chico.
Comment
SEINET11985468
Thysanocarpus radians
T. E. Lewis
1978-1
12
Butte
E of Cheerokee Rd, ca 1.5 km S of Cheerokee
400
Comment
CHSC37672
Torilis arvensis subsp. purpurea
M. S. Taylor
1982-6-24
4725
Butte
E side of Ponderosa Way (Rim Rd), 1.3 mi n of its jct with Hwy 70 at Jarbo Gap.
853
Comment
CHSC45887
Torilis arvensis subsp. purpurea
Lowell Ahart
1976-5-21
1118
Butte
Along North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC12766
Torilis nodosa
L. V. Ritter
1969-5-5
263
Butte
Ca 200 yds. w of Horseshoe Lake, Bidwell Park, 50 yds. n of the Park Rd.
Comment
SEINET10471670
Torreya californica
Mary Susan Taylor
1981-4-28
Taylor 3568
Butte
T22N R5E nw/ne sec 27, Berry Creek Quad. ca. 1/10 m N of Rd 23N28.2, ca 500 ft E of Chino Creek, ca 4 air m E of Jarbo Gap, ca 23 air m NW of Oroville. Yellow Pine Forest
853
Comment
CHSC46692
Torreyochloa pallida var. pauciflora
V. Oswald; L. Ahart
1989-8-15
3940
Butte
Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. On the edge of a snow lake located over a low ridge just n of the marshy, spring-fed lake visible from the road.
1752
Comment
CAS-BOT-BC172929
Toxicodendron diversilobum
A. A. Heller
1916-4-13
12321
Butte
Stilson [canon] Canyon of Chico
Comment
UCD139855
Toxicoscordion fremontii
A. A. Heller
1915-3-23
11776
Butte
Sacramento Valley, 11 miles north of Chico. Common a mile or two farther north of Tehama County.
Comment
CHSC21383
Trachelospermum jasminoides
M. S. Taylor; D. Hattem
1975-6-22
789
Butte
E side of Administration bldg, California State University, Chico.
Comment
CAS-BOT-BC518995
Triantha occidentalis subsp. occidentalis
E. B. Copeland
1929-7-24
349
Butte
Jonesville
1550
Comment
CHSC76009
Tribulus terrestris
Lowell Ahart; Vernon H. Oswald
1999-8-13
8137
Butte
Along the east side of the Sacramento River, northwest of Parrot Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
SEINET10870249
Tribulus terrestris
Lowell Ahart, Peter Ahart
1985-7-9
Ahart 5110
Butte
About 1/4 mile north-west of the Ponderosa Dam across the South Fork of the Feather River.
Comment
RSA755366
Trichostema lanceolatum
L. Ahart
2009-9-13
16405
Butte
On the bottom of a large wash, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 air miles south of Oroville.
30
Comment
SEINET10869923
Trichostema lanceolatum
Mary Susan Taylor
Taylor 316
Butte
61
Comment
CHSC27994
Trichostema oblongum
M. S. Taylor
1978-7-18
1684
Butte
On n side of Old Humboldt Rd, ca. 1 mi e of jct of Old Humboldt Rd and Hwy 32.
1326
Comment
POM76369
Trientalis latifolia
C. C. Bruce
1897-05
s.n.
Butte
Forest- Ranch.
Comment
CHSC95209
Trifolium albopurpureum var. albopurpureum
R. D. Fischer
2004-3-28
811
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy. 32. Collected off the road-cut bank of 10 Mile House Road mid way between Hwy 32 and the old cabin/pond site.
396
Comment
CHSC26724
Trifolium bifidum var. decipiens
M. S. Taylor; M. Hayes
1978-4-14
1548
Butte
On e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College Campus, ca. 15 mi s of Chico.
30
Comment
CHSC62744
Trifolium bifidum var. decipiens
L. P. Janeway; Barbara Castro
1993-5-8
4345
Butte
Un-named canyon on southeast side of Neal Road opposite the Butte County landfill; ca 1.5 mi northeast of Hwy 99.
