S.  Imhof, ?Strategies for sustainable use of mycorrhiza in myco-heterotrophic plants?, in Programme and abstracts, Second International Conference on Mycorrhiza, July 5-10 1998, Uppsala, Sweden, U.  Ahonen-Jonnarth, Danell, E., Fransson, P., Karen, O., Lindahl, B., Rangel, I., and Finlay, R., Eds. Uppsala: Swedish University of Agricultural Science, 1998, p. 86.

M. I.  Bidartondo, Kretzer, A. M., Grubisha, L. C., Szaro, T. M., and Bruns, T. D., ?Identity and spatial distribution of the fungal symbiont of Sarcodes sanguinea?, in Programme and abstracts, Second International Conference on Mycorrhiza, July 5-10 1998, Uppsala, Sweden, U.  Ahonen-Jonnarth, Danell, E., Fransson, P., Karen, O., Lindahl, B., Rangel, I., and Finlay, R., Eds. Uppsala: Swedish University of Agricultural Science, 1998, p. 29.

S.  McKendrick, Leake, J. R., and Read, D., ?Germination and development of mycoheterotrophic plants in situ?, in Programme and abstracts, Second International Conference on Mycorrhiza, July 5-10 1998, Uppsala, Sweden, U.  Ahonen-Jonnarth, Danell, E., Fransson, P., Karen, O., Lindahl, B., Rangel, I., and Finlay, R., Eds. Uppsala: Swedish University of Agricultural Science, 1998, p. 118.