lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.fungi in the family Baeomycetaceae. It has six species. The genus was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
by lichenologists
Klaus Kalb
Klaus Kalb (born 1942) is a German lichenologist and an authority on tropical lichens.
Biography
Klaus Kalb was born in Nuremberg in 1942 and grew up in southern Bavaria. From 1960 to 1965 he studied biology, chemistry, and geography at t ...
Baeomyces
''Baeomyces'' is a genus of lichenized fungi in the family Baeomycetaceae. Members of ''Baeomyces'' are commonly called cap lichens. The genus was circumscribed by German mycologist Christiaan Hendrik Persoon in 1794. Although Persoon did not de ...
'' by the production of the secondary chemical norstictic acid, as well as the tropical distribution of its species. Most species have a
squamulose
A squamulose lichen is a lichen that is composed of small, often overlapping "scales" called squamules. If they are raised from the substrate and appear leafy, the lichen may appear to be a foliose lichen, but the underside does not have a "skin ...
thallus, but the most recent addition to the genus–the Chinese species '' P. crustacea''–has a crustose thallus.
Species
*''
Phyllobaeis crustacea
''Phyllobaeis'' is a genus of lichen-forming fungi in the family Baeomycetaceae. It has six species. The genus was circumscription (taxonomy), circumscribed by lichenologists Klaus Kalb and Claudia Gierl in 1993, with ''Phyllobaeis imbricata'' as ...