Mentha ×piperita var. piperita L.
Lvs on flowering shoots elliptic-lanceolate or narrow-elliptic, sometimes elliptic, smelling of peppermint when bruised; infl. oblong or broad-oblong, nearly always longer than wide, rarely interrupted.
N.; S.; St.: common in nearly all localities.
Europe 1864
Streams, rivers, drains and lakes, particularly in still or slow-flowing water.
Plants of peppermint are often submerged or partly so and may form dense stands.
