Also classified as Convallaria majuscula Greene.
• Convallaria majuscula (American lily-of-the-valley) | USDA PLANTS Database (About This Site)
• Convallaria majuscula | Biota of North America Project (BONAP) (About This Site)
• Convallaria pseudomajalis W.Bartram | Plants of the World Online (POWO) (About This Site)