Daffodil Types, Fertility, Hybridizing, Species N. viridiflorus and some of its crossses 2 by Theo Sanders • November 22, 2009 • Comments Off on N. viridiflorus and some of its crossses 2Click the photo to see a larger view This clone of N. x alleniae ( N. miniatus x N. viridiflorus) has some fertile pollen corns.