Fine root morphology is phylogenetically structured, but nitrogen is related to the plant economics spectrum in temperate trees Article
Valverde-Barrantes, OJ, Smemo, KA, Blackwood, CB. (2015). Fine root morphology is phylogenetically structured, but nitrogen is related to the plant economics spectrum in temperate trees
. 29(6), 796-807. 10.1111/1365-2435.12384