Woessia

Woessia
Woessia adastra; scale bar: 1 mm
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Ramalinaceae
Genus: Woessia
D.Hawksw. & Poelt (1986)
Type species
Woessia fusarioides
D.Hawksw., Poelt & Tscherm.-Woess (1986)

Woessia is a genus of lichen‑forming fungi in the family Ramalinaceae. The genus was originally proposed in 1986 but was subsumed into other genera until molecular studies in 2025 demonstrated it represents a distinct evolutionary lineage. Species of Woessia are small bark-dwelling lichens found mainly in Europe, distinguished by their needle-shaped ascospores.