Bilimbia fuscoviridis ( Bacidia fuscoviridis), another overlooked sorediate crustose lichen widely distributed in temperate eastern North America

Bilimbia fuscoviridis ( Bacidia fuscoviridis) is newly reported from North America where it is shown to be widespread in the temperate eastern United States and adjacent Canada, frequently occurring on shaded calcareous rocks and siliceous rocks in humid habitats near waterways. A detailed description on the basis of North American material is provided, the distribution is mapped, and color photographs are provided. The species is likely common but overlooked because of its inconspicuous appearance and the absence of diagnostic secondary metabolites.

Automated summary

This article reports on the newly discovered species Bilimbia fuscoviridis in North America. It is widespread in the temperate eastern United States and adjacent Canada, frequently found on shaded calcareous and siliceous rocks near waterways. Despite its inconspicuous appearance and absence of diagnostic secondary metabolites, the species is likely common but often overlooked.