Brian S. Duncan
Rathowen Daffodils, in partnership with Clarke Campbell (1973-1988), Dergmoney, Co. Tyrone, N. Ireland; Founded Brian Duncan Daffodils 1989 - 2001
Photo from Spain in 2011
Perianth segments broadly ovate, pale greenish yellow, spreading; corona cylindrical, opening pale greenish yellow, becoming almost pure white, mouth widely expanded, with rim lightly crenate.
There are no photos of "Lemon Empress" in Daffseek.