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You are here: Home / Microbes / Species Profiles / Butternut Canker
Species Profiles

Butternut Canker

Butternut canker - Invasive.orgScientific name: Sirococcus clavigignenti-juglandacearum Nair, Kostichka
& Kuntz (CABI)

Common name: Butternut canker

Click image to enlarge

Selected Resources

Native To: Unknown, possibly Asia (Furnier et al. 1999)

Date of U.S. Introduction: First detected in 1967, but may have been present before then (Farlee et al. 2010)

Means of Introduction: Unknown (Ostry et al. 2004)

Impact: Lethal disease of butternut trees (Juglans cinerea) (Farlee et al. 2010)

Current U.S. Distribution: Northeastern and Midwestern U.S.


Selected Resources:

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Gallery of Pests - Butternut Canker
Nature Conservancy. Don't Move Firewood.

Invasive Species Compendium - Sirococcus clavigignenti-juglandacearum
CAB International.

Plantwise Technical Factsheet - Butternut Canker (Sirococcus clavigignenti-juglandacearum)
CABI. Plantwise Knowledge Bank.

EPPO Global Database - Sirococcus clavigignenti-juglandacearum
European and Mediterranean Plant Protection Organization.

Global Invasive Species Database - Sirococcus clavigignenti-juglandacearum (fungus)
IUCN. Species Survival Commission. Invasive Species Specialist Group.

Invaders Factsheet - Butternut Canker
Ontario's Invading Species Awareness Program (Canada).

International Government

Forest Invasive Alien Species - Butternut Canker
Natural Resources Canada. Canadian Forest Service.

State Government

Potential Loss of Butternut from Iowa's Forests (PDF | 329 KB)
Iowa Department of Natural Resources. Forestry.
See also: Forest Health Threats for more fact sheets

Butternut Restoration Project
New Hampshire Division of Forests and Lands.


Conservation and Management of Butternut Trees (2010; PDF | 717 KB)
Purdue University Extension. Forestry and Natural Resources (Indiana).
Publication FNR-421-W
See also: Forestry and Natural Resources publications

Butternut Canker Disease (Aug 13, 2012)
University of Vermont. Forest Pathology.
Publication XHT1142

Wisconsin Horticulture - Butternut Canker
University of Wisconsin. Cooperative Extension.


Trees in Trouble - Butternut
Forest Gene Conservation Association (Canada).


CABI. Invasive Species Compendium. Sirococcus clavigignenti-juglandacearum. CAB International. [Accessed Mar 28, 2015].

Farlee, L., K. Woeste, M. Ostry, J. McKenna, and S. Weeks. 2010. Conservation and Management of Butternut Trees (PDF | 717 KB). Purdue University Extension. Publication FNR-421-W.

Furnier, G.R., A.M. Stolz, R.M. Mustaphi, and M.E. Ostry. 1999. Genetic evidence that butternut canker was recently introduced into North America (PDF | 236 KB). Canadian Journal of Botany 77(6):783-785.

Ostry, M.E. and K. Woeste. 2004. Spread of butternut canker in North America, host range, evidence of resistance within butternut populations and conservation genetics. In: C.H. Michler et al. (Eds.), Black Walnut in a New Century, Proceedings of the 6th Walnut Council Research Symposium (General Technical Report NC-243, pp.114-120). St. Paul, Minn.: U.S. Forest Service, North Central Research Station.

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Last Modified: Apr 13, 2018
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