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Cronartium quercuum This is a picture of Cronartium quercuum infecting a Virginia Pine tree at the Mckeldin Area of Patapsco Valley State Park in Carroll County, Maryland. Cronartium quercuum,Geotagged,Pine-oak rust,Spring,United States Click/tap to enlarge Promoted

Cronartium quercuum

This is a picture of Cronartium quercuum infecting a Virginia Pine tree at the Mckeldin Area of Patapsco Valley State Park in Carroll County, Maryland.

    comments (3)

  1. Wow - that is one impressive gall!
    (species added to JD for you to apply)
    Cheers, Arp
    Posted 4 years ago
  2. Wow! That is so cool. Posted 4 years ago
  3. Really cool, Matthew! Posted 4 years ago

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Cronartium quercuum (the Pine-oak rust) is a fungus causing damage to both Pine trees (Pinus) and broad leafed trees in the family Fagaceae, most notably Oak (Quercus).

Similar species: Pucciniales
Species identified by Matthew Beziat
View Matthew Beziat's profile

By Matthew Beziat

All rights reserved
Uploaded Jan 27, 2021. Captured Apr 29, 2020 19:31 in Unnamed Road, Marriottsville, MD 21104, USA.
  • SM-G965U
  • f/2.4
  • 1/50s
  • ISO320
  • 4.3mm