LICHALP

Arthonia excipienda (Nyl.) Leight.

Syn.: Arthonia astroidea Ach. var. excipienda Nyl., Arthonia dispersa (Schrad.) Nyl. subsp. excipienda (Nyl.) Nyl., Arthonia dispersa (Schrad.) Nyl. var. excipienda (Nyl.) H. Olivier, Arthonia hibernica Nyl.

Lichenised.

Substrate: bark

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: on smooth bark of deciduous trees and shrubs in riparian montane woodlands; probably overlooked or confused with A. punctiformis.