The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26614548, and has not been changed.

M Xiphopteris williamsii (Maxon) Copel. is a synonym of Micropolypodium williamsii (Maxon) A.R. Sm.

This name is a synonym of Micropolypodium williamsii (Maxon) A.R. Sm..

The record derives from Tropicos which reports it as a synonym (record 26614548) with original publication details: Amer. Fern J. 42(3): 101 101 1952.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:269593-2.