LITERATURE CITED
- Dee, Jennifer. 1962. Recombination in a Myxomycete, Physarum polycephalum Schw. Genetical Research 3: 11–23.
- Collins, O. R. 1961. Heterothallism and homothallism in two Myxomycetes. Amer. Jour. Bot. 48: 674–683.
- Collins, O. R.. 1962. Mating types in the slime mold Physarum pusillum. (Abstr.). Amer. Jour. Bot. 49: 659.
- Collins, O. R.. 1963. Multiple alleles at the incompatibility locus in the Myxomycete Didymium iridis. Amer. Jour. Bot. 50: 477–480.
- Collins, O. R., and H. Ling. 1964. Further studies in multiple allelomorph heterothallism in the Myxomycete Didymium iridis. Amer. Jour. Bot. 51: 315–317.