| aster yellows phytoplasma | subspecies | bacteria | bacteria | species | 35779 |
| aster yellows phytoplasma ay27 | no rank | bacteria | bacteria | no rank | 331984 |
| aster yellows witches'-broom phytoplasma | species | bacteria | bacteria | species | 229545 |
| 'callistephus chinensis' aster yellows phytoplasma | species | | | species | 1232631 |
| 'callistephus chinensis' phytoplasma | subspecies | bacteria | bacteria | species | 931247 |
| maryland aster yellows phytoplasma | species | bacteria | bacteria | species | 398428 |
| new jersey aster yellows phytoplasma | species | bacteria | bacteria | species | 270520 |