Home/Species/ Creutzfeldt's Cat's-eye

Oreocarya creutzfeldtii

(S.L. Welsh) R.B. Kelley

Creutzfeldt's Cat's-eye

G2Imperiled Found in 1 roadless area NatureServe Explorer →

G2ImperiledGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.154904

Element CodePDBOR0A3G0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderLamiales

FamilyBoraginaceae

GenusOreocarya

Synonyms

Cryptantha creutzfeldtiiWelsh

Other Common Names

Creutzfeldt's Cryptantha (EN) Creutzfeldt's cryptantha (EN)

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 Date2015-11-13

Change Date1991-07-19

Edition Date2015-12-16

Edition AuthorsB. Franklin(1995), rev. B. Franklin (1996), rev. A. Treher (2015)

Threat ImpactUnknown

Range Extent1000-5000 square km (about 400-2000 square miles)

Number of Occurrences6 - 20

Rank Reasons

A narrow endemic of Carbon and Emery counties, Utah, where it is restricted to the Mancos Shale Formation. less than 15 extant populations with one of them containing 60-70% of the surveyed individuals on a total area of about 14 acres. Threats include residential and commercial development, oil and gas development, irrigation canal and reservoir construction, and grazing by livestock.

Range Extent Comments

Occurs on the Colorado Plateau; scattered locations along the south base of the Book Cliffs and southwest along the east base of the Wasatch Plateau, in western Carbon and Emery counties, Utah, USA.

Occurrences Comments

Eighteen occurrences but five are historic. Extensive searching completed on Forest Service land for additional populations, but more is needed on Bureau of Land Management's land.

Threat Impact Comments

Threats include the expansion of reservoirs and the maintenance of reservoirs, irrigation canals, livestock (grazing), oil and gas development, off road vehicles,

Ecology & Habitat

Habitat

Barren clay knolls and shaley slopes of the Mancos Shale Formation in shadscale (Atriplex confertifolia) and mat-saltbush (Atriplex corrugata) communities at 1600-2073 m (5249-6801 feet) elevation; in silty-clay soils of the Blue Gate Member of the Mancos Shale that is often overlain by a veneer of fragments from the overlying Emery Sandstone.

Terrestrial Habitats

DesertBarrens

Other Nations (1)

United StatesN2

Province	Rank	Native
Utah	S2	Yes

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (1)

Utah (1)

Area	Forest	Acres
Muddy Creek - Nelson Mt.	Manti-Lasal National Forest	59,034

References (5)

Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1984. Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Vol. 4, Subclass Asteridae (except Asteraceae). New York Botanical Garden, Bronx. 573 pp.
Flora of North America Editorial Committee (FNA). In Press. Flora of North America north of Mexico. Vol. 15. Magnoliophyta: Fouquieriaceae to Boraginaceae. Oxford Univ. Press, New York.
Franklin, M. A. 1992. Report for 1991 Challenge Cost Share Project, Manti-La Sal National Forest. Target species: <i>Cryptantha creutzfeldtii</i> (Creutzfeldt-flower, Creutzfeldt cryptanth). Utah Natural Heritage Program, Utah Department of Natural Resources. Unpublished report on file Utah Natural Heritage Program, Salt Lake City, Utah. Pp. 1-8 + appendices.
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.
Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.