Cystocoleus ebeneus (Dillwyn) Thwaites, Ann. Mag. nat. Hist.: 241 (1849). Fig. 9

Conferva ebenea Dillwyn, Brit. Conferv.: tab. 101 (1809).

MycoBank number: MB 384110; Index Fungorum number: IF 384110; Facesoffungi number: FoF 06942. Description – see Tian et al. (2014).

NotesCystocoleus ebeneus has orange pigmented Trentepohlia photobionts. Although Cystocoleus and Racodium are different genera, C. ebeneus is scarcely distinguishable from R. rupestre. The hyphae of C. ebeneus  are shorter and less contorted than those of  R. rupestre (Muggia et al. 2008, Tian et al. 2014). Here, we provide a drawing of Cystocoleus ebeneus (Fig. 9).

Figure 9 Cystocoleus ebeneus (redrawn from Smith 1911 and Hawksworth et al. 2011). a A single filament. b Detail of dentate hyphal walls. c Filaments.