Guardian, a New Root Rot Resistant Strawberry Variety. Journal of the American Pomological Society, [S. l.], v. 24, n. 3, p. 62–65, 1970. DOI: 10.71318/apom.1970.24.3.62. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1033. Acesso em: 14 dec. 2025.