Taxon Report

Penstemon stephensii Bdg.

Stephens' beardtongue

Print Report



  Classification

Scientific Name:
Penstemon stephensii Bdg.
Common Name:
Stephens' beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L5W0
USDA Plants Symbol: PEST
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jun Apr-Jun
Elevation: 1160-1850 (3805-6070)
General Habitats: Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat: Carbonate (usually), Rocky
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 28
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 2
   Fair (C) 1
   Poor (D) 1
   None (X) 0
   Unknown (U) 23
California Endemic:  True
California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)
Quads: Name (Quad Code)
Bighorn Basin (3411576), Blackwater Mine (3511577), Brown Buttes (3411566), Budweiser Wash (3411577), Columbia Mtn. (3511514), East of Kingston Peak (3511567), Fountain Peak (3411585), Horse Thief Springs (3511578), Kingston Peak (3511568), North of Tecopa Pass (3511681), Old Woman Statue (3411552)

Threat List Data from the CNDDB

Threat List Total: 4
EOs with Threat Listed: Total EOs % of EOs
4 14 %
Mining 2 7%
Non-native animal impacts 2 7%
Other 1 3%
Recreational use (non-ORV) 1 3%
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].