LITERATURE CITED
- Carey, A. B., S. P. Horton, and B. L. Biswell. 1992. Northern spotted owls: influence of prey base and landscape character. Ecol. Monogr. 62: 223–250.
- Fogel, R., and G. A. Hunt. 1979. Fungal and arboreal biomass in a western Oregon Douglas-fir ecosystem: distribution patterns and turnover. Canad. J. Forest Res. 9: 245–256.
- Fogel, R., and G. A. Hunt, and J. M. Trappe. 1978. Fungus consumption (mycophagy) by small animals. North W. Sci. 52: 1–31.
- Forsman, E. D., I. Otto, and A. B. Carey. 1991. Diet of spotted owls on the Olympic Peninsula, Washington and the Roseburg District of the Bureau of Land Management. p. 527. In: Wildlife and vegetation of unmanaged Douglas-fir forests. Eds., L. F. Ruggiero, K. B. Aubry, A. B. Carey, and M. H. Huff. U.S. Forest Service General Technical Report PNW-GTR-285.
- Hunt, G. A., and J. M. Trappe. 1987. Seasonal hypogeous sporocarp production in a western Oregon Douglas-fir stand. Canad. J. Bot. 65: 438–445.
- Luoma, D. L., R. E. Frenkel, and J. M. Trappe. 1991. Fruiting of hypogeous fungi in Oregon Douglas-fir forests: seasonal and habitat variation. Mycologia 83: 335–353.
- Maser, C., J. M. Trappe, and R. A. Nussbaum. 1978. Fungal-small mammal interrelationships with emphasis on Oregon coniferous forests. Ecology 59: 799–809.
- Maser, Z., C. Maser, and J. M. Trappe. 1984. Food habits of the northern flying squirrel (Glaucomys sabrinus) in Oregon. Canad. J. Zool. 63: 1084–1088.
- North, M. P. 1993. Stand structure and truffle abundance associated with the northern spotted owl. Ph.D. Dissertation, University of Washington, Seattle, Washington. 113 pp.