Giant-hyssops and Horsemints: The Genus Agastache West of the Cascade Mountains

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

The Genus Agastache

Western Giant-hyssop, Western Giant Hyssop: Agastache occidentalis -

Nettle-leaved Horsemint, Nettle-leaf Giant-yssop: Agastache urticifolia -

Paul Slichter E-mail