Books by Roy E. Halling
Phaeocollybia longistipitata s
Phaeocollybia longistipitata sp. nov. from Costa Rica
Common mushrooms of the Talamanca Mountains Costa Rica
Studies on Marasmiellus (Trich
Studies on Marasmiellus (Tricholomataceae) in the United States
An annotated index to species and infraspecific taxa of Agaricales and Boletales described by William A. Murrill
Tricholoma Fulvimarginatum (Tr
Tricholoma Fulvimarginatum (Tricholomataceae)
Additions to Marasmius section
Additions to Marasmius section Globulares
Rhodocybe Pulchrisperma (entol
Rhodocybe Pulchrisperma (entolomataceae)
The genus Collybia (Agaricales
The genus Collybia (Agaricales) in the northeastern United States and adjacent Canada
Thaxter's Thaxterogasters and
Thaxter's Thaxterogasters and other chilean hypogeous fungi