Dilabifilum

Dilabifilum is a genus of thalloid green algae comprising approximately 4 species. The thalli take a crustose form. "Choreonema" reproduces by means of conceptacles; it produces tetraspores and dispores and carpospores. It is a source of agar.
Species.
The species currently recognised are: "Dilabifilum arthropyreniae" and "Dilabifilum prostratum".