76
Comment
CHSC113920
Trifolium ciliolatum
Lowell Ahart
2014-5-13
19464
Butte
Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville.
244
Comment
CHSC115278
Trifolium ciliolatum
Lowell Ahart
2015-4-27
20082
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. Foothill Woodland.
304
Comment
CHSC33122
Trifolium ciliolatum
M. S. Taylor
1981-5-15
3731
Butte
N side of Feather River Hwy 70, at Plumas NF boundary sign, ca. 2 mi ne of Jarbo Gap.
609
Comment
CHSC42944
Trifolium cyathiferum
Lowell Ahart
1987-7-3
5775
Butte
On a snad bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UCSC008268
Trifolium cyathiferum
Lowell Ahart
2006-7-19
13052
Butte
About 40 yards of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows.
1540
Comment
CDA27932
Trifolium depauperatum
T. C. Fuller
1958-4-15
Butte
Highway 99E, 4 miles northwest of Oroville.
0
Comment
POM181182
Trifolium depauperatum
A. A. Heller
1913-4-7
10732
Butte
Hills six miles N of Oroville
Comment
UCSC010326
Trifolium depauperatum
Lowell Ahart
2015-3-27
19981
Butte
about 3/8 mile northeast of Coal Canyon Falls, about 1/8 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville
389
Comment
JEPS119694
Trifolium depauperatum var. amplectens
Lowell Ahart
2012-5-2
17949
Butte
West of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico.
Comment
HSC93375
Trifolium depauperatum var. amplectens
L. Ahart
1995-5-30
7579
Butte
S of Beatson Hollow, 1/8 mi. N of Cherokee Road, N Table Mtn., 7 mi. N of Oroville.
335
Comment
JEPS119986
Trifolium depauperatum var. depauperatum
Lowell Ahart
2012-4-30
17935
Butte
On the west side of Guardian Trail about 300 yards north of Humboldt Trail, north of Bloody Pin Trail, about 1/8 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
CHSC65562
Trifolium dubium
L. P. Janeway
1995-6-6
4773
Butte
South-trending ridgetop at the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
1054
Comment
RSA755041
Trifolium dubium
L. Ahart
2009-5-15
15688
Butte
E side of Big Chico Creek, about 50 yards W of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile W of Highway 32, about 10 miles NE of Chico.
204
Comment
CDA31998
Trifolium glomeratum
L. Ahart
2008-5-3
15777
Butte
On the north side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC103682
Trifolium glomeratum
Lowell Ahart
2010-4-30
16586
Butte
Area of erosion control, disk golf area, on a ridge about 200 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
369
Comment
CHSC65204
Trifolium gracilentum
Lowell Ahart
1995-5-30
7580
Butte
Along the edge of the dirt road, about 1/10 mile south-east of the reservoir, north of Beatson Hollow, about 2 miles north-west of Cherokee Road, North Table Mountain, about 7 miles north of Oroville.
304
Comment
CDA31950
Trifolium hirtum
L. Ahart
2009-4-26
15623
Butte
In 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
Comment
CHSC103943
Trifolium hirtum
Lowell Ahart
2010-5-22
16724
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
CHSC111392
Trifolium hirtum
Lowell Ahart
2012-5-2
17975 A
Butte
On damp soil, 20 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico.
85
Comment
CHSC77426
Trifolium hirtum
Laura Bogni
1997-4-5
10
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
640
Comment
SEINET10452518
Trifolium longipes
Mary Susan Taylor
1980-4-19
Taylor 2537
Butte
S side of Humbug, NE of Centerville. With J.D. Jokerst.
366
Comment
SEINET10841158
Trifolium longipes
Mary Susan Taylor
1978-6-24
Taylor 1658
Butte
Montane Meadow, on N side of Scotts John Road, ca. 3 mi E of its junction with Old Humboldt Road, ca. 5 mi E of Jones ville; Yellow Pine Forest.
