MANN, H. E.; RAJU, M. V. S. Observations on the flowering of deciduous trees and schrubs in Regina, SK. Blue Jay, [S. l.], v. 59, n. 1, 2001. DOI: 10.29173/bluejay5818. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5818. Acesso em: 6 may. 2024.