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Title:Heiomasia, a new genus in the lichen-forming family Graphidaceae (Ascomycota: Lecanoromycetes: Ostropales) with disjunct distribution in Southeastern North America and Southeast Asia 
Authors:Nelsen, M.P.; Lücking, R.; Rivas Plata, E.; Mbatchou, J.S 
Year:2010 
Journal:
 
Volume:113 
Issue:4 
First page:742 
Last page:751 
DOI:
 
Abstract:Heiomasia is a new genus that includes two sterile species producing unique isidia-like structures for vegetative dispersal. Their systematic position was clarified using molecular analysis of the small subunit of the mitochondrial ribo¬somal DNA (mtSSU). The two species form a strongly supported clade occupying a somewhat isolated position deep within Graphidaceae. The new genus is based on H. sipmanii (Aptroot, Lücking & Rivas Plata) Nelsen & Rivas Plata comb. nov., a species from Southeast Asia with disc-shaped isidia-like structures, originally descri¬bed in the genus Herpothallon. The second species, H. seaveyorum Nelsen & Lücking spec. nov., is known only from Florida; it produces robust, sausage-shaped isidia-like structures. 
Document type:Article 
Edition:? 
Associated taxa:
 
Summary:Nelsen, M.P.; Lücking, R.; Rivas Plata, E.; Mbatchou, J.S. 2010. Heiomasia, a new genus in the lichen-forming family Graphidaceae (Ascomycota: Lecanoromycetes: Ostropales) with disjunct distribution in Southeastern North America and Southeast Asia. The Bryologist. 113(4):742-751