| Code | Definition | Number of Accessions |
| 1 | BROWN STANDARD: MALUS 'CARDINAL' GMAL-752 | 32 |
| 2 | LIGHT BROWN STANDARD: MALUS BACCATA GMAL-434 | 25 |
| 3 | DARK BROWN STANDARD: MALUS 'BEDFORD' GMAL-1360 | 7 |
| 4 | BLACK BROWN STANDARD: MALUS CORONARIA VAR. BRACTEATA GMAL-444 | 11 |
| 5 | RED BROWN STANDARD: MALUS FUSCA | 7 |
| 6 | GRAY BROWN STANDARD: MALUS ARNOLDIANA GMAL-1220 | 9 |