LITERATURE CITED
- Betterley, D. A., and O. R. Collins. 1983. Reproductive systems, morphology, and genetic 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: 783–789.
- Clark, J., and O. R. Collins, and S. Stephenson. 1990. Didymium iridis reproductive systems: new additions. Mycologia 82: 274–276.
- Collins, O. R. 1961. Heterothallism and homothallism in two Myxomycetes. Amer. J. Bot. 48: 674–683.
- Collins, O. R.. 1980. Apomictic-heterothallic conversion in a myxomycete, Didymium iridis. Mycologia 62: 1109–1116.
- Collins, O. R., C. J. Alexopoulos, and M. R. Henney. 1964. Heterothallism in three isolates of the slime mold Physarum pusillum. Amer. J. Bot. 51: 679. (Abstract)
- Collins, O. R., C. J. Alexopoulos, and M. R. Henney, and J. Clark. 1966. Inheritance of the brown plasmodial pigment in Didymium iridis. Mycologia 58: 743–751.
- Henney, M. R. 1967. The mating type system of the myxomycete Physarum flavicomum. Mycologia 59: 637–652.
- Henney, M. R., and H. R. Henney, Jr. 1968. The mating type systems of the Myxomycetes Physarum rigidum and Physarum flavicomum. J. Gen. Microbiol. 53: 321–332.