Verbatim text: Hauke, R.L. 1979. Equisetum ramosissimum in North America. Amer. Fern J. 69: 1--5.
Author: Hauke, R.L.
Year: 1979
Title: Equisetum ramosissimum in North America
Journal: Amer. Fern J
Volume: 69
Pages: 1–5