Fine-Root Ecology Database (FRED): A Global Collection of Root Trait Data with Coincident Site, Vegetation, Edaphic, and Climatic Data, Version 3

Iversen, Cm; Mccormack, Ml; Baer, Jk; Powell, As; Chen, W; Collins, C; Fan, Y; Fanin, N; Freschet, Gt; Guo, D; Hogan, Ja; Kou, L; Laughlin, Dc; Lavely, E; Liese, R; Lin, D; Meier, Ic; Montagnoli, A; Roumet, C; See, Cr; Soper, F; Terzaghi, M; Valverde-Barrantes, Oj; Wang, C; Wright, Sj; Wurzburger, N; Zadworny, M