It was already previously placed there based on morphological data.
Most of the morphological, biogeographic, and biochemical data suggest the same.
However, morphological data is at least equivocal, and may also support placement in Mammuthus.
However, molecular and morphological data from 2010 support moving some species back into Polytrichum.
The diagnosis of the disease was based on previously reported clinical, morphological, and histopathological data.
In mapping other taxonomic relationships, however, morphological data has been troublesome.
This publication too still constitutes a major source of information on morphological data, including forms and features that are no longer in use.
Some acoustic and morphological data support for this arrangement.
One area where parsimony still holds much sway is in the analysis of morphological data.
A 2006 classification by Smith et al. is based on recent molecular systematic studies, in addition to morphological data.