Diederich, P., Lücking, R., Aptroot, A., Sipman, H. J. M., Braun, U., Ahti, T. & Ertz, D. 2017. New species and new records of lichens and lichenicolous fungi from the Seychelles. — Herzogia 30: 182–236.

Sixteen species of lichens and lichenicolous fungi from the Seychelles are described as new: Abrothallus ramalinae (on Ramalina), Coenogonium beaverae, Fissurina seychellensis, Fulvophyton macrosporum, Graphis lindsayana, Nigrovothelium inspersotropicum, Opegrapha salmonea, Porina morelii, Pseudopyrenula media, Ramichloridium tropicum (on sterile lichen with Trentepohlia), Sarcographa praslinensis, S. subglobosa, Stictographa dirinariicola (on Dirinaria picta), Stirtonia epiphylla, Talpapellis mahensis (on sterile lichen with Trentepohlia) and Trimmatothele petri; Abrothallus ramalinae is also reported from Australia, New Zealand and Papua New Guinea, and Nigrovothelium inspersotropicum from Guyana. The following 29 species are new to Africa: Acanthothecis asprocarpa, Amandinea diorista var. hypopelidna, Ampliotrema palaeoamplius, Anisomeridium leptospermum, Aptrootia terricola, Chiodecton congestulum, Coenogonium saepincola, Dictyocatenulata alba, Diorygma salvadoriense, Epigloea urosperma, Fissurina globulifica, Graphis diplocheila, G. novopalmicola, G. oxyclada, G. subamylacea, Leptogium mastocheilum, Leucodecton album, Moelleropsis nebulosa, Ocellularia ascidioidea, O. piperis, Polymeridium microsporum, Ramonia rappii, Sarcographa maculosa, S. ramificans, Sphaerellothecium cinerascens, Spirographa fusisporella, Sporopodium flavescens, Thalloloma hypoleptum and Thelotrema capetribulense, and the following 18 species are new for the Seychelles: Cladonia digitata, Cryptolechia nana, Etayoa trypethelii, Fissurina comparilis, Glomerulophoron mauritiae, Graphis proserpens, G. renschiana, Julella geminella, Leucodecton compunctellum, Mazosia phyllosema, Opegrapha vermelhana, Phaeographis brasiliensis, Placynthiella dasaea, Porina atrocoerulea, Pyrenula nitidula, P. sexlocularis, Roselliniella cladoniae and Trichothelium alboatrum. A further 83 species are reported from the Seychelles. Amandinea melaxanthella, Cryptolechia subincolorella and Leptogium denticulatum have been removed from the Seychelles checklist.