CPC National Collection Plant Profile

Schoenocrambe barnebyi

Photographer:
C.R. Delmatier

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CPC National Collection Plant Profile

Schoenocrambe barnebyi


Family: 
Brassicaceae  
Common Names: 
Barneby reed-mustard, Barneby thelypody, Sye's Butte plainsmustard
Author: 
(Welsh & Atwood) Rollins
Growth Habit: 
Forb/herb
CPC Number: 
3871

Distribution
Protection
Conservation
References


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Schoenocrambe barnebyienlarge
Photographer: C.R. Delmatier
Image Owner: NPS

Schoenocrambe barnebyienlarge
Photographer: C.R. Delmatier
Image Owner: NPS


Schoenocrambe barnebyi is Fully Sponsored
Primary custodian for this plant in the CPC National Collection of Endangered Plants is: 
Sylvia Torti contributed to this Plant Profile.

 
Schoenocrambe barnebyi


This species was listed as Federally Endangered in 1992, and since that time the number of plants in the two remaining populations has increased from approximately 1,000 plants to a little over 2,000 plants (USFWS 1992; Clark and Groebner 2000).

Barneby's reed mustard is a perennial herbaceous plant found only in south-central Utah. Plants are 10-25 cm tall with smooth stems. Flowers are produces from late April to mid-June, produces on racemes that contain 2-28 flowers each. The sepals of these flowers are green to violet, with papery margins. The flowers themselves are whit to lavender, with conspicuous purplish veins. This species is in the Brassicaceae family, and it produces seed pods called siliques. (Clark and Groebner 2000)

Distribution & Occurrence

State Range
  Utah
State Range of  Schoenocrambe barnebyi
Habitat
  This species grows on red clay soils rich in selenium and gypsum, overlain with sandstone talus at elevations between 1646-1753 meters. Populations are found on steep slopes, generally on northern exposures. Associated plant species are sagebrush, rabbitbush and Ephedra. (USFWS 1992)

Distribution
  Known only from two populations in central Utah, one in Capitol Reef National Park and the other the San Rafael Swell. (USFWS 1992)

Number Left
  Only two known populations known, totaling approximately 2000 individuals. (Clark and Groebner 2000)

Protection

Global Rank:  
G1
 
4/9/2009
Guide to Global Ranks
Federal Status:  
LE
 
10/24/1996
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  Utah S1 6/1/1998  

Conservation, Ecology & Research

Ecological Relationships
  Unknown.

Threats
  • Potential uranium mining activity
• Recreational development
• Foot traffic from visitors to Capitol Reef National Park
(USFWS 1994)

Current Research Summary
  None

Current Management Summary
  Currently managed by the BLM and Park Service at Capitol Reef National Park.

Research Management Needs
 

Ex Situ Needs
  This plant has not yet been germinated from seed. Tissue culture might be tried.

References

Books (Single Authors)

Welsh, S.L.; Atwood, N.D.; Goodrich, S.; Higgins, L.C. 1993. A Utah flora. Provo, Utah: Brigham Young Univ. 986p.

Conference Proceedings

Clark, D.J.; Groebner, C.M. Determining Habitat Potential and Surveying for Nine Rare Plant Species in South-Central Utah. Southwestern rare and endangered plants: proceedings of the third conference; September 25-28; Flagstaff, AZ. In: Maschinski, Joyce; Holter, Louella, editors. 2000. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. Fort Collins, CO (Proceedings RMRS-P-23). p 38-43.

Heil, K.D.; Porter, M.; Flemming, R.; Rome, W. Rare Plant Diversity Between Capital Reef National Park and Canyonlands, Arches National Parks and Bridges National Monument of Southeastern Utah. 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 78-102.

Electronic Sources

(2002). Rare Plant Profiles. [Searchable Web site] State of Utah Natural Resources, Division of Wildlife Resources. http://www.utahcdc.usu.edu/rsgis2/Search/SearchSelection.asp?Group=PLANT&Species=PLANT. Accessed: 2002.

Journal Articles

1988. Status Summary. Idaho Native Plant Society Newsletter: Sage Notes.

1988. Threatened and Endangered Plants Summary. Sego Lily: Newsletter of the Utah Native Plant Society. 15: 2.

Franklin, B. 1996. Uinta Basin's Reed-Mustards. Sego Lily: Newsletter of the Utah Native Plant Society. 19

USFWS. 1991. Proposal to Determine Two Utah Plants, Schoenocrambe argillacea (clay reed-mustard) and Schoenocrambe barnebyi (Barneby reed-mustard), to be Endangered. Federal Register. 56, 71: 14910-14914.

USFWS. 1992. Final Rule to Determine the Plant Schoenocrambe argillacea (Clay Reed-Mustard) To Be a Threatened Species, and the Plant Schoenocrambe barnebyi (Barneby Reed-Mustard) To Be an Endangered Species. Federal Register. 57: 1398-1403.

Reports

Kass, R.J. 1990. Final report of habitat inventory of threatened, endangered and candidate plant species in the San Rafael Swell, Utah.

USFWS. 1994. Utah reed-mustards: clay reed-mustard (Schoenocrambe argillacea), Barneby reed-mustard (Schoenocrambe barnebyi), shrubby reed-mustard (Schoenocrambe suffrutescens) recovery plan. Denver, Colorado: U.S. Fish and Wildlife Service. p.22.


  This profile was updated on 3/4/2010
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