| Code | Definition | Number of Accessions |
| 2 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 2 |
| 3 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 8 |
| 4 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 39 |
| 5 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 87 |
| 6 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 62 |
| 7 | (1 = LEAST BIOMASS, 9 = MOST BIOMASS) | 30 |