Books by R. A. Maas Geesteranus
Mycenae paranaenses
Mycenae paranaenses
Mycenas of the Northern Hemisphere
Conspectus of the Mycenas of t
Conspectus of the Mycenas of the northern hemisphere--
Die terrestrischen Stachelpilz
Die terrestrischen Stachelpilze Europas =
Observations sur quelques cham
Observations sur quelques champignons Hydnoides de l'Afrique
Studies in the genera Irpex an
Studies in the genera Irpex and Steccherinum
Hydnaceous fungi of the eastern old world
On Helvella platypuss DC
On Helvella platypuss DC
Hyphal structures in Hydnums
Hyphal structures in Hydnums
Notes on Hydnums
Notes on Hydnums
Notes on Dutch lichens
Notes on Dutch lichens