References
Jenne, G.E. 1966. A study of variation in North American Hamamelis L. (Hamamelidaceae). Master's thesis, Vanderbilt University, Biology Dept. 204 pp. Google Scholar
Jenne, G.E. 1966. A study of variation in North American Hamamelis L. (Hamamelidaceae). Master's thesis, Vanderbilt University, Biology Dept. 204 pp. Google Scholar