LITERATURE CITED
- Brodie, Harold J. 1948. Tetrapolarity and unilateral diploidization in the bird's nest fungus Cyathus stercoreus. Amer. Jour. Bot. 35: 312–320.
- Brodie, Harold J.. 1948. Variation in fruit bodies of Cyathus stercoreus produced in culture. Mycologia 40: 614–626.
- Fries, Nils. 1936. Crucibulum vulgare Tul. und Cyathus striatus Pers., zwei Gasteromyceten mit tetrapolar Geschlechtsverteilung. Bot. Notiser 1936: 567–574.
- Fries, Nils. 1948. Heterothallism in some Gasteromycetes and Hymenomycetes. Svensk Bot. Tidskr. 42: 158–168.
- Walker, Leva B. 1920. Development of Cyathus fascicularis, C. striatus, and Crucibulum vulgare. Bot. Gaz. 70: 1–24.