Dr. Tom D. Throckmorton
d 2000. Des Moines, Iowa, USA. Creator of the daffodil colour-coding system introduced in 1975
Corona opening with tints of opalescent pink, becoming white, with green at base.
Winged Easter, 2 W-GWW, Dr. Tom D. Throckmorton, United States, 1975Photo #6091 Dr. Tom D. Throckmorton, USA