Unresolved name

Unresolved name: Mushrooms, Lichens, Molds, Yeasts And Relatives » Sac Fungi » Eurotiomycetes » Verrucariales » Verrucariaceae » Speck Lichens And Wart Lichens » Wart Lichen «

Verrucaria nigrescens var. laeviuscula Nyl. 1879