Frame, 1993. FAO, August 1993 REUR Technical Series 29 Document reference Frame, J., 1993. White clover in Europe: State of the art. FAO, August 1993 REUR Technical Series 29Web http://www.fao.org/docrep/v2350e/v2350e00.htmCitation key Frame, 1993Datasheets White clover (Trifolium repens)
