The Lichenicolous Heterobasidiomycetes

2-celled Additional specimens examined Ahti Anamorph unknown apothecia Aptroot asteroconidia Bandoni basal clamp Basidia Basidiomata lichenicola basidiospores Basidiospores ellipsoid basidium Biatoropsis Chionosphaera Cladonia clamp connections clavate conidia Conidia ignota conidiogenous cells containing numerous probasidia context hyphae convex cystidia absent Cystobasidium Diederich sp distinct apiculus ellipsoid elongate epibasidia subcylindrical Etymology fertile hyphae fungus gelatinous genus growing Hafellner haustorial filament herb heterobasidiomycetes holotypus host thallus Hymenium Hymenium containing numerous Hymenium hyaline hyphae thick-walled hyphidia and cystidia Hyphidia nulla Hypogymnia inducing gall formation isotypus lichen lichenicola in thallo lichenicolous heterobasidiomycetes lichenicolous species Lobaria longitudinal septum M. S. Christiansen mature mother cell subspherical Mount Wilhelm oblique pale Papua New Guinea phaeophysciae Physcia proliferations occurring Pyrénées-Atlantiques reddish brown Santesson Scale bar septa Sérusiaux Simbu Province spores stalk Sticta subspherical to ellipsoid Syzygospora thallus thin-walled Tønsberg transverse septa Tremella Tremella sp tremelloid Typus Usnea usnearum viii µm in diam µm long