Lycopus americanus gallery
One of the more common horehounds with white tubular four-petaled flowers
American Water-Horehound Gallery
Flowers
Bradford Co
by Colin Gillette on 07/13/2022
Plant form
Bradford Co
by Colin Gillette on 07/13/2022
Leaf
Bradford Co
by Colin Gillette on 07/13/2022
Plant in flower
Note that the upper leaves are less lobed than the lower.
Ricketts Glen State Park (Luzerne Co)
by George Chamuris on 07/26/2019
Deeply-lobed basal leaves
Ricketts Glen State Park (Luzerne Co)
by George Chamuris on 07/26/2019
Plant form & habitat
Black Moshannon (Centre Co)
by Maria G. Pavlova on 08/09/2022
Flowers
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Note the sharp-pointed calyx lobes.
Buffalo Run Park (Centre Co)
by Maria G. Pavlova on 09/10/2025
Plants in flower
L. americanus is often multi-stemmed.
Buffalo Run Park (Centre Co)
by Maria G. Pavlova on 08/15/2025
Plant in autumn
