LITERATURE CITED
- Gross, Henry L. 1964. The Echinodontiaceae. Mycopathol. Mycol. Appl. 24: 1–26.
- Lange, Morton. 1957. Rhizopogon melanogastroides n.sp. Sydowia II Beihefte 1: 255–256.
- Lange, Morton. 1967. Review of: A. H. Smith and S. M. Zeller. A preliminary account of the North American species of Rhizopogon. Mycologia 59: 384–386.
- Miller, Orson K., Jr. 1966. A new western species of Chroogomphus. Mycologia 58: 855–861.
- Singer, Rolf. 1956. The Armillariella mellea group. Lloydia 19: 176–187.
- Singer, Rolf. 1963 (dated 1962). The Agaricales in modern taxonomy. J. Cramer, Wevinheim. 915 p.
- Singer, Rolf. 1965. Review of: A. H. Smith and H. D. Thiers. A contribution toward a monograph of North American species of Suillus. Mycologia 57: 669–675.
- Singer, Rolf. 1967. Die Röhrlinge. Julius Klinkhardt, Bad Heilbrunn. 151 p.
- Singer, Rolf., and Alexander H. Smith. 1943. A monograph on the genus Leucopaxillus. Pap. Mich. Acad. Sci. Arts Letters 28: 85–132.
- Smith, Alexander H. 1947. North American species of Mycena. Univ. of Mich. Press, Ann Arbor. 507 p.
- Smith, Alexander H.. 1968. Further studies on Rhizopogon I. J. Elisha Mitchell Sci. Soc. 84: 274–280.
- Smith, Alexander H., and L. R. Hesler. 1968. The North American species of Pholiota. Hafner & Co., New York (in press).
- Smith, Alexander H., and L. R. Hesler, and Rolf Singer. 1945. A monograph on the genus Cystoderma. Papers Mich. Acad. Sci. Arts Letters 30: 71–124.
- Smith, Alexander H., and L. R. Hesler, and Rolf Singer. 1964. A monograph on the genus Galerina. Hafner & Co., New York. 384 p.
- Smith, Alexander H., and L. R. Hesler, and Rolf Singer, and Harry D. Thiers. 1968. Notes on Boletes I. The generic position of Boletus subglabripes and Boletus chromapes. Mycologia (in press).
- Smith, Alexander H., and L. R. Hesler, and Rolf Singer, and Harry D. Thiers, and S. M. Zeller. 1966. A preliminary account of the North American species of Rhizopogon. New York Bot. Gard. Mem. 14(2): 1–178.
- Voss, Ed. G. 1968. The spring beauties (Claytonia) in Michigan. The Michigan Botanist 7: 77–93.