Reference:Crow1981a
Verbatim text: Crow, G. E. and C. B. Hellquist. 1981. Aquatic vascular plants of New England. Pt. 2. Typhaceae and Sparganiaceae. New Hampshire Agric. Exp. Sta. Bull. 517: 1--21.
Author: Crow, G.E., Hellquist, C.B.
Year: 1981
Title: Aquatic vascular plants of New England. Pt. 2. Typhaceae and Sparganiaceae
Journal: New Hampshire Agric. Exp. Sta. Bull
Volume: 517
Pages: 1–21