Salix purpurea subsp. eburnea
Knafia purpurea Knafia helix Salix helix Salix carniolica Salix tenuis Salix monandra Salix multiformis Salix mutabilis Salix oppositifolia Salix olivacea Salix pontederana Vetrix purpurea Vetrix sicula Salix purpurea f. styligera Salix monandra var. sericea Salix purpurea f. sericea Salix purpurea f. furcata Salix monandra var. subverticillata Salix caesifolia Salix helix Salix purpurea f. eriantha
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024