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Amandinea lobarica, a new corticolous species from Guatemala, with notes on some additional Amandinea taxa

Published online by Cambridge University Press:  23 July 2015

Mireia Giralt*
Departament de Bioquímica i Biotecnologia (Àrea de Botànica), Facultat d’Enologia de Tarragona, Universitat Rovira i Virgili, Marcel·lí Domingo nº 1, 43007, Tarragona, Catalonia, Spain
Pieter P. G. van den Boom
Arafura 16, 5691 JA, Son, The Netherlands
John A. Elix
Research School of Chemistry, Building 137, Australian National University, Canberra, ACT 2601, Australia


Amandinea lobarica, a new corticolous lichen species, is described from high elevations in Guatemala. It is characterized by a thin, granulose, brownish thallus containing lobaric acid, small, convex lecideine apothecia, filiform conidia and large, narrowly ellipsoid ascospores with roughly ornamented walls. The new species is compared with other Buellia s. lat. taxa that possess rather large and strongly ornamented ascospores, such as Buellia hypothallina, here placed in synonymy with Gassicurtia vaccinii, Amandinea leucomela, A. mediospora, A. megaspora, A. subduplicata and five very closely related taxa treated here as belonging to the Amandinea incrustans group. Two tables summarizing the main differences between these species and a key are provided. New data on the chemistry of A. leucomela and a new record of A. montana for Guatemala are also included.

© British Lichen Society, 2015 

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