~ gathering this author’s shelf ~
7 bookswriting since 197532 years at work
Plant systematics
2007
The subfamilies and tribes of Gramineae (Poaceae) in the Southeastern United States
1985
Systematics of the Andropogon virginicus complex (Gramineae)
1983
Biosystematic studies in the Andropogon virginicus complex (Gramineae)
1980
Flora of Oxford County, Maine
1980
Winter Keys to Woody Plants of Maine
1978
Winter keys to woody plants of Maine [by] Christopher S. Campbell and Fay Hyland, botanists.
1975