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Leaf Mine/Gall(?) on Christmas Fern (Polystichum acrostichoides) I have no idea what these are. Maybe leaf mines, galls, or some kind of mechanical damage?<br />
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Habitat: Mesic, mixed forest<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/105144/leaf_minegall_on_christmas_fern_polystichum_acrostichoides.html" title="Leaf Mine/Gall(?) on Christmas Fern (Polystichum acrostichoides)"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/105144_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1663804810&Signature=0ULq%2BIdRf48rHhWMDkgU3ihTURo%3D" width="200" height="162" alt="Leaf Mine/Gall(?) on Christmas Fern (Polystichum acrostichoides) I have no idea what these are. Maybe leaf mines, galls, or some kind of mechanical damage?<br />
<br />
Habitat: Mesic, mixed forest<br />
https://www.jungledragon.com/image/105143/leaf_minegall_on_christmas_fern_polystichum_acrostichoides.html Geotagged,Spring,United States" /></a></figure> Christmas fern,Geotagged,Polystichum,Polystichum acrostichoides,Spring,United States,fern leaf mine,gall,leaf mine Click/tap to enlarge

Leaf Mine/Gall(?) on Christmas Fern (Polystichum acrostichoides)

I have no idea what these are. Maybe leaf mines, galls, or some kind of mechanical damage?

Habitat: Mesic, mixed forest

Leaf Mine/Gall(?) on Christmas Fern (Polystichum acrostichoides) I have no idea what these are. Maybe leaf mines, galls, or some kind of mechanical damage?<br />
<br />
Habitat: Mesic, mixed forest<br />
https://www.jungledragon.com/image/105143/leaf_minegall_on_christmas_fern_polystichum_acrostichoides.html Geotagged,Spring,United States

    comments (2)

  1. It certainly looks like a gall. Hmmm. Posted one year ago
    1. I agree. Several of the pinnae had them. Posted one year ago

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By Christine Young

All rights reserved
Uploaded Dec 5, 2020. Captured May 30, 2020 22:58 in 91 Main St, Sharon, CT 06069, USA.
  • Canon EOS 90D
  • f/5.6
  • 1/197s
  • ISO640
  • 100mm