⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26606239, with some changes.

Sphaerocionium nigricans C. Presl ex Klotzsch is a synonym of Hymenophyllum axillare Sw.

This name is a synonym of Hymenophyllum axillare Sw..

The record derives from Tropicos which reports it as a synonym (record 26606239) with original publication details: Linnaea 18: 536 536 1844.