Website/Catalog  (1950)  Page(s) [3].  
 
Herbaceous Peonies
Hybrids
Very Earliest
Albiflora x officinalis
Rosalba (formerly Spring Song) (1941) Pale creamy salmon single. Much admired in New York, 1950.

Website/Catalog  (1941)  Page(s) [6].  
 
Herbaceous Peonies
Hybrids
Albiflora x Otto Froebel
The plants cover themselves with gaily held flowers in some new and fresh shades of pink, charming for cutting or the garden.
Spring Song (1941) Beautiful pale creamy salmon single.

Book  Page(s) 159-160.  
 
Reciprocal crosses Otto Froebel x albiflora
...4715-6 2 O.F. x Duff
Rosalba 1931 June 6. Very lovely flesh pink sgl. Extra good color. Pollen v. many - v. many - v.many 20% good
7.7 row 9.10 10.19 row 1 (1 +1)
Moved first in 1934.