Cladonia_macilenta
Cladonia macilenta
Species of lichen
Cladonia macilenta or the lipstick cup lichen[1] is a species of cup lichen in the family Cladoniaceae.[2]
The species is red listed in Iceland as an endangered species (EN).[3]
Verrucaster lichenicola, described by Friedrich Tobler in 1913,[4] was proposed to be a fungus with waxy pycnidia and hyaline conidia lacking septa. It was, however, a little-known taxon, as the type specimen was lost and not collected again. The rediscovery of the type material more than a century later revealed that what Tobler thought to be a lichenicolous fungus was instead pycnidia of Cladonia macilenta, and thus the two taxa are placed in synonymy.[5]
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