by Ferguson, B.A, Dreisbach, T.A, Parks, C.G, Filip, G.M, Schmitt, C.L
Published in Canadian journal of forest research (01.04.2003)

by Dreisbach, T.A, Hansen, E.M. (Oregon State Univ., Covallis (USA). Dept. of Botany and Plant Pathology)
Year of Publication 1994

by Merrill, W, Wenner, N.G, Dreisbach, T.A
Published in Canadian journal of botany (1996)

by Dreisbach, T.A. (The Pennsylvania State University, University Park, PA), Merrill, W
Published in General technical report WO - U.S. Department of Agriculture, Forest Service (USA) (01.11.1990)

by Hansen, E.M. (Oregon State University, Corvallis (Etats Unis). Botany and Plant Pathology), Angwin, P.A, Dreisbach, T.A, Gernandt, D, McWilliams, M.G
Published in Colloques de l'INRA (France) (1998)