Species Details

Digitaria californica var. californica

Arizona cottontop

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Scientific Name:
Digitaria californica (Benth.) Henrard var. californica
Common Name:
Arizona cottontop
Family: Poaceae
Element Code: PMPOA27051
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5T5
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
added to 2.3 on 2006-09-14
Add Date: 2006-09-14
Date Edited: 2021-12-09
Lifeform: perennial herb
Blooming Period: Jul-Nov
Elevation:
290 - 1490 meters
950 - 4890 feet
General Habitat:
  • Mojavean desert scrub
  • Sonoran desert scrub
General Micro Habitat:
Micro Habitat:
  • Rocky
Notes:
See Bot. Voy. Sulph. 55 (1881) for original description and Madrono 52(4): 271 (2005) for information on the first record in CA.
Threats:
Taxonomy:
Other:
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 3
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 2
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), New Mexico (NM), South America (SA), Texas (TX)
California Counties and Islands: Name (Code)
Imperial (IMP), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Bard (3211475), Earthquake Valley (3311614), Pinto Valley (3511523)
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.

Map

Presumed Extant
Counties   Quads