Melobesia callithamnioides
Melobesia callithamnioides may refer to:
- Melobesia callithamnioides (P.Crouan & H.Crouan) Falkenberg, 1879, synonym of Pneophyllum confervicola
- Melobesia callithamnioides Falkenberg ex Solms-Laubach, 1881, nom. illeg., synonym of Hydrolithon boreale