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thickleaf beardtongue
Penstemon pachyphyllus var. pachyphyllus
NatureServe conservation status
Global (G-rank): G5T3?
State (S-rank): S3
External links
Species range
Estimate from download of data from Utah Rare Plant Database on January 22, 2024.
Geocat observations: 34 Extent of Occurrence: 15,347.706 km2.
Historic observations over 40 years old were not used.
Shadscale, sagebrush-grass, pinyon-juniper, oak, Douglas fir, aspen fir, and spruce-fir communities at 1340 to 3200 m in Carbon, Duchesne, Uintah, Utah, and Wasatch, counties.; a Northern Uplands endemic; Welsh et al. (2015).
Sandy to gravelly sagebrush shrublands, pine-juniper, Gambel oak, ponderosa pine, and bristlecone pine woodlands. (Flora of North America, accessed 2024).
This variety likely extends eastward into neighboring northwestern Colorado (Intermountain Biota herbarium records, accessed 2024).
Threats or limiting factors
Threats to this species are not well documented. Threats compiled using observations and notes from Utah Rare Plant Database and Utah Geospatial Resource Center GIS Data downloaded in 2024. Severity of impacts are not well known so ranges are provided where appropriate.
Roughly two thirds of occurrences are within grazing allotments where they may be impacted by cattle and sheep. Oil and gas development is a threat to this species especially for occurrences in the Book Cliffs and Tavaputs plateau. Roads and road maintenance may be impacting some occurrences. Around 37% of the occurrences of Penstemon pachyphyllus var. pachyphyllus are on or near forest service multi use roads, 91% are on or near general roads, and 35% are on or near reported major roads. Climate change and drought may also be impacting the species throughout it's range. Penstemon pachyphyllus is used for seeding in disturbed areas and some disturbance like fire may be beneficial.
