BERNSTEIN, M. E. and CARROLL, G. C. (1977) Internal fungi in old-growth Douglas fir foliage. Can. J. Bot. 55: 644-653.
CARROLL, G. C. (1986) The biology of endophytism in plants with particular reference to woody perennials. In Microbiology of the phyllosphere (FOKKEMA, N. J. and VAN DEN HEUVEL, J., eds.). 205-222, Cambridge Univ. Press, Cambridge.
CARROLL, G. C. (1988) Fungal endophytes in stems and leaves: from latent pathogen to mutualistic symbiont. Ecology 69: 2-9.
CARROLL, G. C. and CARROLL, F. E. (1978) Studies on the incidence of coniferous needle endophytes in the Pacific Northwest. Can. J. Bot. 56: 3034-3043.