CPC National Collection Plant Profile
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Eutrema penlandii
Family: |
Brassicaceae |
Common Names: |
Penland alpine fen mustard, Penland's eutrema |
Author: |
Rollins |
Growth Habit: |
Forb/herb |
CPC
Number: |
1921 |
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Primary
custodian for this plant in the CPC National Collection of Endangered
Plants is: |
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Carol Dawson contributed to this Plant Profile. |
Eutrema penlandii
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Eutrema penlandii is a small herbaceous perennial usually found on south- and east-facing flat to gently sloping benches with steep walls that provide some protection from snow-melting winds (Smith 1993). This species is an ice age relict; its closest relative is the arctic species, E. edwardsii, which is found 2000 km to the north in the Canadian Arctic Archipelago. (Roy et al. 1993)
Distribution
& Occurrence |
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State Range
Habitat
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Alpine tundra, moss-covered peat fens with perennial subirrigation due to snowmelt and calcareous substrate derived from limestone or dolomite. Elev. 12,300-13,100 ft. (Spackman 1997) |
Distribution
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Endemic to the Mosquito Range in central Colorado (Park and Summit Cos.) (Spackman 1997) |
Number Left
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8 small occurrences totaling 5,200 plants along the Continental Divide in central CO. (Smith 1993) |
State/Area
Protection
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State/Area |
Rank |
Status |
Date |
|
| |
Colorado |
S1S2 |
1 |
5/1/1999 |
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Conservation,
Ecology & Research |
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Ecological
Relationships
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Hydrology is the most fragile aspect of the alpine fen mustard's habitat. The peat fens that it grows in are maintained by perennial subirrigation. The plant actually grows sympatrically with bryophytes which provide a moist, stable, microsite. (Smith 1993) |
Threats
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Threats include off-road vehicles, mining activities, groundwater acidification, ditch construction (Smith 1993, USFWS 1993). |
Current Research Summary
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Soil moisture/pH requirements, seed germination (Kelso et al. 1991, 1992). |
Current Management Summary
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There is no formal management plan. |
Research Management Needs
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Population monitoring and understanding the general reproductive biology and ecology of this species. |
Ex Situ Needs
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Seed collection needed for long-term seed storage. |
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Books (Single Authors)
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Kartesz, J.T. 1993. Species distribution data for vascular plants of 70 geographical areas, from unpublished data files at the North Carolina Botanical Garden.
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Kartesz, J.T. 1996. Species distribution data at state and province level for vascular plant taxa of the United States, Canada, and Greenland (accepted records), from unpublished data files at the North Carolina Botanical Garden.
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Mohlenbrock, R.H.; ?. ?. Dwindling Plants of the Rocky Mountain States.
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Rollins, R.C. 1993. The Cruciferae of continental North America: Systematics of the mustard family from the Arctic to Panama. Stanford, California: Stanford University Press. 976p.
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Spackman, S.; Jennings, B.; Coles, J.; Dawson, C.; Minton, M.; Kratz, A.; Spurrier, C.; Skadelandl, T. 1997. Colorado Rare Plant Field Guide. Fort Collins, CO: Prepared for the Bureau of Land Management, the U.S. Forest Service, and the U.S. Fish & Wildlife Service by the Colorado Natural Heritage Program.
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Von Bargen, E.; Coles, J.; Denham, M.; Jennings, W.; Martin, S.C.; Richards, V.; Steinkamp, M. 1997. Rare Plants of Colorado. Helena, Montana: Falcon Press. Prepared by the Colorado Native Plant Society.
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Weber, W.A.; Wittmann, R.C. 1996. Colorado flora: Eastern slope. Niwot, Colorado: Univ. Press of Colorado. 524p.
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Books (Sections)
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Kartesz, J.T. 1999. A synonymized checklist of the vascular flora of the U.S., Canada, and Greenland. In: Kartesz, J.T.; Meacham, C.A., editors. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden. Chapel Hill, NC.
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Conference Proceedings
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Kelso, S.; Roy, G.; Tonnesen, A. Habitat Requirements of Eutrema penlandii (Brassicaceae): A Rare Endemic of the Mosquito Range, Central Colorado. Proceedings of the Southwestern Rare and Endangered Plant Conference; 30 March - 2 April; Santa Fe, NM. In: Sivinski, R.; Lightfoot, K., editors. 1992. New Mexico Forestry and Resources Conservation Division. p 71-77.
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Journal Articles
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Roy, G.; Kelso, S.; Tonnesen, A. 1993. Habitat Characteristics of Eutrema penlandii (Brassicaceae) in the Colorado Rockies: A Study of Alpine Endemism. Madroņo. 40, 4: 236-245.
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USFWS. 1990. Proposal to Determine the plant Eutrema penlandii (Penland alpine fen mustard) to be a threatened species. Federal Register. 55, 199: 41725-41729.
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USFWS. 1993. Review of plant taxa for listing as endangered or threatened species. Federal Register. 58, 188: 51144-51190.
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USFWS. 1993. The plant Eutrema penlandii (Penland alpine fen mustard) determined to be a threatened species. Federal Register. 58, 143: 40539-40547.
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Reports
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Kelso, S.; Roy, G.; Tonnessen, A. 1991. Soil moisture and pH requirements of Eutrema penlandii in Colorado. Colorado Springs, CO: U.S. Fish and Wildlife Services. p.7.
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Schwendinger, R.B.; Carlson, G.K., ; Spielman, Jr., C.O. 1991. Status Report on Eutrema penlandii Rollins as a result of field investigations in Park, Summit, Gunnison, Chaffee, and Clear Creek Counties, Colorado, in July and August, 1991. Golden, CO: Submitted to Lee Carlson, U.S. Fish and Wildlife Service by Alma American Mining Corporation. p.46. Unpublished report.
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Theses
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Hardwick, Renea Chris. 1997. Population genetics of the rare alpine endemic Eutrema penlandii Rollins (Brassicaceae): Implications for conservation and management. [M.A. Thesis]: University of Colorado at Denver. Denver, CO. 77p.
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This
profile was updated on 3/4/2010 |
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