Website/Catalog  (2020)  Page(s) 395.  
 
Jovita Pérez, B. Munné, 1929, H.T., coppery salmon, shaded coral, rigid canes, medium sized bud, cupped, very floriferous, dark foliage, vigorous, Mme. Butterfly X Souv. de Claudius Pernet, Silver Medal at Saverne, bibliography: RE

Book  (1958)  Page(s) 177.  
 
Jovita Pérez. HT. (B. Munné, '29.) Mme. Butterfly X Souv. de Claudius Pernet. Dbl., cupped, fragrant, coppery salmon, shaded coral; long, strong stem. Fol. soft, dark. Vig., compact; profuse bloom.

Book  (1936)  Page(s) 553.  
 
Perez, Govita (HT) Munné 1928; Mme. Butterfly X Souv. Cl. Pernet; coppery salmon, shaded coral, large, semi-double to double, cup form, lasting, cluster-flowered, fragrance 5/10, floriferous, continuous bloom, long strong stems, growth 6/10, bushy, dense, hardy. Sangerhausen