Verbatim text: Hickey, R. J. 1986. Isoëtes megaspore surface morphology: Nomenclature, variation, and systematic importance. Amer. Fern J. 76: 1--16.
Author: Hickey, R.J.
Year: 1986
Title: Isoëtes megaspore surface morphology: Nomenclature, variation, and systematic importance
Journal: Amer. Fern J
Volume: 76
Pages: 1–16