Verbatim text: Soreng, R.J. 1991a. Notes on new infraspecific taxa and hybrids in North American Poa (Poaceae). Phytologia 71:340-413
Author: Soreng, R.J.
Year: 1991a
Title: Notes on new infraspecific taxa and hybrids in North American Poa (Poaceae)
Journal: Phytologia
Volume: 71
Pages: 340–413