This Article Full Text Full Text (PDF) Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Halling, R. E. Articles by Binder, M. Search for Related Content PubMed Articles by Halling, R. E. Articles by Binder, M. Agricola Articles by Halling, R. E. Articles by Binder, M.

A new genus of Boletaceae from eastern North America

     Institute of Systematic Botany, The New York Botanical Garden, Bronx, New York 10458

Timothy J. Baroni

     P.O. Box 2000, Department of Biological Sciences, SUNY College at Cortland, Cortland, New York 13045

Manfred Binder

     Department of Biology, Clark University, 950 Main Street, Worcester, Massachusetts 01610

Bothia is described as a new genus in the Boletaceae based on Boletinus castanellus described by C.H. Peck from eastern North America. A widespread, occasionally encountered taxon, Bothia castanella possesses a combination of macro- and microscopic features that has prompted past placement in seven different genera. Yet, as a species it is readily recognizable with its chestnut brown, dry pileus, decurrent, pale brown hymenophore with radially elongated tubes, a short, sometimes eccentric, exannulate stipe, yellow brown spore deposit and constant association with Quercus. Phylogenetic analyses of large subunit rDNA and BLAST searches using the ITS region confirm the placement of B. castanella as a unique generic lineage in the Boletaceae.

Key words: boletes, phylogeny, Quercus, ribosomal DNA