⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Trematodon longicollis in version 1.1 of The Plant List.

Trematodon longicollis var. crispatissimus (Brid.) Brid. is a synonym of Trematodon ambiguus var. crispatissimus (Brid.) Arn.

This name is a synonym of Trematodon ambiguus var. crispatissimus (Brid.) Arn..

The record derives from Tropicos which reports it as a synonym (record 35120299) with original publication details: Bryol. Univ. 1: 389 389 1826.