Haematommataceae
Haematomma
Genus of lichens
Haematomma is a genus of crustose lichens established by Abramo Bartolommeo Massalongo in 1852.[2] It is the sole genus in the Haematommataceae,[3] a family circumscribed by Josef Hafellner in 1984.[4] Commonly called bloodstain lichens,[5] the species assigned to this genus are widely distributed in tropical and temperate areas.[6]
The genus name Haematomma means "bloody eye", a reference to the color of the lichen's apothecia.[7]