"Bartramia - Bartramiaceae". Bryophyte Flora of North America. Missouri Botanical Garden. Retrieved 2011-02-17.
rbge.org.uk
rbg-web2.rbge.org.uk
Atherton, Ian; Bosanquet, Sam; Lawley, Mark. "Bartramia pomiformis Common Apple-moss"(PDF). Mosses and liverworts of Britain and Ireland a field guide. Retrieved 25 February 2020.
worldcat.org
search.worldcat.org
Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. Vol. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN978-0-9561310-2-7. ISSN0268-8034.