SASKATCHEWAN NATURAL HISTORY SOCIETY. Flowering Sequence of Spring Plants. Blue Jay, [S. l.], v. 15, n. 1, 1957. DOI: 10.29173/bluejay2117. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2117. Acesso em: 4 mar. 2026.