Genus: Gymnocarpium Newm.
Gymnocarpium robertianum
This species is easily recognized by the abundant glandular hairs on the...
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Gymnocarpium dryopteris
common oak fern
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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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Around the Web
Once more unto the breach, dear friends: Resolving the origins & relationships of the Pellaea wrightiana hybrid complex (new #AJB reseach by Michael Windham, Layne Huiet, Jordan Metzgar, Tom Ranker, George Yatskievych et al) https://bsapubs.onlinelibrary.wiley.com/doi/10.1002/ajb2.1850 #botany #ferns @wileyplantsci
A great day doing a comprehensive Asplenium septentrionale count together with @NatResWales staff. Some positive site actions have already been done, and a good discussion on a management plan to look after this very special site. @FernBPS @fossilplants #FernFriday @cofnod
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HybPhaser identifies hybrid evolution in Australian Thelypteridaceae http://dlvr.it/SQW8qJ