Keywords: 20160603Viola arvensis1.jpg Acker-Stiefmütterchen Viola arvensis im Schwetzinger Hardt discovery place Schwetzinger Hardt own AnRo0002 2016-06-03 camera coord Location 49 34011204 8 56472254 Cc-zero Malpighiales in the Schwetzinger Hardt in June Viola arvensis Violaceae in the Northern Hemisphere in June Viola arvensis Viola in the Schwetzinger Hardt Viola arvensis Viola arvensis |