Parent: Phylloscopus (Willow warblers)

└─ Phylloscopus xanthoschistos

└─── Phylloscopus xanthoschistos flavogularis

└─── Phylloscopus xanthoschistos jerdoni

└─── Phylloscopus xanthoschistos tephrodiras

└─── Phylloscopus xanthoschistos xanthoschistos