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.

Jerry Oldenettel at www.flickr.com/photos/jroldenettel (2010)

Penstemon pseudoparvus (San Mateo Penstemon)

Compact herbaceous perennial from a woody rhizome; stems 1-5, 10-30(32) cm high, 1.0-2.3 mm in diameter at the base, finely puberulent; leaves moderately thick, opaque, minutely puberulent and soon glabrescent or puberulent merely on the midvein, fai...