| Color code and Abbreviations |
Queens from one strain, but mated by drones from another strain . Their population and daughters (and drones of them) are F1 crossed. |
| Queen and Drones have the same ancestors: combination to increase or stabilize some characteristics |
| Queen and Drones are Aunt-Nephews : that would correspond by us to a Sister-Brothers crossing. |
| Queen and/or Drones have unknown exact origin : that makes unable to find their real status. |
| Queen and Drones result of a cross between two different lines : interesting to increase their resistance and qualities. |
| Breeders |
| KB : | Keld Brandstrup (DK) |
| MKK : | Pierre de Koning (NL) |
| MKN : | Foundation Buckfast Marken (NL) |
| MKR : | Bram de la Rie (NL) |
| PS : | Poul Erik Sørensen †2012(57) (DK) |
| SS : | Svend Sejr (DK) |
| ST : | Peter Stougård (DK) |
| TR : | Thomas Rueppel (DE) |
| VKV : | Kirill Vasiliev |
|
| Races — Do use them |
| A: | anatolica |
| B: | buckfast |
| C: | carniolian |
| Ca: | carpatica |
| GR: | Graaff-Reinet |
| M: | monticola - East-African Mountains |
| S: | sahariensis |
| Si: | siciliana, Sicily (IT) |
|
| Importation mode |
| imq : | Laying queen imported |
| Mating Places, etc |
| alr : | Alrø island, Odder (DK) |
| bal : | Baltrum island (DE) |
| mrk : | Marken peninsula (NL) |
| nex : | Nekselø island (DK) |
|