Pedraza, Fernando, and Carlos Martorell. “Allocating Species in Grime’s Strategy Space: An Alternative to Trait-Based Approaches”. Botanical Sciences 97, no. 4 (December 19, 2019): 649-660. Accessed April 2, 2020. http://www.botanicalsciences.com.mx/index.php/botanicalSciences/article/view/2214.