Field guide to orchids of North America : from Alaska, Greenland, and the Artic south to the Mexican border - Williams, John George 1913-1997; Williams, Andrew E.; Arlott, Norman 1947-2022; Peterson, Roger Tory 1908-1996 (New York : Universe Books, 1983)
Impreso en: Italia
Keywords: ORQUÍDEAS -- IDENTIFICACIÓN -- AMÉRICA DEL NORTE