7 treff

The Xerula/Oudemansiella complex (Agaricales) : Ronald H. Peterson and Karen W. Hughes
Petersen, Ronald H.
Bok Engelsk 2010
Ramaria subgenus Echinoramaria
by Ronald H. Petersen
Bok Engelsk 1981
"B. & C." : the mycological association of M.J. Berkeley and M.A. Curtis
by Ronald H. Petersen
Bok Engelsk 1980
Ramaria subgenus Lentoramaria with emphasis on North American taxa
by Ronald H. Petersen
Bok Engelsk 1975
Evolution in the higher basidiomycetes : an international symposium
Ronald H. Petersen, editor
Bok Engelsk 1971
The Genera Gomphus and Gloeocantharellus in North America
By Ronald H. Petersen
Bok Engelsk 1971
The genus Clavulinopsis in North America
by Ronald H. Petersen
Bok Engelsk 1968