Book  (1940)  
 
p23. Jan Böhm, Blatna-Cechy, Czechoslovakia. 'Phaenomen'

p177. 'Phaenomen' (Phenomenon). HT. (Chotkove Rosarium; int. Bohm '34. Very large,dbl.,slightly rosy salmon, outside light rosy red; big bunches. Fol very large, dark. Very vig. (6-8 ft.)

Book  (1936)  Page(s) 560.  
 
Phaenomen (HT) Chotkové Rosarium 1934 [J. Böhm]; light salmon-pink, reverse light pink, very large, double, large clusters, very large dark green foliage, growth 7/10, upright, 1-2 m.