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Diplodia tumefaciens Diplodia tumefaciens gall on the trunk of a mature Quaking Aspen (Populus tremuloides) about 50 years old. Corky Bark Disease,Diplodia tumefaciens,Geotagged,Minnesota,Populus tremuloides,Quaking Aspen,United States,Winter,fungus,gall Click/tap to enlarge PromotedSpecies introCountry intro

Diplodia tumefaciens

Diplodia tumefaciens gall on the trunk of a mature Quaking Aspen (Populus tremuloides) about 50 years old.

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The Corky Bark Disease

A fungus that forms large black woody galls and rough-bark on the trunks and branches of poplar species (Populus). These may be single or concrescent, wart-like, and more or less globose or oval.

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Similar species: Botryosphaeriales
Species identified by Gary B
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By Gary B

All rights reserved
Uploaded Mar 14, 2019. Captured Jan 22, 2017 12:52 in 4408 Miller Rd, Barnum, MN 55707, USA.
country flag of United States of America Explore United States of America 40,038 9,661 8
  • Canon EOS DIGITAL REBEL
  • f/4.0
  • 1/60s
  • ISO400
  • 100mm
Captured in the winter. More winter photos.

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