⚠ Version 1 of The Plant List has been superseded.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 Agrostis diffusa in version 1.1 of The Plant List.
This name is a synonym of Agrostis gigantea .
The record derives from Tropicos which reports it as a synonym (record 25532450
) with original publication details: Icon. Descr. Gram. Austriac. 4: 32, t. 55 32 1809.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:7606-2
.