Daedaleopsis septentrionalis is related to Daedaleopsis confragosa, commonly known as the thin walled maze polypore. The pore shape is elongated in Daedaleopsis septentrionalis with very few cross walls and hence not so maze like. The pore surface will bruise pinkish-brown in fresh specimens of both species. Daedaleopsis septentrionalis only grows on Birch wood while Daedaleopsis confragosa grows on many hardwood species including Birch.
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