Website/Catalog  (2012)  
 
Website

'Kordiam' , HT, op, 1987, (Holsteinperle, 'Heidi Kabel', 'Testa Rossa'), [seedling × Flamingo], Kordes, W.; flowers brilliant coral and salmon, open slowly, 4 in., dbl., high-centered, none fragrance; recurrent; foliage medium size, medium green, semi-glossy; bushy, vigorous, medium growth

Book  (Aug 2002)  Page(s) 47.  
 
Holsteinperle
Rated 7.7

Book  (2001)  Page(s) 50.  
 
Holsteinperle Hybrid Tea, orang epink, 1987. Rating: 7.8

Book  (Dec 1998)  Page(s) 306.  
 
Holsteinperle (KORdiam, 'Heidi Kabel', 'Testa Rossa') Hybrid Tea. Kordes (Germany) 1987. Parentage: Seedling x 'Flamingo'. Description.