Bryaceae Schwägr.
Ptychostomum angustifolium (Brid.) J.R.Spence & H.P.Ramsay , legitimate, scientific
Spence, J.R. (2005), New genera and combinations in Bryaceae (Bryales, Musci) for North America. Phytologia 87(1): 23 [comb. nov.]
basionym: Bryum angustifolium Brid. legitimate
Spence, J.R. & Ramsay, H.P. in McCarthy, P.M. (ed.) (2006), Bryaceae. Flora of Australia 51: 326, Map 188 [secondary reference]
nomenclatural synonym: Bryum angustifolium Brid. legitimate taxonomic synonym: Bryum caespiticium Hedw. legitimate taxonomic synonym: Bryum caespiticium var. crinitum Wilson legitimate taxonomic synonym: Bryum capitellatum Müll.Hal. ex Watts & Whitel. nom. inval., nom. nud. taxonomic synonym: Bryum laxirete Broth. legitimate