“Variability of Fruit Quality and Plant Height in Populations of Saskatoon Berries ( Amelanchier AlnifoliaNutt)”. Journal of the American Pomological Society 45, no. 3 (July 1, 1991): 162–165. Accessed August 18, 2026. https://journal.americanpomological.org/index.php/jofaps/article/view/1908.