Agastache urticifolia (Benth.) Kuntze - Calflora
Agastache parvifolia Eastw. - Calflora
Common name: Giant hyssop - calflora.net
Nettle Leaf Giant Hyssop - Calscape
Nettleleaf giant hyssop (Agastache urticifolia) - Western Forbs
Agastache urticifolia - Wikipedia
Agastache urticifolia | Nettleleaf Horsemint | Wildflowers of the ...
EcoFlora - Agastache urticifolia