American Journal of Botany. v.56, 1969
Heimsch, Charles, ed.
American Journal of Botany. v.56, 1969 edited by Charles Heimsch - Ohio Botanical Society of American 1969 - v.56, vii, 1230 p.; 27cm.
00029122
American Journal of Botany. v.56, 1969 edited by Charles Heimsch - Ohio Botanical Society of American 1969 - v.56, vii, 1230 p.; 27cm.
00029122