1676
Comment
CHSC26832
Trifolium longipes subsp. hansenii
M. S. Taylor; M. Hayes
1978-6-24
1658
Butte
On n side of Scotts John Rd, ca. 3 mi e of its jct with Old Humboldt Rd, ca. 5 mi e of Jonesville.
1676
Comment
UC671799
Trifolium longipes var. hansenii
H. F. Copeland
1938-7-4
Butte
Jonesville
Comment
UCD111469
Trifolium microcephalum
Michael A. Vincent; Ethan H. Freid
1998-4-6
8139
Butte
Table Mountain.
Comment
SEINET10452520
Trifolium microcephalum
Mary Susan Taylor
1981-5-5
Taylor 3598
Butte
T20N R6E se/nw sec 31. Forbestown quad. E side of Lumpkin-LaPorte Rd, 1 mi N of Enterprise Bridge over South Fork of the Feather River, ca. 10 air mi E of Oroville. Oepn grassy area surrounded by Woodland; 1500 ft.
457
Comment
SEINET12765120
Trifolium obtusiflorum
Lowell Ahart
2006-9-28
13370
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.; 0
445
Comment
JEPS87707
Trifolium oliganthum
Lowell Ahart
1994-4-16
7283
Butte
ca 12 mi se Oroville (steep e slope of w side of North Honcut Creek, Peter Ahart Ranch, ca 1 1/4 mi n and 2 3/4 mi e of Honcut); Peter Ahart Ranch
45
Comment
JEPS94314
Trifolium oliganthum
Lowell Ahart
1997-3-29
7715
Butte
about 100 yards w of North Honcut Creek (about 1 1/2 mi n and 2 1/2 mi e of Honcut, about 12 air mi se of Oroville)
60
Comment
SEINET10841161
Trifolium oliganthum
Lowell Ahart
1991-4-8
Ahart 6644
Butte
On a steep slope on the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 and 3/4 miles east of Honcut, about 12 miles southeast of Oroville. Foothill Woodland. T17N R4E S11.
46
Comment
CHSC38080
Trifolium productum
R. E. Preston
1982-7-21
351
Butte
Ca. 1 mi SE of Philbrook Reservoir.
1828
Comment
UCD80320
Trifolium variegatum
CNPS SN Foothill Team
2005-3-31
SNFN 0030 b
Butte
CDFG North Table Mountain Wildlife Area, North Table Mt. Ecological Reserve on the northern 1/2 of the mesa, in the center of the northern portion of the reserve, S of the northern canyon and N of the 'middle' canyon.
372
Comment
CHSC90383
Trifolium variegatum var. major
Thomas J. Hart
1984-3-20
10
Butte
Near Salmon Hole in Bidwell Park, Chico.
250
Comment
JEPS119772
Trifolium variegatum var. variegatum
Lowell Ahart
2012-5-12
18024
Butte
On the east side of Ten Mile House Road, about 50 yards northeast of the Guardian Trail, about 1/4 mile (air) west of Highway 32, south part of Upper Bidwell Park, about 9 miles (air) northeast of Chico.
Comment
CHSC96797
Trifolium willdenovii
Lowell Ahart
2007-4-30
13710
Butte
On the north side of Jordan Hill Road, about 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir.
484
Comment
CHSC990
Trifolium willdenovii
A. Koopman
1929-4-18
Butte
Bidwell Park.
60
Comment
SEINET10452561
Trifolium wormskioldii
Mary Susan Taylor
1978-7-18
Taylor 1725
Butte
On N side of Butte Creek, ca. 1/8 mi W of Road Island Junction, at junction of Butte Creek and Old Humboldt Road, ca. 1 mi W of Cherry Hill Campground; Yellow Pine Forest.
