Keywords: Arethusa bulbosa, Black Fen.jpg Dragon's mouth / aréthuse bulbeuse Arethusa bulbosa <br> Black Fen / marécage Noir<br> Pancake Bay Provincial Park / Parc provincial de la baie Pancake<br> Algoma District / district d'Algoma<br> Ontario<br> Canada Source english Wikipedia Flora of North America Arethusa bulbosa |