Blackberry Cultivars and Production Trends in the Pacific Northwest. Journal of the American Pomological Society, [S. l.], v. 46, n. 4, p. 202–206, 1992. DOI: 10.71318/apom.1992.46.4.202. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1977. Acesso em: 16 feb. 2026.