Capnodiales » Capnodiales genera incertae sedis » Racoleus

Racoleus trichophorus

Racoleus trichophorus R. Sant. & D. Hawksw., in Hawksworth, Santesson & Tibell, IMA Fungus 2(1): 72 (2011).

            Index Fungorum number: IF 561240; Facesoffungi number: FoF 11087, Fig. 1

Description: see Hawksworth et al. (2011).

Material examined: see Hawksworth et al. (2011).

Fig. 1 Racoleus trichophorus (K(M) 165036, holotype; redrawn from Hawksworth et al. 2011). a Habit on bark. b Filament. c Detail of dentate hyphal walls. d Detail of origin of a lateral spine. Scale bars: a = 200 μm, b–d = 10 μm.

Importance and distribution

Racoleus comprises only one species known on trunk of a large tree in dense shade in a rainforest, overgrowing Dichosporidium brunnthaleri (Roccellaceae) in Africa (Ivory Coast). It grows on whitish crustose lichens such as Dichosporidium brunnthaleri, D. nigrocinctum, Pyrgillus indicus. Racoleus overgrows the crustose lichens and has no close interaction with them and is easily detached. Racoleus is considered as a sampling artefact, because it is more easily noticeable alongside a white background (Hawksworth et al. 2011).

 

References

Hawksworth DL, Santesson R, Tibell L. 2011 – Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium. IMA Fungus 2, 71–79. 

 

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