In 1917 the authors began a study of the germination of trees and shrubs native to Iowa, for the purpose of extending our knowledge of the life history of some of our common woody plants. In scanning the literature we found that writings upon the early and juvenile forms of shrubby plants native to Iowa very scant. In succeeding papers we extended the study to include species of other sections of the country as well as a few exotic genera.
Proceedings of the Iowa Academy of Science
©1925 Iowa Academy of Science, Inc.
Pammel, L. H. and King, C. M.
"Germination of Some Pines and Other Trees,"
Proceedings of the Iowa Academy of Science, 32(1), 125-132.
Available at: https://scholarworks.uni.edu/pias/vol32/iss1/21