For our record-keeping, we have given all plants a number, like     A  16 - 6 - 2 

How to interpret the number label:
A = the first letter of the mother plant  (A =  Atom Smasher or akarana,  etc.)

16 =  this is a number I have assigned to this plant  (first number of the three)

6 =  the year that the seed was grown  (thus seed collected 05 and grown 06 = 6)

2 = this is the second sibling in the cross (could go to 20 or more first sibling = 1)

We have also listed the names of the seedling parents after the number.

Again, abbreviations go in the order: 

FIRST LETTER PLANT#-YEAR-SIBLING

For example: B 21-6-1     Beatrice / Tenyru // Op06-1  ///

"B"    is the first letter of the seedling's name
21    is the number given to the plant
6    is the year that the seed was grown
1    means this was the first sibling in the cross

 In the named section, a single dash (/) represents a cross (for a seedlings). 
The pollen parent of the 2nd generation seedling is listed after multiple dashes(//).

Beatrice / Tenyru // Op06-1  ///

thus a Beatrice-Tenyru seedling   was open pollinated and this seedling is then Open pollinated    
and this seed is offered
 

Any plants given with only three digits (no dashes) following the number are named cultivars (rather than seedlings).  The name of the cultivar is given after the number.