Website/Catalog  (10 Jun 2013)  
 
Registered Name: 'Macsev'
ARS Approved Exhibition Name: Christina Atherton
HT, op, 1979, McGredy, Sam IV; flowers salmon-pink, 4 in., 33 petals, high-centered, slight fragrance; free growth. [Tiki × seedling]. Introductions: 1978

Book  (Apr 1993)  Page(s) 94.  
 
Christina Atherton Hybrid Tea, salmon-pink, 1978, (MACsev); 'Tiki' x Seedling; McGredy, S., IV. Description.

Book  (1978)  Page(s) 100.  
 
Sam McGredy. A Hand-Painted Family Tree.
MACsev from 'Tiki' and MACjose was my earliest attempt at a hand-painted Hybrid
Tea. The markings were there but in a wishy-washy colour.

p101. Breeding chart which shows the parentage of MACsev" 'Tiki' x MACjose.
The date is shown as 1966.

Book  (1972)  Page(s) 27.  
 
E. P. Allen. Trends in Roses. MACjos, in spite of poor foliage, has shown considerable promise. Crossed with 'Tiki' it has yielded MACsev and MACbar

Magazine  (Oct 1971)  Page(s) 22.  
 
Editor. Our Breeders investigate.
One of the more interesting double varieties found on the way is the seedling coded MACsev 661715 IRL. It is No. 1980 in the Trial Ground and was bred from Tiki x [Evelyn Fison x (Orange Sweetheart x Fruhlingsmorgen)]. In this strain, a great deal of exploration lies ahead. (McGredy).