Magazine  (Mar 1964)  Page(s) 8.  
 
Department of Registration
The following cultivars (varieties), whose names have been approved by the Nomenclature Committee, are presented for registration:
By Mrs. Elizabeth Falk, R.R. No. 1, Plainfield, Illinois, owner and grower, and Lyman D. Glasscock (deceased), originator:
Nightingale (Glasscock-Falk, 1964). SD. E. Seedling No. B 1 B 6. Parentage not given. Third generation hybrid. Dark red semi-double, large flowers. Blooms with the late hybrids.