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Two new species of Malmidea from north-eastern Brazil

Published online by Cambridge University Press:  23 August 2013

Marcela Eugenia da Silva CÁCERES ,
Viviane Monique dos SANTOS ,
Drielle Tavares de GÓES ,
Danyelle Andrade MOTA  and
André APTROOT
Marcela Eugenia da Silva CÁCERES
Affiliation:
Departamento de Biociências, Universidade Federal de Sergipe, CEP: 49500-000, Itabaiana, Sergipe, Brazil
Viviane Monique dos SANTOS
Affiliation:
Departamento de Biociências, Universidade Federal de Sergipe, CEP: 49500-000, Itabaiana, Sergipe, Brazil
Drielle Tavares de GÓES
Affiliation:
Departamento de Biociências, Universidade Federal de Sergipe, CEP: 49500-000, Itabaiana, Sergipe, Brazil
Danyelle Andrade MOTA
Affiliation:
Departamento de Biociências, Universidade Federal de Sergipe, CEP: 49500-000, Itabaiana, Sergipe, Brazil
André APTROOT*
Affiliation:
ABL Herbarium, G.v.d.Veenstraat 107, NL-3762 XK Soest, The Netherlands. Email: andreaptroot@gmail.com
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Abstract

Two new species, Malmidea pallidoatlantica and Malmidea sulphureosorediata, are described from NE Brazil. The first is close to M. atlantica but differs by the hyaline or pale hypothecium. The second species is a bright golden yellow sorediate crust which is assigned to the genus Malmidea because it contains the same anthraquinone pigment as M. atlantica and M. pallidoatlantica. The three species together could be referred to as the Malmidea atlantica group. Both new species were found in Mata Atlântica fragments. Malmidea sulphureosorediata was found in the Serra da Jibóia, a mountain range with a maximum elevation of 800 m, in a transitional area between the Atlantic forest and Caatinga vegetation in Bahia State. Malmidea pallidoatlantica was found in Mata do Crasto, one of the most important Atlantic forest remnants in Sergipe. It is a well-preserved Mata Atlântica relict of c. 700 hectares, at sea level.

Keywords

anthraquinonelichensMalmideaceaeMata AtlânticaMata do CrastoSanta Luzia do ItanhySerra da Jibóia
Type
Articles
Information
The Lichenologist , Volume 45 , Issue 5 , September 2013 , pp. 619 - 622
Copyright
Copyright © British Lichen Society 2013 

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