<i>Amastra crassilabrum</i> Newc.
Cropped from original by George W. Tryon and Henry A. Pilsbry
1911
Cropped from original at <a rel="nofollow" class="external free" href="https://www.biodiversitylibrary.org/page/23702185#page/479/mode/1up">https://www.biodiversitylibrary.org/page/23702185#page/479/mode/1up</a>