Book  (2021)  Page(s) 577-578.  Includes photo(s).
 
Hybrid Teas .... 'Louisefred' .... Description ..... Morphologically 'Louisefred' is identical with 'Hugh Dickson' in all characteristics except bloom colour somwhat varying in shade depending on the growing conditions and climate. 'Hugh Dickson' has red ro dark red and carmine-red blooms. The pink colour of 'Louisefred' has been stable under all the years it has been tested in Fredriksdal. ...'Louisefred' is gwenetically identical in its DNA profile with 'Hugh Dickson' according to the method Pom utilized. Their similarity index is 100%. This implies with highest probability that 'Louisefred' is a sport of 'Hugh Dickson'.