| Code | Definition | Number of Accessions |
| 1 | 1= [flat], 2= [narrow elliptic], 3= [elliptic], 4= [broad elliptic], 5= [elliptic circular] | 1 |
| 2 | 1= [flat], 2= [narrow elliptic], 3= [elliptic], 4= [broad elliptic], 5= [elliptic circular] | 7 |
| 3 | 1= [flat], 2= [narrow elliptic], 3= [elliptic], 4= [broad elliptic], 5= [elliptic circular] | 26 |
| 4 | 1= [flat], 2= [narrow elliptic], 3= [elliptic], 4= [broad elliptic], 5= [elliptic circular] | 8 |
| 5 | 1= [flat], 2= [narrow elliptic], 3= [elliptic], 4= [broad elliptic], 5= [elliptic circular] | 11 |