1524
Comment
CHSC61522
Triglochin scilloides
Lowell Ahart
1993-5-17
6948
Butte
On the bottom of a large vernal pool, on the west side of Dunstone Road, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
CHSC70856
Triglochin scilloides
Lowell Ahart
1998-4-29
7954
Butte
Northeast of the large parking area on North Table Mountain, on the east side of Cherokee Road, about 7 miles north of Oroville.
426
Comment
JEPS127196
Triglochin scilloides
Lowell Ahart
2016-5-30
20887
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
CAS-BOT-BC519596
Trillium albidum
A. A. Heller
1919-5-17
s.n.
Butte
Butte County
21
Comment
POM109151
Trillium albidum
Mrs. R. M. Austin, C. C. Bruce
1898-05
2420
Butte
Sutton House
Comment
SEINET10971355
Trillium albidum
Mary Susan Taylor
1981-5-14
Taylor 3725
Butte
T23N R6E nw sec 19, Pulga SE quad. E side of 23N94, up Wildcat Creek, ca. 1 mi W of Four Trees and Oroville- Quincy Hwy. Partial shade, lush and green; 4500 ft.
1372
Comment
CHSC28999
Triphysaria eriantha
M. S. Taylor
1980-4-1
2415
Butte
Between Norte Dam Blvd and Hwy 99, and the Skyway and Humboldt Rd, just e of Chico. Area soon to be developed.
70
Comment
CHSC90165
Triphysaria eriantha
Jose Romero
1983-4-20
13
Butte
Site located on the Oroville Wildlife Area. Junction of Larkin and Timothy Rds., 4 mi. s.w. of Oroville.
45
Comment
UCR237302
Triphysaria eriantha subsp. eriantha
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18753
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
UC600791
Trisetum canescens
H. F. Copeland
1930-7-28
Butte
near head of So. Willow Creek; Jonesville
1828
Comment
CAS-BOT-BC193490
Trisetum cernuum
L. W. Swift
1934-5-8
107
Butte
S. Challenge, Plumas National Forest
914
Comment
UC203840
Triteleia bridgesii
A. A. Heller
1914-5-8
11379
Butte
near Clear Creek school house
Comment
SEINET10472707
Triteleia bridgesii
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4089
Butte
T21N R5E sec 31. Along Bloomer Hill Rd, ca. 1.3 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 450 m.
450
Comment
CHSC90570
Triteleia hyacinthina
Paula J. Minton
1980-4-20
Butte
E of Chico, ca. 8.1 mi on Hwy 32 from jct. of Hwy 99, ca. 300 ft s of Hwy 32 and 75 ft n of Santos Way.
487
Comment
UC1377791
Triteleia hyacinthina
John Ingram
1960-4-6
509
Butte
roadsides along Pentz Road near junction with Clark Road (near Paradise)
Comment
SEINET12044728
Triteleia hyacinthina
L. S. Rose
1933-1
33194
Butte
Bangor
267
Comment
SEINET12048532
Triteleia hyacinthina
L. J. Newsum
1984-1
13
Butte
Cana Hwy, 110ft W of Hwy. 99, 10 mi N of Chico
61
Comment
CHSC100900
Triteleia ixioides subsp. anilina
R. A. Schlising
1980-6-10
3663
Butte
Carpenter Ridge, along Humboldt Road, 1.9 miles northeast of junction with Highway 32 at Lomo.
1356
Comment
CHSC46419
Triteleia ixioides subsp. anilina
Lowell Ahart
1989-5-29
6324
Butte
East of Mooreville Ridge, about 2 air miles north of the Lost Creek Dam, south of the west branch of Pinkard Creek.
1188
Comment
CHSC29727
Triteleia ixioides subsp. unifolia
J. D. Jokerst
1980-4-17
601
Butte
Top of North Table Mountain, N of Cherokee Rd.
