HARMS, Vernon L. The Yellow Lady’s-Slipper Varieties in Saskatchewan and Western Canada. Blue Jay, [S. l.], v. 44, n. 2, 1986. DOI: 10.29173/bluejay4813. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4813. Acesso em: 22 jul. 2024.