Johnson, Nancy C. and Chaudhary, V. Bala and Hoeksema, Jason D. and Moore, John C. and Pringle, Anne and Umbanhowar, James A. and Wilson, Gail W.T. (2009) Mysterious mycorrhizae? A field trip & classroom experiment to demystify the symbioses formed between plants & fungi. American Biology Teacher, 71 (7). pp. 424-429. ISSN 1938-4211
Korb, J.E. and Johnson, N.C. and Covington, W.W. (2001) Effect of restoration thinning on mycorrhizal fungal propagules in a northern Arizona ponderosa pine forest: Preliminary results. In: Ponderosa pine ecosystems restoration and conservation: steps toward stewardship (RMRS-P-22), April 25-27, 2000, Flagstaff, AZ.