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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2024

Warning: older classification

variety

Dryopteris contermina var. bisymmetros Gilbert

This variety name was first published in Bull. Torrey Bot. Club 24(5): 260. 1897 [29 May 1897]  

This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .