LITERATURE CITED
- Betterley, D. A., and O. R. Collins. 1983. Reproductive systems, morphology, and genetical diversity in Didymium iridis (Myxomycetes). Mycologia 75: 1044–1063.
- Clark, J., and O. R. Collins. 1976. Studies on the mating systems of eleven species of myxomycetes. Amer. J. Bot. 63: 783–786.
- Collins, O. R. 1961. Heterothallism and homothallism in two Myxomycetes. Amer. J. Bot. 48: 674–683.
- Collins, O. R.. 1979. Myxomycete biosystematics: some recent developments and future research opportunities. Bot. Rev. (Lancaster) 45: 145–201.
- Collins, O. R.. 1980. Apomictic-heterothallic conversion in a myxomycete, Didymium iridis. Mycologia 62: 1104–1116.
- Collins, O. R., and H. Ling. 1968. Clonally-produced Plasmodia in heterothallic isolates of Didymium iridis. Mycologia 60: 858–868.
- Feest, A., and M. F. Madelin. 1985. A method for the enumeration of myxomycetes in soils and its application to a wide range of soils. FEMS Microbiol. Ecol. 31: 103–109.