Geosmithia morbida M. Kolarík, E. Freeland, C. Utley & TisseratInvasive    Synonyms: TCD, Thousand Cankers Disease.
Kingdom Fungi   >   Phylum Ascomycota   >   Class Sordariomycetes   >   Order Hypocreales   >   Family Incertae-sedis   >   Genus Geosmithia   


Thousand Cankers Disease is a regulated invasive species in the US (MISC 2022).


"Thousand cankers disease (TCD) is a disease complex native to the western United States and primarily affects Black Walnut (Juglans nigra). This disease is the result of the combined activity of a fungus (Geosmithia morbida) and the Walnut Twig Beetle (Pityophthorus juglandis)." (Thousand Cankers Disease web site).

There is 1 record in the project database.

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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here:

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