Photo: Mentha longifolia 4.

Flowers. Helsinki, Finland. Planted. 2002-08-11.
Mentha longifolia (L.) Hudson Engl.: silver mint, biblical mint, horsemint, wild mint. Deu.: Ross-Minze, Silberminze. Suom.: harmaaminttu. Sven.: gråmynta. Bot. syn.: Mentha sylvestris L.
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Photo: Mentha longifolia 4.