Plantae | Pinales | Pinaceae | Picea | Picea abies
Puttsepp, U., Lohmus, K., Persson, H.A. & Ahlstrom, K. (2006) Fine-root distribution and morphology in an acidic Norway spruce (Picea abies (L.) Karst.) stand in SW Sweden in relation to granulated wood ash application. Forest Ecology and Management, 221, 291-298.