Taxonomic implications of phenolic variation in leaves of birch (Betula L.) species

Biochemical Systematics and Ecology - Tập 27 - Trang 243-254 - 1999
Markku Keinänen1, Riitta Julkunen-Tiitto1, Matti Rousi2, Jorma Tahvanainen1
1Department of Biology, University of Joensuu, P.O. Box 111, FIN-80101 Joensuu, Finland
2Punkaharju Research Station, Finnish Forest Research Institute, FIN-58450 Punkaharju, Finland