Zygospores resulting from intraspecific matings of Mucor amphibiorum, M. inaequisporus, M. indicus, M. recurvus, M. variosporus, Backusella circina, and B. lamprospora are compared with azygospores (zygospores) formed in matings of Mucor amphibiorum strain CBS 764.74 and strains of the other species by means of scanning electron microscopy. In general zygospores in interspecific matings cease to develop at an earlier stage than those of intraspecific matings. No proof could be obtained for our hypothesis that M. amphibiorum strain CBS 764.74 merely initiated a process of azygospore formation.

Persoonia - Molecular Phylogeny and Evolution of Fungi

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Naturalis journals & series

Stalpers, J. A., & Schipper, M. A. A. (1980). Comparison of Zygospore ornamentation in intra- and interspecific matings in some related species of mucor and Backusella. Persoonia - Molecular Phylogeny and Evolution of Fungi, 11(1), 39–52.