Gymnocarpium dryopteris
common oak fern
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Family: Cystopteridaceae
Gymnocarpium dryopteris
Gymnocarpium dryopteris, separated from G. robertianum by its rachis glabrous and lowermost pinnae as large as the rest of the blade. Photos taken in Kaunas, Lithuania, in a spruce forest.
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Cystopteris
This population was found growing over rocks in thick moss mats in the spray of a large waterfall....
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