(Pleonosporium) (Pleonosporium) is a biological genus in the family Ceramiaceae and order Ceramiales.
Pleonosporium borreri
Pleonosporium complanatum
Pleonosporium flexuosum
Pleonosporium globuliferum
Pleonosporium kobayashii
Pleonosporium mexicanum
Pleonosporium pinnatum
Pleonosporium pusillum
Pleonosporium rhizoideum
Pleonosporium squarrosum
Pleonosporium squarrulosum
Pleonosporium tohyamanum
Pleonosporium vancouverianum
Aglaothamnion
Anotrichium
Antithamnion
Antithamnionella
Bornetia
Callithamnion
Centroceras
Ceramium
Compsothamnion
Corynospora
Crouania
Griffitsia
Gymnothamnion
Haloplegma
Halurus
Hollenbergia
Lejolisia
Mesothamnion
Microcladia
Neoptilota
Platythamnion
Pleonosporium
Plumaria
Ptilota
Ptilothamnion
Ptilothamniopsis
Rhododictyon
Scagelia
Scagelonema
Seirospora
Spermothamnion
Sphondylothamnion
Spyridia
Tiffaniella
Trailliella
Wrangelia