CALDWELL, B. Plant Notes: A New Pondweed for Saskatchewan. Blue Jay, [S. l.], v. 18, n. 3, 1960. DOI: 10.29173/bluejay2477. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2477. Acesso em: 30 apr. 2024.