Pteridoph. Exs.
Wirtgen [1 - ? 546]

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0380781F
4ada2527-9049-4363-a493-8b25e3fddf74
F. P. Wirtgen #s.n. 26 October 1896
Polystichum aculeatum (L.) Roth ex Mert.
Germany