⚠ Version 1 of The Plant List has been superseded.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 Hypnum tenuissimum in version 1.1 of The Plant List.
This name is a synonym of Amblystegiella subtilis f. tenuissima .
The record derives from Tropicos which reports it as a synonym (record 35129148
) with original publication details: J. Proc. Linn. Soc., Bot., Suppl. 1: 83 83 1859.