Keywords: Neottia auriculata (as Ophrys auriculata) BB-1913.png en Neottia auriculata Wiegand Szlach - auricled twayblade 1913 http //plants usda gov/java/largeImage imageID opau5_001_avd tif Britton N L and A Brown 1913 An illustrated flora of the northern United States Canada and the British Possessions 3 vols Charles Scribner's Sons New York Vol 1 568 Courtesy of Kentucky Native Plant Society Scanned by Omnitek Inc PD-old-70-1923 Uploaded with UploadWizard Neottia auriculata - botanical illustrations Britton Brown Illustrated flora of the northern states and Canada |