Dietz, H Comparative analysis of growth rings in perennial forbs grown in an Alpine restoration experiment. [electronic resource] - Annals of botany Nov 2002 - 663-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0305-7364 Standard No.: 10.1093/aob/mcf247 doi Subjects--Topical Terms: AltitudeClimateEcologyFabaceae--anatomy & histologyPlant Roots--anatomy & histologyTime Factors