USA, Michigan, Berrien, N7 South of Stevensville in sand dune along beach
41.981661 -86.555505 +-3365m. WGS84
Polygon drawn on Google Hybrid base layer, extends W of I-94 to Lake Michigan shoreline, S Johnson Rd in Stevensville to W lemon Creek Rd in Lake Charter Twp.
On a rich black soil under moist conditions, shaded all day, drainage ditch