Plantae | Pinales | Pinaceae | Picea | Picea abies
Weemstra M, Sterck FJ, Visser EJW, Kuyper TW, Goudzwaard L, Mommer L. 2017. Fine-root trait plasticity of beech (Fagus sylvatica) and spruce (Picea abies) forests on two contrasting soils. Plant Soil 415: 175-188.