Giant-hyssops and Horsemints of the Cascade Mountains of Oregon and Washington

The Genus Agastache

Giant Horsemint, Western Giant Hyssop, Western Giant-hyssop, Western Horse-mint: Agastache occidentalis -

Nettleleaf Giant Hyssop, Nettle-leaf Giant-hyssop, Nettle-leaved Giant Hyssop, Nettle-leaf Horse-mint, Nettle-leaved Horsemint: Agastache urticifolia var. urticifolia (Synonym: Agastache urticifolia) -