There's a 'Rosa' in the AHS registrations database:
Rosa (Childs-F., 1969)
height 36in (91cm), bloom 6in (15.0cm), season EM, Rebloom, Dormant, Tetraploid, Very Fragrant, Rose self with apricot throat. (Reverend Traub × Cathedral Bells)
http://www.daylilies.org/Dayli...