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Distribution patterns of Leucodon species in Macaronesia, with special reference to the Canary Islands

Juana Maria GONZALEZ-MANCEBO, Jairo PATIÑO, Olaf WERNER, Rosalina Maria de Almeida GABRIEL & Rosa Maria ROS

en Cryptogamie, Bryologie 30 (1) - Pages 185-197

Published on 30 January 2009

The genus Leucodon is represented in Macaronesia by three species, L. sciuroides, L. canariensis and L. treleasei, the latter two being endemic to this region. An analysis of distribution, frequency and habitats for all three species in this region shows singular patterns for each species, mainly related to habitat conservation and type of habitat. Leucodon canariensis is the most restricted species as regards habitat conditions, with a confirmed presence only on Madeira and the Canary Islands, although more abundant in the latter. Leucodon treleasei exhibits the widest habitat amplitude, especially on Madeira, and it is present in all three northern archipelagos. Leucodon sciuroides is the most tolerant species to aridity and is mainly found on Madeira and the Canary Islands, although its occurrence was confirmed in all the Macaronesian archipelagos.


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