426
Comment
UC726500
Triteleia ixioides subsp. unifolia
A. A. Heller
1938-4-14
15032 a
Butte
n of Oroville; Table Mountain Summit
Comment
CAS-BOT-BC525792
Triteleia ixioides subsp. unifolia
A. A. Heller
1938-4-14
15032 a
Butte
Table Mountain, Upper Sonoran Life Zone
304
Comment
CHSC2816
Triteleia laxa
David Prall
1965-3-14
5
Butte
Ca. 30 yds. South of Neal Rd., 1 mile east of Highway 99E.
106
Comment
CHSC3269
Triteleia laxa
M. L. Hillier
1966-4-9
33
Butte
Near the Bidwell Municipal Golf course.
Comment
RSA21170
Triteleia laxa
Carl B. Wolf
1937-5-14
8661
Butte
Sierra Nevada Foothills, 2.5 miles SE of Oroville on road to Wyandotte.
91
Comment
SEINET10533661
Triteleia laxa
H. E. Brown
1897-4-15
Brown 178
Butte
Collected near Clear Creek. 175 feet.
Comment
CHSC4075
Triteleia lilacina
H. E. Lindahl
1967-4-6
10
Butte
Located 1.1 mi. n of county dump on Neal Road.
152
Comment
UC725436
Triteleia lilacina
A. A. Heller
1938-4-11
15023
Butte
n of Chico (slope n of the golf links)
91
Comment
UCD80435
Triteleia lilacina
CNPS SN Foothill Team
2005-4-14
SNFN 0034 a
Butte
Private Rock Ranch, near the southeast corner of the Rock Ranch pasture, ca. 45 m from the southern fence and 30 m west of the eastern fence.
98
Comment
UCD93612
Tuctoria greenei
Beecher Crampton
1958-8-12
5069
Butte
10 miles SE of central portion of Chico, 0.4 mile S of junction of Pentz Road with U.S. Highway 99E.
Comment
CHSC24641
Turritis glabra
S. Deaton
1976-4-14
20
Butte
3 mi n of Feather Falls parking lot and 20 ft off w side of Falls trail.
914
Comment
SEINET10567548
Typha angustifolia
Mary Susan Taylor
1978-7-22
Taylor 1849
Butte
On SE corner of Richvale East Road and Erickson Road, Richvale; in rice field.
30
Comment
CHSC2359
Typha domingensis
D. Bower
1953-8-3
Butte
3A Llano Seco. Marsh.
30
Comment
CHSC38891
Typha domingensis
Vernon Oswald
1983-6-2
616
Butte
Upper Bidwell Park, Chico, at Diversion Dam.
121
Comment
UCD94946
Typha latifolia
E. M. Johnston
1915-1
s.n.
Butte
Biggs.
Comment
CAS-BOT-BC91085
Umbellularia californica
R. F. Hoover
1965-10-16
9721
Butte
Deer Creek Road east of Chico.
Comment
CHSC10694
Umbellularia californica
Lowell Ahart
1961-3-3
Butte
Salmon Hole, Chico.
91
Comment
SEINET10475769
Umbellularia californica
Mary Susan Taylor
1979-3-20
Taylor 1948
Butte
T21N R4E nw1/4 sec. 21. Cherokee Quad. Along old road on N side of Hwy 70 following West Branch of the Feather River, which begins at S side of bridge over N fork of Feather River, ca. 10 mi N of Oroville; limestone outcrops within Foothill Woodland.
305
Comment
CHSC8169
Uropappus lindleyi
D. McClain
1969-4-24
104
Butte
Along ditch at corner of Pentz Rd. and Pentz-Magalia Rd.
365
Comment
CHSC34218
Urtica dioica subsp. holosericea
M. S. Taylor
1981-5-28
3807
Butte
Near sewage disposal ponds on River Rd, ca. 3 mi sw of Chico.
42
Comment
CHSC48052
Urtica urens
L. P. Janeway
1989-11-14
3651
Butte
City of Chico; Salem Ave between W 8th and 9th Streets.
57
Comment
CHSC77163
Vaccinium parvifolium
Loren Gehrung
1996-10-16
123
Butte
Watson Ridge. On both side of USFS Rd 21N25A. This collection from south side of road.
