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⚠ Version 1 of The Plant List has been superseded.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-35141772, with some changes.

M Polytrichum polythamnium Müll. Hal. is a synonym of Polytrichum urnigerum var. tetragonum Lindb.

This name is a synonym of Polytrichum urnigerum var. tetragonum Lindb..

The record derives from Tropicos which reports it as a synonym (record 35141772) with original publication details: Nuovo Giorn. Bot. Ital., n.s., 3: 93 93 1896.