Not defined in Darwin Core. Coordinate system wkt (Well-known text) as defined by OGC (Open Geospatial Consortium). The properties CoordinateX, CoordinateY, CoordinateZ, CoordinateM and CoordinateSystemWkt defines where the species observation was made.

public string CoordinateSystemWkt { get; set; }

Public Property CoordinateSystemWkt As String
	Get
	Set

public:
property String^ CoordinateSystemWkt {
	String^ get ();
	void set (String^ value);
}

member CoordinateSystemWkt : string with get, set