1158
Comment Read comments Feb 8 2016
UCD166770
Vaccinium shastense subsp. nevadense
Len Lindstrand III
2013-6-5
s.n.
Butte
Bean Creek Road, approximately 0.50 mi. north of Little Bald Rock, in an unnamed drainage tributary to Brush Creek.
1021
Comment
CAS-BOT-BC193410
Vaccinium uliginosum
H. F. Copeland
1929-6-9
1227
Butte
Jonesville
1524
Comment
CAS-BOT-BC391343
Velezia rigida
John Thomas Howell; H. Keith Wagnon
1980-5-26
53580
Butte
Feather River Canyon Highway, 2.4 miles southwest of Pulga Bridge
Comment
CHSC43285
Verbena hastata
Lowell Ahart
1987-8-30
5872
Butte
Near Highway 70, about 1/4 mile south of Clark Road (191), about 1/2 mile north-east of Oroville Chico Highway (149).
91
Comment
JEPS98352
Verbena hastata
Lowell Ahart
2000-6-21
8495
Butte
3 1/3 air miles NE of Manzanita Avenue, Chico (S of Parking Area P, N of the Salmon Hole, Upper Bidwell Park)
106
Comment
CHSC20515
Verbena lasiostachys var. lasiostachys
M. S. Taylor
1975-6-25
803
Butte
Along Mud Creek, ca. 1/2 mi n of Richardson Springs Hotel, ca. 7 mi ne of Chico.
243
Comment
CHSC41904
Veronica americana
Lowell Ahart
1976-9-21
1197
Butte
Along the South Fork of the Feather River, near Golden Trout Crossing, about 3 miles west of the Sly Creek Dam.
609
Comment
CHSC42874
Veronica arvensis
Lowell Ahart
1987-5-12
5626
Butte
South of Lumpkin Ridge Road, south of the dirt road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
JEPS108992
Veronica catenata
Lowell Ahart
2006-10-8
13426
Butte
Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House
609
Comment
CHSC1910
Veronica persica
H. Summers
1938-4-1
Butte
Bidwell Park.
60
Comment
CHSC50045
Vicia americana var. americana
Lowell Ahart
1990-4-8
6444
Butte
On the south side of Pacific Heights Road, about 3 1/2 miles southwest of Oroville.
33
Comment
JEPS115816
Vicia sativa subsp. nigra
Lowell Ahart
2009-4-26
15635
Butte
About 10 miles northeast of Chico, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road. On the east side of Ten Mile House Road, just northeast of Guardians Trail
381
Comment
CHSC100977
Vicia sativa subsp. sativa
L. P. Janeway
2008-4-2
9244
Butte
Northern Sierra Nevada Foothills. Oroville; along high flat bank on east side of Feather River between Thermalito Diversion Dam and the Fish Barrier Dam. Stable slope northwest-facing along trail at northeast end of Oroville Nature Center Road.
65
Comment
CHSC92577
Vicia sativa subsp. sativa
L. P. Janeway
2005-3-10
8351
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Road 1.8 km northeast of Bruce Road.
134
Comment
UCD110662
Viola adunca subsp. adunca
H. F. Copeland
1929-6-10
s.n.
Butte
Jonesville.
1524
Comment
CHSC24667
Viola douglasii
Kristy Dudley
1976-3-30
4
Butte
Population ca 50 yd w of Table Mountain Rd, 6.5 mi n of Oroville.
213
Comment
CHSC41124
Viola douglasii
F. Jay Fuller
1983-3-17
103
Butte
30 yards south of Munjar Road, 1 mile east of Meridian Road, 8 miles northwest of Chico.
