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Caloplaca ulcerosa, a maritime species in Europe with a remarkable occurrence in the Czech Republic

Author:
  • Jan Vondrak
  • Jaroslav Äoun
  • Ulf Arup
  • André Aptroot
Publishing year: 2009
Language: English
Pages: 1-7
Publication/Series: Bryonora
Volume: 44
Document type: Journal article
Publisher: Czech Botanical Society CBS

Abstract english

Caloplaca ulcerosa, known as an epiphytic species growing on the bark of broad-leaved trees, is newly recorded from stems of maritime shrubs and from shaded limestone rock. In Europe, ninety-five percent of 90 considered records are within 50 km from a sea coast, but the species does not show any other geographical tendencies. It is rather regularly distributed throughout Europe, North Africa and the Near East. The distribution pattern of C. ulcerosa is, therefore, considered maritime; it may be the first known example of a maritime distribution of a lichen generally growing on tree trunks. The remarkable occurrence in the Czech Republic with an abnormal ecology is discussed. The identity of the specimen is supported by molecular nrITS DNA data. Specimens called Caloplaca ulcerosa collected in the inland of North America are related but not conspecific with C. ulcerosa s. str. Caloplaca viperae, considered by Nimis a possible synonym to C. ulcerosa, is a blastidiate-isidiate taxon probably conspecific with C. herbidella.ecology is discussed. The identity of the specimen is supported by molecular nrITS DNA data. Specimens called Caloplaca ulcerosa collected in the inland of North America are related but not conspecific with C. ulcerosa s. str. Caloplaca viperae considered by Nimis a possible synonym to C. ulcerosa, is a blastidiate-isidiate taxon probably conspecific with C. herbidella.

Keywords

  • Botany
  • Caloplaca viperae
  • maritime distribution
  • Teloschistaceae

Other

Published
  • ISSN: 0862-8904
Ulf Arup
E-mail: ulf [dot] arup [at] biol [dot] lu [dot] se

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Research group

Plant Biology

Caloplaca