Incertae sedis Lichenochora obscuroides # Growth type lichenicolous. Photographs on Phaeophyscia orbicularis Parasitic on thallus of Phaeophyscia orbicularis, rarely on Physcia species. The discoloured gall-like swellings are caused by groups of immersed perithecia with only the dark ostioles visible. Asci are usually 8-spored, spores 1-septate, hyaline, 15-18 x 5-7 µm. Pycnidia are absent. The host algal cells are partially killed by the fungus. Micrographs below. Similar: Lichenochora aipoliae, Lichenochora galligena and Lichenochora physciicola are parasitic on Physcia species

Micrographs



Lichenochora obscuroides #
On thallus of Phaeophyscia orbicularis, Whitecliff, Dorset. March 2020