77
Comment
UC1762373
Viola douglasii
Freed Hoffman
1951-3-19
3850
Butte
Table Mountain, summit
Comment
RSA589929
Viola douglasii
Michael A. Vincent, Robert M. Rhode, Jim Snowden
1996-3-29
7223
Butte
North Table Mountain, W of Cherokee Rd, N of Oroville. S side Beatson Hollow, ca. 1.15 airmiles NW of entrance on Cherokee Rd.
Comment
CAS-BOT-BC530160
Viola lobata
H. F. Copeland
1929-7-13
384
Butte
near Jonesville
1550
Comment
CAS-BOT-BC530167
Viola lobata
A. A. Heller
1939-4-10
15370
Butte
near Cohasset
Comment
CHSC3848
Viola lobata subsp. lobata
L. E. Dunkel
1965-4-20
25
Butte
Plants scattered along road in Cohassett.
855
Comment
CHSC45731
Viola lobata subsp. lobata
J. Marr
1988-3-24
20
Butte
10 ft on s side of Concow Rd. 6 mi w from Hwy 70, 18 mi n of Oroville.
633
Comment
UC108618
Viola lobata subsp. lobata
D. Cleveland
1882-8-4
Butte
West Branch
Comment
SEINET10480210
Viola macloskeyi
Mary Susan Taylor
1981-5-14
Taylor 3726
Butte
T23N R6E nw sec 19, Pulga SE quad. E side of 23N94, up Wildcat Creek, ca. 1 mi W of Four Trees and Oroville- Quincy Hwy. Partial shade, lush and green; 4500 ft.
1372
Comment
CHSC27222
Viola odorata
P. Moyer
1972-3-11
117
Butte
CSUC Campus. 20 ft. w of n entrance to L.S. Bridge on So-wil-len-no Ave.
60
Comment
CHSC51062
Viola priceana
L. P. Janeway
1990-3-15
3656
Butte
Campus of CSU, Chico; around fire hydrant about 20 ft W of S end of bridge between Physical Sciences Bldg and Holt Hall; along Big Chico Creek.
59
Comment
CAS-BOT-BC175685
Viola purpurea
Lowell Ahart
1982-5-8
3416
Butte
About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown
800
Comment
UCD111158
Viola purpurea
H. F. Copeland
1929-6-10
s.n.
Butte
Jonesville.
1524
Comment
CHSC27978
Viola purpurea subsp. dimorpha
M. S. Taylor
1978-7-18
1715
Butte
On e side of Humbolt Peak in Red Fir Forest, at Humbolt Summit.
2133
Comment
CHSC37142
Viola purpurea subsp. purpurea
L. Ahart
1982-6-4
3535
Butte
1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CHSC47516
Viola purpurea subsp. purpurea
Lowell Ahart
1982-6-4
3535
Butte
1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls.
1280
Comment
UC140852
Viola purpurea subsp. quercetorum
Mrs. R. M. Austin
July 1896
Butte
Colby
Comment
CAS-BOT-BC203024
Vitis californica
John Thomas Howell
1961-9-22
36751
Butte
Feather River Highway 3 miles from Oroville
Comment
CAS-BOT-BC203030
Vitis californica
Lowell Ahart
1987-5-9
5591
Butte
Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga
365
Comment
UCD80614
Vulpia microstachys
CNPS SN Foothill Team
2005-3-31
SNFN 0031 a
Butte
CDFG North Table Mountain Wildlife Area, in the Table Mt. Ecological Reserve on a 'lava finger' in the middle of the northern portion of the reserve.
364
Comment
CHSC54382
Vulpia microstachys var. ciliata
M. Bailey
1991-4-5
561
Butte
Butte College Campus. Ca 100 feet w of the Recycling Center on Butte Campus Drive.
85
Comment
CHSC93452
Vulpia microstachys var. ciliata
Lowell Ahart
2006-5-10
12619
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga.
354
Comment
CHSC96622
Vulpia microstachys var. ciliata
L. P. Janeway
2006-4-30
8566
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
UC618964
Vulpia microstachys var. ciliata
F. W. Embree
1934-4-26
40
Butte
3 mi nw Honcut; Marysville Quad.
