Species Details

Mammillaria grahamii var. grahamii

Graham fishhook cactus

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Scientific Name:
Mammillaria grahamii Engelm. var. grahamii
Common Name:
Graham fishhook cactus
Family: Cactaceae
Element Code: PDCAC0A021
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4T4
State Rank:
S2
Other Status: SB_CalBG/RSABG; SB_USDA
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
added to 2.2 on 2010-04-06
Add Date: 2010-04-06
Date Edited: 2021-06-03
Lifeform: perennial stem
Blooming Period: Apr-Sep
Elevation:
300 - 900 meters
985 - 2955 feet
General Habitat:
  • Sonoran desert scrub (gravelly, rocky)
General Micro Habitat:
Micro Habitat:
Notes:
Potentially threatened by road maintenance.
Threats:
Taxonomy:
Other:
Total Occurrences: 10
Element Occurrence Ranks:
A B C D X U
0 0 1 0 0 9
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 9
Presence:
Presumed Extant 10
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), New Mexico (NM), Texas (TX)
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Gene Wash (3411432), Savahia Peak (3411435), Whipple Mts. SW (3411434), Whipple Wash (3411433)
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