Ptychomitrium barrii är en bladmossart som beskrevs av Hugh Neville Dixon 1926. Ptychomitrium barrii ingår i släktet atlantmossor, och familjen Ptychomitriaceae. Inga underarter finns listade i Catalogue of Life.
Källor Crosby, M. R. and others - INSUFFICIENT, 1999INSUFFICIENTLY known because not REVISED since its pre-1963 publication; that is to say we have no more information about the species than Index Muscorum; merely relisted without additional specimens in a checklist since 1963; may have been treated in Checklist Mosses Beever, J., K. W. Allison & J. Child, 1992 Mosses New Zealand (ed. 2) Dixon, 1926 New Zealand Inst. Bull. MOST: Moss TROPICOS Database
Kategori:Atlantmossor barrii