Hamamelis virginiana (American witch-hazel): Go Botany
Witch Hazel Hamamelis virginiana from Taylor's Nursery
Hamamelis virginiana L. | Plants of the World Online | Kew Science
Hamamelis virginiana - Cambridge Botanic Garden
Bulletin #2570, Native Trees and Shrubs for Maine Landscapes: Common Witch Hazel (Hamamelis virginiana) - Cooperative Extension Publications - University of Maine Cooperative Extension