Exarmidium P. Karst., Bidr. Känn. Finl. Nat. Folk 23: 29, 222 (1873)

MycoBank number: MB 1959; Index Fungorum number: IF 1959; Facesoffungi number: FoF 06448;  14 morphological species (Species Fungorum 2020).

Type species – Exarmidium hysteriiforme P. Karst.

Notes – The type species occurs on branches of Juniperus (Cupressaceae) in Finland. Exarmidium has solitary, aggregated, dark-brown or black ascomata, immersed under a clypeus, elongate to clavate asci, with a poorly defined apical ring, J+ in some species and hyaline or faintly yellowish, ascospores with 3 or more transverse septa (Barr & Boise 1985, Aptroot 1998).

Species

  • Exarmidium hysteriiforme