Leptogium vesiculosumFungi, Lichens, Natural History About this Taxon Order: Peltigerales. Family: Collemataceae. Genus: Leptogium (Ach.) Gray. Conservation status: Unknown. Collections & Observations M. A. Neves R139 (10/04/2021). Det.: M. Kitaura (11/04/2021). Obs. M. A. Neves (03/04/2021). Det.: R. Luecking & A. Spielmann (genus, 04/04/2021). M. Kitaura (species, 11/04/2021).