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List of lichens of Madagascar

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Little work has been done on the lichens of Madagascar, so while over 500 species of lichens have been documented, more are expected.[1] Madagascar can be divided into two major habitats that can be associated with lichen distribution. Wet tropical areas of siliceous bedrock make up approximately two-thirds of the country, and are where most of the lichens have been documented. Dry tropical areas of granitic and limestone bedrock make up the other one-third of the country with just over 20 species documented in these habitats.[1] The following table lists the species known from the dry tropical habitats. The majority are corticolous species that grow on the bark of trees or shrubs. A few are saxicolous; species that grow on rocks.

SPECIES TYPE
Canoparmelia quintarigera Aptroot Corticolous
Clandestinotrema minutum Aptroot Corticolous
Contrictolumina leucostoma (Müll. Arg.) Lücking & al. Corticolous
Crespoa inhaminensis (C. W. Dodge) Lendemer & B. P. Hodk. Corticolous
Dermatiscum thunbergii (Ach.) Nyl. Saxicolous
Dirina madagascariensis Tehler & al. Corticolous
Dirinaria complicata D. D. Awasthi Corticolous
Glyphis scyphulifera (Ach.) Staiger Corticolous
Isalonactis madagascariensis Ertz. & al. Corticolous
Lecanora helva Stizenb Corticolous
Lecanora leprosa Fée Corticolous
Lecanora subflava Tuck. Corticolous
Lecanora tropica Zahlbr. Corticolous
Mycoporum californicum (Zahlbr.) R. C. Harris Corticolous
Opegrapha varians (Müll. Arg.) Vain. Corticolous
Roccella africana Vain. Corticolous
Roccella applanata M. Choisy Corticolous
Roccella belangeriana D. D. Awasthi Corticolous
Roccella boryi Delise ex Fée Corticolous
Roccella linearis (Ach.) Vain. Corticolous
Roccella montagnei Bél. Corticolous
Sclerophyton madagascariense Sparrius Corticolous
Xanthoparmelia subflabellata (J. Steiner) Hale Saxicolous

While many of the lichens found to date in Madagascar are relatively widespread, tropical species,[1] some are endemic. Isalonactis madagascariensis, for example, is known only from its type locality near Isalo National Park,[2] and new species continue to be found.[1]

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References

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  1. ^ a b c d Aptroot, André (2016). "Preliminary checklist of the lichens of Madagascar, with two new thelotremoid Graphidaceae and 131 new records". Willdenowia. 46 (3): 349–366 (2016). doi:10.3372/wi.46.46304.
  2. ^ Ertz, D.; Fischer, E.; Killmann, D.; Razafindrahaja, T. & Sérusiaux, E. (2014). "Isalonactis, a new genus of Roccellaceae (Arthoniales), from southern Madagascar". The Lichenologist. 46 (2): 159–167. doi:10.1017/S002428291300090X. S2CID 258994.