Regularity: Regularly occurring
Global Range: Juniper-Pinyon Woodland and upper edge of Navajoan Desert. Utah in southeast Washington Co. and in south Kane Co.; Arizona along Utah border north of Pipe Spring, Mohave Co.
Habitat and Ecology
Comments: Sand or sandy soils of flats, dunes, and valleys in woodland areas at 1,200-2,100.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 6 - 20
Comments: Seventeen EO's (Benson 1982).
Life History and Behavior
IUCN Red List Assessment
Red List Category
Red List Criteria
National NatureServe Conservation Status
Rounded National Status Rank: N3 - Vulnerable
NatureServe Conservation Status
Rounded Global Status Rank: G3 - Vulnerable
Reasons: Limited distribution.
Comments: Most cacti subject to horticultural collecting.
Names and Taxonomy
Comments: Recognized as a full species by Kartesz (1999); has also been treated as a variety of Opuntia basilaris (e.g., by Kartesz, 1994) or as a variety of O. erinacea (as by Welsh).