4.1 Article

A new species of Aspicilia (Megasporaceae), with a new lichenicolous Sagediopsis (Adelococcaceae), from the Falkland Islands

Journal

LICHENOLOGIST
Volume 53, Issue 4, Pages 307-315

Publisher

CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0024282921000244

Keywords

DNA sequences; Endococcus; Lecanora masafuerensis; lichen; southern South America; southern subpolar region

Funding

  1. UK Government through DEFRA
  2. Darwin Initiative, project Lower Plants Inventory and Conservation in the Falkland Islands [DPLUS017]

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A new species, Aspicilia malvinae, has been discovered in the Falkland Islands, along with two lichenicolous fungi. Additionally, 60 new DNA sequences from Megasporaceae species (mostly Aspicilia) have been introduced.
The new species Aspicilia malvinae is described from the Falkland Islands. It is the first species of Megasporaceae to be discovered on the islands and only the seventh to be reported from South America. It is distinguished from other species of Aspicilia by the unusual secondary metabolite chemistry (hypostictic acid) and molecular sequence data. The collections of the new species support two lichenicolous fungi: Endococcus propinquus s. lat., which is new to the Falkland Islands, and a new species of Sagediopsis with small perithecia and 3-septate ascospores c. 18-20 x 4-5 mu m, which is described here as S. epimalvinae. A total of 60 new DNA sequences obtained from species of Megasporaceae (mostly Aspicilia) are also introduced.

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