Canada's Plant Hardiness Site

Asteraceae daisy family
Achillea lanulosa var. megacephala (Raup) Argus
En: largehead yarrow, large-headed woolly yarrow;
Fr: achillee a gros capitules

• [=Achillea lanulosa Nutt. subsp. megacephala (Raup) Argus]
• [=Achillea megacephala Raup - basionym]
• [=Achillea millefolium L. subsp. lanulosa (Nutt.) Piper var. megacephala (Raup) B.Boivin]