Erigeron ochroleucus var. ochroleucus
Klaus' Fleabane
Taxonomic Status: Accepted
Related ITIS Name(s): Erigeron ochroleucus var. ochroleucus Nutt. (TSN 527950)
Unique Identifier: ELEMENT_GLOBAL.2.155804
Element Code: PDAST3M2V3
Informal Taxonomy: Plants, Vascular - Flowering Plants - Aster Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Asterales Asteraceae Erigeron
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Concept Reference
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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.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Erigeron ochroleucus var. ochroleucus
Taxonomic Comments: USFWS uses name Erigeron lackschewitzii (spelled "lackschewitz" in the notice of review) (9/93).
Conservation Status
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NatureServe Status

Global Status: G5T4
Global Status Last Reviewed: 21May1999
Global Status Last Changed: 21May1999
Rounded Global Status: T4 - Apparently Secure
Reasons: Erigeron ochroleucus var. ochroleucus is known in Montana from only five element occurrences in Teton and Flathead Counties, Montana. Its distribution covers a much wider range in Wyoming, covering seventeen counties in the central and northern regions of the state. Gas and oil exploration is a potential threat.
Nation: United States
National Status: N4
Nation: Canada
National Status: NNR

U.S. & Canada State/Province Status
United States Montana (S4S5), South Dakota (SNR), Wyoming (S4)
Canada Alberta (SNR)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Teton and Flathead Counties, Montana, and central and north Wyoming (17 counties).

Number of Occurrences:  
Number of Occurrences Comments: 5 known element occurrences in Montana; more common in Wyoming.

Overall Threat Impact Comments: Habitat is not prone to human disturbance; however, area is being searched for gas and oil.

Intrinsic Vulnerability Comments: Unknown.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Teton and Flathead Counties, Montana, and central and north Wyoming (17 counties).

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States MT, SD, WY
Canada AB

Range Map
No map available.

Ecology & Life History
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General Description: Front Range fleabane is a taprooted perennial with a simple or sparingly-branched rootcrown and curved, unbranched stems that are 3-8 cm high. The basal leaves are 2-6 cm long and narrowly spoon-shaped with pointed tips. The 5-10 stem leaves are gradually reduced upwards. The foliage is sparsely to densely covered with long white hairs. The solitary flower heads are 10-15 mm wide, and the involucral bracts are green, 6-8 mm long, and densely covered with long, white hairs and sessile glands. The 30-70 blue rays are 8-11 mm long and notched at the tips. The yellow disk corollas are 3-5 mm long. There are 15-24 pappus bristles at the top of the achenes.
Diagnostic Characteristics: ERIGERON is a large and difficult genus to distinguish; a technical key should be consulted. The taprooted habit, blue ray flowers, and densely long-hairy involucre should help distinguish this species from others.
Habitat Comments: Rocky slopes and meadows near or above timberline.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 20May1999
NatureServe Conservation Status Factors Author: Shelly, J.S., and P. Lesica (1985), rev. D. Gries (1997), rev. L. Morse (1999)
Element Ecology & Life History Edition Date: 22Oct1994
Element Ecology & Life History Author(s): JM

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • Dorn, R.D. 1988. Vascular plants of Wyoming. Mountain West Publishing, Cheyenne, WY. 340 pp.

  • Heidel, B. L. 1993. Report on the conservation status of ERIGERON LACKSCHEWITZII, a candidate threatened species. Unpublished report to U.S. Fish and Wildlife Service. Montana Natural Heritage Program, Helena, MT. 57 pp.

  • 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.

  • Kerstetter, T. 1993. Preliminary report on taxonomy of Erigeron lackschewitzii. Unpublished report to U.S. Fish and Wildlife Service. Montana Natural Heritage Program, Helena, MT. 12 pp.

  • Kerstetter, T. 1994a. Interim report on the taxonomy of Erigeron lackschewitzii. Unpublished report to the Montana Natural Heritage Program, Helena, MT. 16 pp.

  • Kerstetter, T. A. 1994b. Taxonomic investigation of Erigeron lackschewitzii. M.S. thesis. Montana State University, Bozeman, Montana. 90 pp.

  • Nesom, G. L. and W. A. Weber. 1983. A new woolly-headed, monocephalous ERIGERON (ASTERACEAE) from Montana. Madrono 30:245-249.

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