Plantae | Gentianales | Rubiaceae | Galium | Galium aparine
Wang R, Wang Q, Zhao N, Xu Z, Zhu X, Jiao C, Yu G, He N. 2018. Different phylogenetic and environmental controls of first-order root morphological and nutrient traits: Evidence of multidimensional root traits. Special Focus on Functional Traits Along A Transect 32(1): 29-39.