Species Details

Calystegia atriplicifolia ssp. buttensis

Butte County morning-glory

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Photo of Calystegia atriplicifolia ssp. buttensis
©2018 Sierra Pacific Industries
Photo of Calystegia atriplicifolia ssp. buttensis
©2018 Sierra Pacific Industries
Photo of Calystegia atriplicifolia ssp. buttensis
©2009 Dean Wm. Taylor, Ph.D.
Scientific Name:
Calystegia atriplicifolia Hallier f. ssp. buttensis Brummitt
Common Name:
Butte County morning-glory
Family: Convolvulaceae
Element Code: PDCON04012
USDA Plants Symbol: CAATB
Synonyms/Other Names:
CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G5T3
State Rank:
Other Status:
CRPR Changes:
changed from 1B.2 to 4.2 on 2009-04-30
Add Date: 1984-01-01
Date Edited: 2021-10-04
Lifeform: perennial rhizomatous herb
Blooming Period: May-Jul
565 - 1524 meters
1855 - 5000 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Roadsides (sometimes)
  • Rocky
Possibly threatened by logging and road maintenance. Can be variable. Plants from DNT Co. intermediate to ssp. atriplicifolia, and plants from MEN Co. (600A) need confirmation. See Kew Bulletin 35(2):327 (1980) for original description.
Total Occurrences: 121
Element Occurrence Ranks:
3 34 16 4 0 64
Occurrence Status:
Historical >20 Years 38
Recent <=20 Years 83
Presumed Extant 121
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Del Norte (DNT), Mendocino (MEN)?, Shasta (SHA), Tehama (TEH)
Quads: Name (Quad Code)
Barkley Mtn. (4012126), Bell Springs (3912385), Big Bend (4112118), Butte Meadows (4012115), Chalk Mtn. (4012187), Cohasset (3912186), Devils Parade Ground (4012116), Devils Rock (4012271), Goose Gap (4012281), Hatchet Mtn. Pass (4012177), Hiouchi (4112471), Ishi Caves (4012117), Jonesville (4012114), Kimshew Point (3912184), Montgomery Creek (4012178), Onion Butte (4012125), Paradise East (3912175), Paradise West (3912176), Roaring Creek (4012188), Shoeinhorse Mtn. (4112211), Stirling City (3912185)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.


Presumed Extant
Counties   Quads