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Stemless Beardtongue
Penstemon acaulis
NatureServe conservation status
Global (G-rank): G2
State (S-rank): S2
External links
Phenology
This plant usually flowers starting mid-May through late June depending on precipitation levels in the spring.
Species range
Narrow endemic of southwestern Wyoming (Sweetwater County) and northeastern Utah (Daggett County). A few plants have been sighted in the corner of Colorado (Moffat County).
Threats or limiting factors
Locations are threatened by recreational activities in the Flaming Gorge Natural Resource Area and by their presence on privately owned lands. One Utah population is in an area where a large population of deer winter, but no negative impact by deer has been confirmed. Additionally, trampling by livestock in a number of areas was noted in 2011 (Jouseau 2012). Drought and other aspects of climate change may also be a threat to this species given the region where it is found has a high evapotranspiration rate and low rainfall (Jouseau 2012). Long term drought is occurring throughout the range of this species (Jouseau 2012). There are roads and utility line (transmission) near occurrences.
