LITERATURE CITED
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- Trappe, J. 1962. Cenococcum graniforme—its distribution, ecology, mycorrhiza formation and inherent variation. Ph.D. Diss., Univ. Wash. 148 p.
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- Trappe, J. 1963. Some probable mycorrhizal association in the Pacific Northwest IV. Northw. Sci. 37: 39–43.
- Trappe, J. 1964. Mycorrhizal hosts and distribution of C. graniforme Lloydia 27: 100–106.