LITERATURE CITED
- Coker, W. C., and Alma H. Beers. 1943. The Boletaceae of North Carolina. North Carolina Press, Chapel Hill. 93 pp., 65 plates.
- Ridgway, R. 1912. Color standards and nomenclature. Pub. by Author, Wash., D. C. 43 pp., 53 plates.
- Singer, R. 1967. Die Röhrlinge II. Die Pilze Milleleuropas VI. Bad Heil- brunn/Obb.
- Smith, A. H., and H. T. Thiers. 1970. The boletes of Michigan. Univ. Mich. Press. In Press.