Cuphea

viscosissima (Clammy Cuphea)

Decodon

verticillatus (Swamp Loosestrife)

Lythrum

alatum (Wide-angled Loosestrife)

hyssopifolia (Hyssop-leaved Loosestrife)

lineare (Narrow-leaved Loosestrife)

salicaria (Purple Loosestrife)