Taxon - Odkazy a literatura
Flora of Northern Ireland [2086]
Hackney P.: Flora of Northern Ireland [http://www.habitas.org.uk/flora/index.ht...]
Flora and Vegetation of Israel [jako Polypodium cambricum]Danin A.: Flora and Vegetation of Israel [http://www.botanic.co.il/A/defaulte.htm]
Datum citace: 26. únor 2009
Botanical Society of British Isles [jako Polypodium cambricum L.]Botanical Society of British Isles [http://www.bsbi.org.uk/], Botany Department, The Natural History Museum
Datum citace: 11. květen 2012
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