LITERATURE CITED
- Banker, H. J. 1906. A contribution to a revision of the North American Hydnaceae. Mem. Torrey Bot. Club. 12: 99–194.
- Bresadola, G. 1932. Iconographia mycologica. Vols. 21 and 22. Soc. Bot. Italiana, Milan.
- Coker, W. C., and A. H. Beers. 1951. The stipitate hydnums of the Eastern United States. University of North Carolina Press. Chapel Hill, North Carolina. 211 p.
- Fries, E. M. 1821. Systema mycologicum, sistens fungorum ordines, genera et species hue usque cognitas, Vol. 1. Ernest Mauritius, Greifswald. 520 p.
- Harrison, K. A. 1961. The stipitate hydnums of Nova Scotia. Research Branch, Canada Department of Agriculture, Ottawa, Ontario. 60 p.
- Harrison, K. A. 1964. New or little known North American stipitate hydnums. Canad. J. Bot. 42: 1205–1233.
- Kornerup, A., and J. H. Wanscher. 1962. Reinhold color atlas. Reinhold Publishing Corporation, New York. 224 p.
- Kotlaba, F., and A. Pouzar. 1964. Preliminary results on the staining of spores and other structures of Homobasidiomycetes in cotton blue and its importance for taxonomy. Feddes Repert. 69: 131–141.
- Maas Geesteranus, R. A. 1959. The stipitate hydnums of the Netherlands. IV. Auriscalpium S. F. Gray, Hericium Pers. ex S. F. Gray, Hydnum L. ex Fr., Sistotrema Fr. emend Donk. Persoonia 1: 115–147.
- Maas Geesteranus, R. A. 1963a. Hyphal structures in hydnums. II. Proc. Koninkl. Ned. Akad. Wetenschap., Ser. C. 66: 426–436.
- Maas Geesteranus, R. A. 1963b. Hyphal structures in hydnums. IV. Proc. Koninkl. Ned. Akad. Wetenschap., Ser. C. 66: 447–457.
- Miller, L. W., and J. S. Boyle. 1943. The Hydnaceae of Iowa. University of Iowa Studies in Natural History 18, No. 2. University of Iowa. Iowa City, Iowa. 92 p.
- Peck, C. H. 1899. Report of the State Botanist. New York State Museum Bull. 5: 619–688.
- Ridgway, R. 1912. Color standards and color nomenclature. Published by the author, Washington D. C. 43 p.
- Robbers, J., L. R. Brady, and V. E. Tyler, Jr. 1965. A chemical and chemotaxonomic evaluation of Inocybe species. Lloydia 27: 342–353.
- Sullivan, G., L. R. Brady, and V. E. Tyler, Jr. 1967. Occurrence and distribution of terphenylquinones in Hydnellum species. Lloydia 30: 84–90.