| Code | Definition | Number of Accessions |
| 2 | 1= [green], 2= [pale yellow], 3= [yellow], 4= [orange], 5= [gold-brown], 6= [blood-red], 7= [coal-black] | 6 |
| 3 | 1= [green], 2= [pale yellow], 3= [yellow], 4= [orange], 5= [gold-brown], 6= [blood-red], 7= [coal-black] | 11 |
| 4 | 1= [green], 2= [pale yellow], 3= [yellow], 4= [orange], 5= [gold-brown], 6= [blood-red], 7= [coal-black] | 49 |
| 5 | 1= [green], 2= [pale yellow], 3= [yellow], 4= [orange], 5= [gold-brown], 6= [blood-red], 7= [coal-black] | 1 |