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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CHSC100501
Polygonum aviculare
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15409
Butte
On the north side of the gravel road, about 50 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
67
Comment
CHSC107246
Polygonum aviculare
Lowell Ahart
2011-6-3
17364
Butte
Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico.
60
Comment
CHSC112725
Polygonum aviculare
Lowell Ahart
2013-10-26
19217
Butte
South side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
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
CHSC116331
Polygonum aviculare
Lowell Ahart
2015-10-20
20575
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
CHSC20497
Polygonum aviculare
M. S. Taylor
1975-5-24
770
Butte
Abundant weed in lawns, 1456 Arcadian, Chico.
60
Comment
CHSC26625
Polygonum aviculare
M. P. Hayes
1977-9-4
122
Butte
Growing on disturbed ground near organic gardens on Butte College Campus at the corner of Clark and Pentz roads.
90
Comment
CHSC27247
Polygonum aviculare
P. Moyer
1972-3-4
103
Butte
CSUC campus. 2nd and Ivy parking lot.
60
Comment
CHSC28012
Polygonum aviculare
M. S. Taylor
1978-7-21
1793
Butte
Lake Madrone at its jct with Oroville-Quincy Hwy ca. 10 mi ne of Oroville.
609
Comment
CHSC28569
Polygonum aviculare
M. S. Taylor; J. D. Jokerst
1979-11-11
2281
Butte
Scattered on edge of ricefield. Ca. 6 mi s of Chico, on w side of Goospeed-Watt Rd.
33
Comment
CHSC31216
Polygonum aviculare
M. S. Taylor
1980-10-6
3359
Butte
N side of Hwy 70 in granitic gravel, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop.
487
Comment
CHSC31768
Polygonum aviculare
L. Ahart
1980-5-10
2232
Butte
Peter Ahart Ranch, ca, 2,5 mi n and 1/4 mi e of Honcut, in farmed field.
50
Comment
CHSC38612
Polygonum aviculare
Vernon Oswald
1983-5-31
596
Butte
Upper Bidwell Park, Chico, at the Rifle and Trap Range. Gowing in hard, disturbed soil of the parking lot.
103
Comment
CHSC38613
Polygonum aviculare
Vernon Oswald
1983-6-27
772
Butte
Upper Bidwell Park, Chico, at the Horse Arena. Growing in disturbed soil in the parking lot.
79
Comment
CHSC41905
Polygonum aviculare
Lowell Ahart
1976-9-21
1200
Butte
Along a dirt road, about 1/8 mile east of the Golden Trout Crossing, east of the South Fork of the Feather River, about 3 miles west of the Sly Creek Dam.
762
Comment
CHSC42052
Polygonum aviculare
Lowell Ahart
1986-11-9
5453
Butte
On the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CHSC43265
Polygonum aviculare
Lowell Ahart
1987-9-24
5893
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC46193
Polygonum aviculare
L. P. Janeway; C. A. Janeway
1986-10-5
1911
Butte
Along Pine Creek at Cana Hwy. Gravel bar along the creek.
48
Comment
CHSC46194
Polygonum aviculare
L. P. Janeway; C. A. Janeway
1986-10-5
1912
Butte
Along Pine Creek at Cana Hwy. Gravel bar along the creek.
48
Comment
CHSC46195
Polygonum aviculare
L. P. Janeway; C. A. Janeway
1986-10-5
1913
Butte
Along Pine Creek at Cana Hwy. Gravel bar along the creek.
48
Comment
CHSC46204
Polygonum aviculare
L. P. Janeway
1986-10-19
1940
Butte
Wet area along small creek feeding Thermalito Forebay from the NE. Between bay and hwy 99 and just N of the State Park picnic grounds.
67
Comment
CHSC46878
Polygonum aviculare
Vernon Oswald
1989-9-6
3991
Butte
Between the Midway and the railroad at Butte Creek, ca. 1.5 mi sse of Durham. Rancho Esquon. Common weed on hard-packed soil of a parking area on the north edge of the creek.
30
Comment
CHSC47685
Polygonum aviculare
Lowell Ahart
1989-9-21
6393
Butte
Along the south edge of the gravel road, south of French Creek, about 1 mile west of the Sly Creek Reservoir.
1158
Comment
CHSC83052
Polygonum aviculare
Lowell Ahart
2002-10-17
9991
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
CHSC92508
Polygonum aviculare
Lowell Ahart
2005-12-11
12521
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
CHSC94653
Polygonum aviculare
Lowell Ahart
2006-9-28
13372
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
CHSC9535
Polygonum aviculare
M MacArthur
1968-6-17
300
Butte
SW yard of Building D along So-will-lon-no Street on the Chico State College campus.
60
Comment
JEPS121259
Polygonum aviculare
Lowell Ahart
2013-10-26
19217
Butte
S side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
Comment
JEPS121981
Polygonum aviculare
Lowell Ahart
2014-7-7
19563
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
Comment
POM181761
Polygonum aviculare
H. F. Copeland
1923-7-4
559
Butte
Nelson
Comment
SEINET10479334
Polygonum aviculare
Mary Susan Taylor
1980-10-6
Taylor 3359
Butte
T23N R5E se sec 15, Pulga quad. S side of Hwy 70, ca. 0.4 mi W of Bear Creek jct with N Fork Feather River, ca. 0.5 mi W of Arch Rock Tunnel Rest Stop, near Butte-Plumas county line; granitic soils.
