LITERATURE CITED
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- Kaufert, Frank H. The biology of Pleurotus corticatus Fries. Minn. Agr. Expt. Sta. Tech. Bul. 114. 35 pp. 1936.
- Ridgway, R. Color Standards and Nomenclature. 43 pp. Washington, D. C. 1912.
- Schmitz, Henry. Studies in wood decay. V. Physiological specialization in Fomes pinicola Fr. Amer. Jour. Botany 12: 163–177.
- Verrall, A. F. Variation in Fomes igniarius (L.) Gill. Minn. Agr. Expt. Sta. Tech. Bul. 117. 41 pp. 1937.