Family: Abrothallaceae Species: Lichenoconium erodens Lichenicolous, photograph on Ramalina lacera Photos: Kilcolman, Co. Limerick, Ireland. The minute black pycnidia are (20-)30-50(-60) µm diameter and immersed or +/- superficial on the host and open by an irregular pore. Conidia brown or dark brown, 2-3.5(-4) µm, subglobose and not markedly truncated at base. Micrographs below. Usually parasitic on Parmeliaceae, including Evernia, Flavoparmelia, Hypogymnia, Hypotrachyna and Parmotrema. Also on Ramalina and lichen thalli damaged or killed by another lichenicolous fungus Similar: Lichenoconium usneae

Micrographs



Lichenoconium erodens. August 2024