Utah Species Field Guide | Utah Natural Heritage Program
Utah Species Field Guide Utah Species Field Guide
Marcus Jones' Penstemon (Penstemon marcusii)

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Photo by springlake1; springlake1; zharkikh; Ty Harrison
springlake1; springlake1; Andrey Zharkikh; Ty Harrison

Marcus Jones' Penstemon

Marcus Jones' Penstemon (Penstemon marcusii)

Photo by springlake1; springlake1; zharkikh; Ty Harrison
springlake1; springlake1; Andrey Zharkikh; Ty Harrison

Penstemon marcusii

NatureServe conservation status

Global (G-rank): G2
State (S-rank): S2

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Species range

Penstemon marcusii is endemic to the Navajo Basin in Utah and can be found in Carbon, Emery, and Grand counties.

Threats or limiting factors

The main threats to this species are habitat loss due to expansion of urban footprint and energy development. Some occurrences (on BLM) are in grazing allotments. Drought is also likely impacting this species. Frates Feb. 2020 (UNPS accessed 2024): the Jerry's Point occurrence (see Sego Lily articles by Ty Harrison of July 2016 and later by Normam Anderson Fall 2019) is currently being disturbed by a bulldozer, plants have been directly impacted, and this occurrence may soon be lost. Harrison reported that the type location at the Price City cemetery had been destroyed by a new city park and BMX facility.

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Multicellular organisms that are autotrophic or make complex carbohydrates from basic constituents. Most use photosynthesis.

Flowering plants that produce seeds enclosed in an ovary

Multicellular organisms that develop from the fertilization of an egg by a sperm. Heterotrophic - obtain food by ingestion.

Have skulls and backbones.

Cold blooded, lay eggs on land

Have feathers and lay eggs

Invertebrates with an exoskeleton, jointed appendages, and segmented bodies

Animals having 3 pair of legs, 3 body sections, generally 1 or 2 pair of wings, 1 pair of antennae.

Soft bodied animals with an internal or external shell and a toothed tongue or radula. Have a mantle that lines and secretes the shell and a muscular foot that allows for movement.

Two hinged lateral shells and a wedged shaped "foot". Bivalves lack tentacles and a head.


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