488
Comment
SEINET10838838
Polygonum aviculare
Mary Susan Taylor
1975-5-24
Taylor 770
Butte
Lower Bidwell park, between Cork Oak Grove and Cypress Grove Picnic Area, Chico.
61
Comment
SEINET10871692
Polygonum aviculare
Mary Susan Taylor
1978-7-21
Taylor 1793
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
SEINET10904502
Polygonum aviculare
Mary Susan Taylor
1979-11-11
Taylor 2281
Butte
T20 N R1E. Ca. 6 mi S of Chico, on W side of Goodspeed-Watt Road. With Jim Jokerst.
34
Comment
CHSC112247
Polygonum aviculare subsp. aviculare
Lowell Ahart
2013-4-29
18658
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
CHSC113603
Polygonum aviculare subsp. aviculare
Lowell Ahart
2014-8-24
19728
Butte
On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
611
Comment
CHSC46585
Polygonum aviculare subsp. aviculare
V. Oswald; L. Ahart
1989-7-21
3870
Butte
Junction of Willow and Colby Creeks on the n side of Humboldt Rd, ca. 1 mi w of Jonesville. Common on an open alluvial flat on the w side of Colby Creek.
1487
Comment
CHSC71261
Polygonum aviculare subsp. aviculare
Lowell Ahart
1998-7-1
8035
Butte
Along the fence, east of the cow chute and on the east side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment Read comments Jan 19 2011
JEPS122293
Polygonum aviculare subsp. aviculare
Lowell Ahart
2014-8-24
19728
Butte
On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
Comment
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
UC1192352
Polygonum aviculare subsp. aviculare
Herbert L. Mason, Verne Grant
1946-9-3
13098
Butte
3 mi W of Colusa
Comment
UC1564727
Polygonum aviculare subsp. aviculare
V. Oswald and L. Ahart
1989-7-21
3870
Butte
junction of Willow Creek and Colby Creek (on n side of Humbold Rd ca 1 mi w of Jonesville, w side of Colby Creek)
1487
Comment
CAS-BOT-BC413923
Polygonum aviculare subsp. aviculare
John Thomas Howell
1962-6-16
37564
Butte
Magalia
731
Comment
CAS-BOT-BC413924
Polygonum aviculare subsp. aviculare
Lowell Ahart
1980-5-10
2232
Butte
Peter Ahart Ranch, Honcut
50
Comment
CDA43082
Polygonum aviculare subsp. depressum
L. P. Janeway
2011-10-2
10780
Butte
Sacramento Valley.; South end of Chico; along west side of Hwy 99 0.6 km south of Skyway/East Park Ave and 0.3 km south of Comanche Creek.
Comment
CHSC101808
Polygonum aviculare subsp. depressum
Lowell Ahart
2009-6-12
15846
Butte
At Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC108544
Polygonum aviculare subsp. depressum
L. P. Janeway
2011-10-20
10780
Butte
Sacramento Valley. South end of Chico; along west side of Hwy 99 0.6 km south of Skyway/East park Ave and 0.3 km south of Comanche Creek.
66
Comment
CHSC110252
Polygonum aviculare subsp. depressum
L. P. Janeway
2012-10-11
11075
Butte
Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines.
895
Comment
CHSC113210
Polygonum aviculare subsp. depressum
Lowell Ahart
2014-4-25
19407
Butte
Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale.
30
Comment
UCD100080
Polygonum aviculare subsp. depressum
John Thomas Howell
1962-6-16
37564
Butte
Magalia.
731
Comment
CAS-BOT-BC414190
Polygonum aviculare subsp. depressum
John Thomas Howell
1961-9-22
36743
Butte
Bank of Feather River, Oroville
53
Comment
CAS-BOT-BC414191
Polygonum aviculare subsp. depressum
Lowell Ahart
1976-9-21
s.n.
Butte
Along the edge of the road 1/8 mile east of Golden Trout Crossing, a bridge across South Fork Feather Riv; about 3 miles west of Sly Creek Reservoir
Comment
CAS-BOT-BC414192
Polygonum aviculare subsp. depressum
Lowell Ahart
1987-9-24
5893
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CAS-BOT-BC414193
Polygonum aviculare subsp. depressum
Lowell Ahart
1986-11-9
5453
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville
36
Comment
CAS-BOT-BC414194
Polygonum aviculare subsp. depressum
Lowell Ahart
1989-9-21
6393
Butte
South of French Creek, about 1 mile west of the Sly Creek Reservoir
1158
Comment
CAS-BOT-BC414195
Polygonum aviculare subsp. depressum
A. A. Heller
1919-8-9
13349
Butte
At Chico
Comment
CAS-BOT-BC414196
Polygonum aviculare subsp. depressum
A. A. Heller
1919-8-9
13349
Butte
At Chico
Comment
UCD99986
Polygonum aviculare subsp. depressum
H. F. Copeland
1923-6-4
s.n.
Butte
Nelson.
Comment
CHSC50680
Polygonum aviculare subsp. neglectum
Lowell Ahart
1990-7-1
6532
Butte
On the north edge of the dirt road, south-west of the Forbestown Generator, on the south side of the Forbestown Reservoir.
487
Comment
UC1562374
Polygonum aviculare subsp. neglectum
Lowell Ahart
1990-7-1
6532
Butte
sw Forbestown Generator (on s side of reservoir); Forbestown Reservoir
487
Comment