Taxon Report

Penstemon tracyi Keck

Tracy's beardtongue

Print Report


©2005 Dianne Fristrom

  Classification

Scientific Name:
Penstemon tracyi Keck
Common Name:
Tracy's beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L6A0
USDA Plants Symbol: PETR
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Aug Jun-Aug
Elevation: 1980-2210 (6495-7250)
General Habitats: Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 2
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 5
California Endemic:  True
California Counties and Islands: Name (Code)
Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Caribou Lake (4112218), Dedrick (4012371), Rush Creek Lakes (4012278), Thompson Peak (4112311), Thurston Peaks (4012382)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
3 38 %
Other 2 25%
Recreational use (non-ORV) 1 12%
Road/trail construction/maint. 1 12%

Notes

Known from fewer than ten occurrences. See American Midland Naturalist 23:603-605 (1940) for original description.
Threats:
Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].