Mycosystema 4: 33-44, 1991


MORPHOLOGICAL AND MATING STUDIES ON ASIAN CLAVICORONA

WU QIU-XIN and RONALD H. PETERSEN
Department of Botany, University of Tennessee, Knoxville, tenn. 37996-1100, USA Systematic Mycologh & Lichenology Laboratory, Institute of Microbiology, Academia Sinica, Beijing


ABSTRACT: Intercollection matings among isolates of Clavicorona pyxidata from China and eastern North America showed that collections of this species from these geographic areas were fully intercompatible or even shared common matingtype alleles, indicating that C. pyxidata from China belonged to the same biological species as North American collections. Japanese collections, however, were different from others in fruitbody appearance and basidiospore measurements. Mating between isolates of Japanese collections and C. pyxidata showed that they were indicating that the Japanese collections represented a different biological species, and reproductive isolation was accompanied by morphological variation.