A survey of higher fungi in the mamane-naio vegetation zone on the slopes of Mauna Kea on the island of Hawai'i yielded 71 species of ascomycetes and basidiomycetes. Eight xylariaceous ascomycetes are reported. Fifteen species of gasteromycetes are reported. Of these Battarrea phalloides, Disciseda anomala, D. verrucosa, Geastrum campestre, G. fornicatum, Tulostoma fimbriata var. campestre, and
... [Show full abstract] T. involucratum are new reports from the Hawaiian Islands. Forty-eight species of wood-rotting basidiomycetes are reported. Brevicellicium vulcanense, Crustoderma gigacystidium. Henningsomyces separatus, Hyphoderma sphaeropedunculatum, Hyphoderma naiophila, Hyphodermella maunakeaensis, Phanerochaete crescentispora, Radulomyces kama 'aina, and Radulomyces poni are described as new. Thirty other species of wood-rotting basidiomycetes are new reports from the Hawaiian Islands.