⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35187954, with some changes.
This name is a synonym of Riccia atromarginata subsp. iodocheila .
The record derives from Tropicos which reports it as a synonym (record 35187954
) with original publication details: Proc. Calif. Acad. Sci., ser. 4, 21: 200 200 1934.