30
Comment Read comments May 17 2012
CAS-BOT-BC183964
Vulpia microstachys var. microstachys
Lowell Ahart
1982-6-4
3553
Butte
Ca. 1.5 mi. E of Camp 18, ca. 8 mi. E of Feather Falls
1000
Comment
CAS-BOT-BC184182
Vulpia microstachys var. pauciflora
A. A. Heller
1918-5-5
13011
Butte
Near Magalia
Comment
CHSC31745
Vulpia microstachys var. pauciflora
L. Ahart
1972-5-8
100
Butte
Bottom of a wash, Peter Ahart Ranch, Honcut.
45
Comment
CHSC83923
Vulpia microstachys var. pauciflora
Lowell Ahart
2003-4-10
10056
Butte
Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
320
Comment
SEINET10893339
Vulpia microstachys var. pauciflora
A. Arthur Heller
1918-5-5
Heller 13011
Butte
Near Magalia in the yellow pine and oak belt (Q. Kelloggii) on sepentine, where Cuppressus Macnabiana is locally plentiful, the common shrubs Ceanothus cuneatus and Eriodictyon.
Comment
CHSC101294
Vulpia myuros var. hirsuta
Lowell Ahart
2009-4-17
15550
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
SEINET10508433
Vulpia myuros var. hirsuta
Mary Susan Taylor
1980-5-27
Taylor 2701
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-BC178582
Vulpia myuros var. myuros
Lowell Ahart
1989-5-23
6265
Butte
Along Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north of Bangor.
426
Comment
CHSC98976
Vulpia myuros var. myuros
Lowell Ahart
2008-5-12
14738
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
258
Comment
CAS-BOT-BC77351
Woodsia scopulina
H. F. Copeland
1938-8-8
s.n.
Butte
Jonesville
2133
Comment
CAS-BOT-BC77798
Woodwardia fimbriata
Lowell Ahart
1980-9-10
2634
Butte
3 miles north-east of Milsap Bar
1100
Comment
CHSC43
Woodwardia fimbriata
V. Holt
1932-10-1
Butte
De Sabla.
822
Comment
SEINET10530088
Woodwardia fimbriata
Mary Susan Taylor
1976-4-4
Taylor 1062
Butte
Yellow Pine Forest, ca. 2-5 mi W of junction of Ponderosa Way and Hwy 32, ca. 2-10 ft N and S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata, Calochortus monophyllus.
488
Comment
CAS-BOT-BC382895
Wyethia angustifolia
Lowell Ahart
1989-5-28
6301
Butte
West of the Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville
335
Comment
CHSC436
Wyethia angustifolia
M. Roberson
1956-4-23
Butte
SW of Paradise along Skyway.
426
Comment
CHSC40666
Wyethia bolanderi
J. D. Jokerst; L. Ahart
1984-3-20
1949
Butte
Adjacent to and n of Ponderosa Rd. (Bloomer Rd.) at a point 1.45 miles n of its junction with Hwy 162, 3 miles SW of Berry Creek.
Comment
CAS-BOT-BC383628
Xanthium spinosum
Lowell Ahart
1982-10-11
3851
Butte
North of the check-in-station, Gray Lodge, about 12 miles south-west of Gridley
35
Comment
POM219528
Xanthium spinosum
H. F. Copeland
1923-7-9
596
Butte
Mud Creek Ranch
Comment
JEPS108957
Xanthium strumarium
Lowell Ahart
2006-9-11
13278
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
SJSU767
Zeltnera muehlenbergii
A. W. Jacobs
1942-6-26
Butte
c. 14 mi S of Oroville on Hwy 24
Comment
CHSC2420
Zeltnera venusta
R. Carter
1965-6-15
228
Butte
Found .5 mi. N of Derrick Rd. on Old Cherokee Rd. along W side of road, North Table Mt., ca. 8 mi. N of Oroville.
335
Comment