| Code | Definition | Number of Accessions |
| 1 | NEARLY ENTIRE STANDARD: MALUS BACCATA 'NERTSCHINSK' | 21 |
| 2 | CRENATE STANDARD: MALUS HALLIANA 'SPONTANEA' | 461 |
| 3 | SERRATE STANDARD: MALUS PRUNIFOLIA 'BHRENS' | 288 |
| 4 | SHARPLY SERRATE STANDARD: MALUS 'VIRGINIA CRAB' | 246 |
| 5 | CRENATE SERRATE STANDARD: MALUS 'BEAUTY' | 325 |
| 6 | DOUBLY SERRATE STANDARD: MALUS CORONARIA 'MATTHEWS' | 394 |
| 7 | SERRULATE STANDARD: MALUS BACCATA | 365 |
| 8 | SHARPLY SERRULATE STANDARD: MALUS HUPEHENSIS | 63 |