⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35118640, with some changes.
This name is a synonym of Calliergon cordifolium subsp. orbiculari-cordatum .
The record derives from Tropicos which reports it as a synonym (record 35118640
) with original publication details: Bull. Herb. Boissier 4: 19 19 1896.