Home/Species/ Rocky Mountain Beardtongue

Penstemon cyathophorus

Rydb.

Rocky Mountain Beardtongue

G3Vulnerable Found in 3 roadless areas NatureServe Explorer →

G3VulnerableGlobal Rank

MediumThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.135086

Element CodePDSCR1L1S0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderPlantaginales

FamilyPlantaginaceae

GenusPenstemon

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Rank MethodLegacy Rank calculation - Excel v3.1x

Review Date2018-11-12

Change Date1998-11-23

Edition Date2018-11-12

Edition AuthorsAnnable, C. (1992), rev. L. Morse (1998, 2000), rev. A. Tomaino (2018)

Threat ImpactMedium

Range Extent5000-20,000 square km (about 2000-8000 square miles)

Number of Occurrences21 - 80

Rank Reasons

Regional endemic of north-central Colorado and southeastern Wyoming. This species has a limited distribution in a large habitat. Threats from oil and gas development are anticipated to be increasing.

Range Extent Comments

Regional endemic of north-central Colorado and southeastern Wyoming. In Colorado, known from sagebrush shrublands of Middle and North Park (NatureServe Network Database as of November 2018). In Wyoming, known from the Sierra Madre and North Platte River Valley in Carbon County (Fertig 2000).

Occurrences Comments

In Colorado, known from at least 15-30 occurrences (J. Handwerk, pers. comm., 2018). There are approximately 10 extant occurrences in Wyoming (NatureServe Network Database as of November 2018).

Threat Impact Comments

There are low to moderate levels of threats from energy extraction, grazing, OHV use and invasive species (J. Handwerk, pers. comm., 2018; NatureServe Network Database as of November 2018). There is an anticipated increase in drilling/oil and gas development in a substantial portion of its range (J. Handwerk, pers. comm., 2018). Other threats include collection (Fertig 2000).

Ecology & Habitat

Habitat

Habitat is rocky, clay-loam soils in sagebrush hills and flats, Artemisia nova or A. tridentata grasslands on montane slopes and terraces (Harrington 1964; Spackman et al. 1997; Fertig 2000).

Terrestrial Habitats

Shrubland/chaparralGrassland/herbaceous

Other Nations (1)

United StatesN3

Province	Rank	Native
Wyoming	S2	Yes
Colorado	S3	Yes

Threat Assessments

Threat	Scope	Severity	Timing
2 - Agriculture & aquaculture	Restricted (11-30%)	Slight or 1-10% pop. decline	—
2.3 - Livestock farming & ranching	Restricted (11-30%)	Slight or 1-10% pop. decline	—
3 - Energy production & mining	Restricted (11-30%)	Moderate or 11-30% pop. decline	—
3.1 - Oil & gas drilling	Restricted (11-30%)	Moderate or 11-30% pop. decline	—
5 - Biological resource use	Small (1-10%)	Slight or 1-10% pop. decline	—
5.2 - Gathering terrestrial plants	Small (1-10%)	Slight or 1-10% pop. decline	—
6 - Human intrusions & disturbance	Small (1-10%)	Moderate or 11-30% pop. decline	—
6.1 - Recreational activities	Small (1-10%)	Moderate or 11-30% pop. decline	—
8 - Invasive & other problematic species, genes & diseases	Small (1-10%)	Moderate or 11-30% pop. decline	—
8.1 - Invasive non-native/alien species/diseases	Small (1-10%)	Moderate or 11-30% pop. decline	—

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (3)

Colorado (1)

Area	Forest	Acres
Dome Peak	Routt NF	35,716

Wyoming (2)

Area	Forest	Acres
Illinois Creek	Medicine Bow-Routt National Forest	6,711
Platte River Addition	Medicine Bow-Routt National Forest	7,962

References (3)

Fertig, W. 2000. January 4 last update. <i>Penstemon cyathophorus </i>State Species Abstract, Wyoming Natural Diversity Database. Online. Available: https://www.uwyo.edu/wyndd/_files/docs/reports/speciesabstracts/penstemon_cyathophorus.pdf (accessed 12 November 2018).
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Spackman, S., B. Jennings, J. Coles, C. Dawson, M. Minton, A. Kratz, and C. Spurrier. 1997. Colorado rare plant field guide. Prepared for Bureau of Land Management, U.S. Forest Service and U.S. Fish and Wildlife Service by Colorado Natural Heritage Program.

Penstemon cyathophorus

Habitat

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