Book  (2021)  Page(s) 312-315.  Includes photo(s).
 
'Pustebacken' .....The variety has been on sale in Sweden in the past decades under the false names 'Hippolyte', 'Conditorum' and 'Royal Marbrée'. ...known in Sweish culture since 1860-1880, but is older....
Description....Its DNA profile is closest to "Törnsfall" with a similarity index of 82,4%...From the other varieties in the National Gene Bank the closest are 'Linnés Hammarby', 'Officinalis', 'Rosa Mundi', 'Aimable Amie' and Hovby', all with similarity indices between 78,9 and 73,7%.