Names of hybrids and cultivars were until recently (2021) compiled by a working party of the UN FAO, the International Cultivar Registration Authority (ICRAs) for the genus Salix (willows) , but it is no longer active.
Names of hybrids and cultivars were until recently (2021) compiled by a working party of the UN FAO, the International Cultivar Re,gistration Authority (ICRAs) for the genus Salix (willows)  but it is no longer active.