CPC National Collection Plant Profile

Eutrema penlandii

Photographer:
J. Dawson

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CPC National Collection Plant Profile

Eutrema penlandii


Family: 
Brassicaceae  
Common Names: 
Penland alpine fen mustard, Penland's eutrema
Author: 
Rollins
Growth Habit: 
Forb/herb
CPC Number: 
1921

Distribution
Protection
Conservation
References


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Eutrema penlandiienlarge
Photographer: J. Dawson
Image Owner: Personal

Eutrema penlandiienlarge
Photographer: J. Dawson
Image Owner: Personal


Eutrema penlandii is Fully Sponsored
Primary custodian for this plant in the CPC National Collection of Endangered Plants is: 
Carol Dawson contributed to this Plant Profile.

 
Eutrema penlandii


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

State Range
  Colorado
State Range of  Eutrema penlandii
Habitat
  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
  Endemic to the Mosquito Range in central Colorado (Park and Summit Cos.) (Spackman 1997)

Number Left
  8 small occurrences totaling 5,200 plants along the Continental Divide in central CO. (Smith 1993)

Protection

Global Rank:  
G1G2
 
5/22/2006
Guide to Global Ranks
Federal Status:  
LT
 
10/24/1996
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  Colorado S1S2 1 5/1/1999  

Conservation, Ecology & Research

Ecological Relationships
  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
  Threats include off-road vehicles, mining activities, groundwater acidification, ditch construction (Smith 1993, USFWS 1993).

Current Research Summary
  Soil moisture/pH requirements, seed germination (Kelso et al. 1991, 1992).

Current Management Summary
  There is no formal management plan.

Research Management Needs
  Population monitoring and understanding the general reproductive biology and ecology of this species.

Ex Situ Needs
  Seed collection needed for long-term seed storage.

References

Books (Single Authors)

Kartesz, J.T. 1993. Species distribution data for vascular plants of 70 geographical areas, from unpublished data files at the North Carolina Botanical Garden.

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.

Mohlenbrock, R.H.; ?. ?. Dwindling Plants of the Rocky Mountain States.

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.

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.

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.

Weber, W.A.; Wittmann, R.C. 1996. Colorado flora: Eastern slope. Niwot, Colorado: Univ. Press of Colorado. 524p.

Books (Sections)

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.

Conference Proceedings

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.

Journal Articles

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.

USFWS. 1990. Proposal to Determine the plant Eutrema penlandii (Penland alpine fen mustard) to be a threatened species. Federal Register. 55, 199: 41725-41729.

USFWS. 1993. Review of plant taxa for listing as endangered or threatened species. Federal Register. 58, 188: 51144-51190.

USFWS. 1993. The plant Eutrema penlandii (Penland alpine fen mustard) determined to be a threatened species. Federal Register. 58, 143: 40539-40547.

Reports

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.

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.

Theses

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.


  This profile was updated on 3/4/2010
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