Ptychographa is a fungal genus in the family Xylographaceae. It is a monospecific genus, containing the single species Ptychographa xylographoides. This inconspicuous lichen grows as a barely visible coating of dark grains on rotting logs and branches in undisturbed old forests. The species is most readily identified by its narrow, elongated black fruiting structures that run parallel to the wood grain.
SPECIES
via GBIF
Ptychographa is a fungal genus in the family Xylographaceae. It is a monospecific genus, containing the single species Ptychographa xylographoides. This inconspicuous lichen grows as a barely visible coating of dark grains on rotting logs and branches in undisturbed old forests. The species is most readily identified by its narrow, elongated black fruiting structures that run parallel to the wood grain.
==Taxonomy==
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).