The Sinking of Another Tristan da Cunha Moss Endemic and Its Phytogeographical Consequences

The original material of Isopterygium tristaniense Dixon, an endemic species of the Tristan da Cunha archipelago in the central South Atlantic Ocean, is taxonomically evaluated and some details of its morphology are illustrated. The species is found to be conspecific with the Holarctic Pseudotaxiphy...

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Bibliographic Details
Published in:Acta Societatis Botanicorum Poloniae
Main Authors: Ochyra, Ryszard, Plášek, Vítězslav
Format: Article in Journal/Newspaper
Language:English
Published: Polish Botanical Society 2020
Subjects:
Afro-American disjuncts
amphi-Atlantic distribution
Bryophyta
Musci
phytogeography
Atlantic Ocean
southern cool-temperate zone
taxonomy
Tristan
South Atlantic Ocean
Online Access:https://pbsociety.org.pl/journals/index.php/asbp/article/view/asbp.8936
https://doi.org/10.5586/asbp.8936
Description
Summary:The original material of Isopterygium tristaniense Dixon, an endemic species of the Tristan da Cunha archipelago in the central South Atlantic Ocean, is taxonomically evaluated and some details of its morphology are illustrated. The species is found to be conspecific with the Holarctic Pseudotaxiphyllum elegans (Brid.) Z.Iwats. and it is the third record of the species in the Southern Hemisphere. The global distribution of this species is reviewed and the distribution patterns of the South Atlantic mosses are briefly discussed.

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