[1]
Peroni, A. et al. 2013. "Polypodium vulgare" subsp. "melitense" new subspecies from Gozo, Maltese Islands (Pteridophyta: "Polypodiaceae"). Botanica Complutensis. 37, (May 2013), 41–46. DOI:https://doi.org/10.5209/rev_BOCM.2013.v37.42267.