Phaeosphaeria deschampsii (Ascomycota): A new parasite species of Deschampsia antarctica (Poaceae) described to Antarctica

• Main Authors: PUTZKE,JAIR, PEREIRA,ANTONIO B.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Academia Brasileira de Ciências 2016
• Subjects: Antarctica; Ascomycota; grass; phytopathology; Antarctic; Half Moon Island; Antarc*
• Online Access: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016005012106

ABSTRACT This study presents the description of Phaeosphaeria deschampsii, which was found in plant communities from Half Moon Island, South Shetland Archipelago, Antarctica, in February 2014. Many patches of Deschampsia antarctica (Poaceae), the only indigenous Poaceae specie in Antarctic, were found dead, parasitized by a fungi pathogen. Based on the shape of its perithecia, with oblique neck, erumpent in the grass tissues, ascospore form and septation, the specie was identified as new to science.