Verbatim text: Schneider, E. L. and L. A. Moore. 1977. Morphological studies of the Nymphaeaceae. VII. The floral biology of Nuphar lutea subsp. macrophylla. Brittonia 29: 88-99.
Author: Schneider, E.L., Moore, L.A.
Year: 1977
Title: Morphological studies of the Nymphaeaceae. VII. The floral biology of Nuphar lutea subsp. macrophylla
Journal: Brittonia
Volume: 29
Pages: 88–99