Abstract
Abstract:A new corticolous species of Buellia is described from La Palma and La Gomera (Canary Islands). It is mainly characterized by its strongly ornamented, (1–2)–3-septate ascospores with apical and septa thickenings, which follow an ascospore-ontogeny of type B, and its chemistry. The new species is compared with the relatedBuellia lauricassiae (Fée) Müll. Arg. and B. lauricassiaeoides Aptroot. Illustrations of the ascospores of B. laurocanariensis and B. lauricassiaeoides are presented. A habit photograph of the new species is also provided.
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