Book  (2010)  Page(s) 95.  
 
Peter Harkness. An Update on Persica Hybrids.
The late Ralph Moore used 'Tigris' as a seed and pollen parent, and it lies behind his selection of apricot, red and yellow blends with the 'magic eye', named Persian Autumn, 'Persian Light', 'Persian Peach', and 'Persian Sunset', all introduced in USA in recent years.

Magazine  (Feb 2005)  Page(s) 39.  
 
Registration
'Morthirthree', S, ab, 2005 (Persian Autumn) ... description