Species Details

Micropus amphibolus

Mt. Diablo cottonweed

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Photo of Micropus amphibolus
© 2008 Aaron Arthur
Photo of Micropus amphibolus
© 2008 Aaron Arthur
Photo of Micropus amphibolus
2014 Russell Huddleston
Lifeform: annual herb
Blooming Period: Mar-May
JFMAMJJASOND
Elevation:
45 - 825 meters
150 - 2705 feet
General Habitats:
  • Broadleafed upland forest
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Move to List 4? Can be confused with M. californicus. Many occurrences old; need current status information. Potentially threatened by vineyard development. See Proceedings of the American Academy of Arts and Sciences 17:214 (1882) for original description.
Threats:
Taxonomy:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lake (LAK), Marin (MRN), Monterey (MNT), Napa (NAP), San Joaquin (SJQ), Santa Cruz (SCR)
Quads: Name (Quad Code)
Ano Nuevo (3712213), Cedar Mtn. (3712155), Felton (3712211), Kelseyville (3812287), Laurel (3712118), Petaluma River (3812225), San Francisco North (3712274), San Miguel (3512076), Spreckels (3612156), Yountville (3812243)
Notes:
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
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