Irish lichens
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Family: Trapeliaceae
Species: Trapelia involuta s. str Photos: Ballingeary, Co. Cork, SW Ireland. Thallus is pale gray or a pale brownish gray with lobes that are lobed and isolated or sometimes in groups but obviously separated. Apothecia rare and develop late, spores simple, 19-24 x 9-12 µm. A pioneer species on siliceous rocks and stones but distribution is uncertain owing to its recent separation from Trapelia glebulosa sens.lat. Thallus C+ red, K-, KC-, P-. Previously recorded as part of the Trapelia glebulosa sens.lat. aggregate, which comprises Trapelia glebulosa and Trapelia involuta |
Trapelia involuta sens str. August 2009