Journal
PHYTOTAXA
Volume 616, Issue 2, Pages 183-188Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.616.2.8
Keywords
Caloplaca s. lat.; phylogeny; South America; taxonomy; Teloschistoideae; Villophora
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A new species in the genus Tayloriellina is described, which is characterized by unique thallus and apothecia features. It forms a sister lineage with T. microphyllina and can be distinguished from it morphologically.
A new species is described in the genus Tayloriellina from the Bolivian dry Inter-Andean Valleys. Tayloriellina malmeana sp. nov. is characterized by an orange-yellow to creamy/gray, areolate-subsquamulose to granulose thallus, numerous apothecia with intensive orange discs, which dominate the thallus, and the presence of scarce globose isidia, concolorous with the thallus. The new species forms a sister lineage with T. microphyllina, reflecting their geographic origins in the Americas. Both taxa are easily distinguished by morphology because T. microphyllina produces a well-developed, dark orange thallus, distinct orange soralia, and smaller ascospores. The newly described species is discussed in reference to the poorly known South American species, Caloplaca byrsonimae s. lat. and C. trabicola.
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