Regularity: Regularly occurring
Global Range: California endemic, San Bernardino Mountains in San Bernardino County.
Comments: Pebble (Pavement) plain, pinyon and juniper woodland, upper montane coniferous forest; granitic, quartzite, or carbonate.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 21 - 80
Comments: 51 EOs. However, 43 are ranked as unknown (CNDDB 2012).
National NatureServe Conservation Status
Rounded National Status Rank: N2 - Imperiled
NatureServe Conservation Status
Rounded Global Status Rank: T2 - Imperiled
Reasons: Endemic to California, Dudleya abramsii ssp. affinis is known only from the San Bernardino Mountains in San Bernardino County. Development and limestone mining are threats to this taxon.
Comments: Development and limestone mining. Some localized threats include exotic species, illegal trash dumping, ORVs, horse tramping (trails in close proximity) and trampling by hikers.
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