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File:Fern Carpet (9002108266).jpg

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Meadow of hay-scented ferns (Dennstaedtia punctilobula) near Six-Mile Run, Moshannon State Forest, Centre County, along the Allegheny Front Trail.

Large swaths of hay-scented ferns and, sometimes, bracken ferns (Pteridium species) dominate the forest understory here and elsewhere in the Allegheny Plateau region. Although attractive and eye-catching, the ferns indicate an unhealthy forest ecosystem; their fronds and root systems crowd out other vegetation (including tree seedlings), and they release allelopathic chemicals that suppress plant growth.

Conditions that further perpetuate the ferns are deer overbrowsing (deer find the ferns unpalatable but will browse most other vegetation) and acid rain (the ferns tolerate soil acidification).
Date
Source Fern Carpet
Author Nicholas A. Tonelli from Northeast Pennsylvania, USA
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  • with dinosaur, via Stable Diffusion AI
    with dinosaur, via Stable Diffusion AI
Camera location40° 54′ 10″ N, 78° 06′ 33.62″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Nicholas_T at https://flickr.com/photos/14922165@N00/9002108266. It was reviewed on 18 August 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

18 August 2017

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current23:51, 18 August 2017Thumbnail for version as of 23:51, 18 August 20175,184 × 3,456 (17.17 MB)XXN (talk | contribs)Transferred from Flickr via Flickr2Commons

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