Calicium Episcalare
''Calicium episcalare'' is a rare species of pin lichen that is known from only a single locality in Sweden. It is in the family Caliciaceae. It one of the few ''Calicium'' species that is parasitic on another lichen. The type was found growing on the north-facing wall of an old wooden barn in Dalsland. The barn, which dates to the 17th century, was made from old pine wood and had likely never been painted. The specific epithet ''episcalare'' refers to the name of the host, ''Hypocenomyce scalaris'', a common and widespread lichen. ''Calicium episcalare'' was described as a new species in 2016 by Swedish lichenologists Leif Tibell and Tommy Knutsson. Description ''Calicium episcalaris'' has a distinct black colouration devoid of (a white, waxy coating), making the lichen's surface appear smooth and unblemished. The fruiting bodies, which carry the spore-producing parts, are relatively small, ranging from 0.26 to 0.37 mm in height. The cap of the fruiting body, or , has a s ...
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Tibell
Leif Tibell (born 16 November 1944) is a Swedish lichenologist and Emeritus Professor at the University of Uppsala. He is known for his expertise on calicioid lichens. He was awarded the Acharius Medal in 2012 for lifetime achievements in lichenology. Biography Tibell was born in Gothenburg, Sweden, in 1944. He developed an interest in lichens at a young age after meeting the prominent lichenologist Gunnar Degelius through the Gothenburg Botanical Garden, where they were both members. Degelius mentored Tibell, and recommended to him that he should study the subject at Uppsala University, which h