Agaricales of the Hawaiian Islands 9. Five new white-spored species from native montane wet forests

Abstract

Five new species of white-spored agarics are described from native montane wet forests in the Hawaiian Islands as follows: Callistosporium vinosobrunneum, Marasmiellus hapuuarum, Marasmius koae, Mycena marasmielloides, Pleurocybella ohiae. Comprehensive descriptions, illustrations and comparisons with phenetically similar species are provided. An itemization of the 24 known putatively endemic agarics described from this unique habitat is provided.

• Callistosporium
• endemism
• Hawaiian mycota
• Marasmiellus
• Marasmius
• Mycena
• Pleurocybella
• taxonomy

ACKNOWLEDGMENTS

We are most grateful to Drs Robert Gilbertson, Brian Perry, Kristin Peterson and Jack Rogers for companionship and help collecting in the field, and to Helen Hemmes who was a gracious hostess to many visiting mycologists in Hilo and who has supported us throughout our survey of Hawaiian Agaricales.

This research was financially supported in part by National Science Foundation grant DEB–9300874.