The height to which weeds grow, depends upon geographical location, soil, and particularly precipitation, or available moisture. Weeds attain maximum growth within the area of maximum distribution.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Pammel, L. H. and King, C. M.
"Heights of Weeds,"
Proceedings of the Iowa Academy of Science, 36(1), 221-231.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/33