d) Viry a virům podobné organismy

1. Apple proliferation mycoplasm (= syn. pro ‘Candidatus Phytoplasma mali‘)

2.1. ‘Candidatus Phytoplasma ulmi‘

2. Apricot chlorotic leafroll mycoplasm (= syn. pro ‘Candidatus Phytoplasma prunorum‘)

3. Pear decline mycoplasm (= syn. pro ‘Candidatus Phytoplasma pyri‘)