S3?
Vulnerable in NM either because rare and uncommon, or found only in a restricted range (even if abundant at some locations), or because of other factors making it vulnerable to extirpation. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.
The numeric rank is inexact.
Phlox austromontana (Desert Mountain Phlox)
Cespitose perennial from a taproot; mat forming; numerous stems occasionally more erect, 1 dm tall; plants subglabrous or loosely hairy upward, not glandular; intercostal membranes of the calyx with a firm, low, linear, median keel; corolla white or ...