TY - BOOK AU - Arx,Joseph Adolf von AU - Muller,Emil TI - Keys to the genera of amerospored and didymospored pyrenomycetes ; f rom J.A. von Arx & E. Muller / U1 - 589.23 ARX PY - 1969/// CY - Kew : PB - Commonweaith Mycological Institute, KW - Pyrenomycetes KW - Identification KW - Switzerland KW - Fungi N1 - First published in German in Beitrage zur kryptogamenflora der Schwe iz, Bd. 1 1, Hett 1 and 2 ER -