As classified in WFO snapshot
December 2024
Warning: older classification
form
Asplenium adiantumnigrum f. onopteris
(L.) Heufl.
This form name was first published in Verh. Zool.-Bot. Vereins Wien 6: 310, 311 (1856)
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .