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Aesculus Leaf Blotch (Guignardia aesculi) Leaf blotch on a young buckeye tree.  Aesculus Leaf Blotch,Geotagged,Guignardia aesculi,Spring,United States Click/tap to enlarge PromotedSpecies introCountry intro

Aesculus Leaf Blotch (Guignardia aesculi)

Leaf blotch on a young buckeye tree.

    comments (3)

  1. Probably the most attractive blotch marks seen yet, nice find, Lisa! Posted 17 days ago
    1. It was so lovely! I wish I could have gotten closer, but the area was teeming with poison ivy! UGH! Posted 17 days ago
  2. Beautiful! Posted 16 days ago

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Guignardia aesculi is a fungus that causes leaf blotch disease on Aesculus sp. in the United States and Europe. The fungus has three distinct morphological stages on the leaf, a sexual (pseudothecial) stage, and two asexual stages; a macroconidial (pycnidial) stage, and a microconidial stage (spermagonial) stage.

Similar species: Botryosphaeriales
Species identified by Lisa Kimmerling
View Lisa Kimmerling's profile

By Lisa Kimmerling

All rights reserved
Uploaded May 20, 2020. Captured May 19, 2020 09:46 in 234 Oakman Rd NE, Ranger, GA 30734, USA.
  • Canon EOS 6D Mark II
  • f/25.0
  • 1/49s
  • ISO320
  • 100mm