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
Fl. rounded, 103 mm wide; perianth segments very broadly ovate, pure white, spreading; corona shallow bowl-shaped, golden yellow, with a well-defined band of red at rim, mouth slightly ribbed.
There are no photos of "Wavelength" in Daffseek.