Books by Harry E. Ahles
Flora of the Northeast
A conversation with Harry Ahle
A conversation with Harry Ahles
Aristolochia serpentaria var.
Aristolochia serpentaria var. nashii as a new name for Aristolochia serpentaria var. hastata
Species new to the flora of No
Species new to the flora of North Carolina
Species new to the flora of No
Species new to the flora of North or South Carolina