Parent: Phylloscopus (Willow warblers)

└─ Phylloscopus trochiloides (Greenish warbler)

└─── Phylloscopus trochiloides ludlowi

└─── Phylloscopus trochiloides obscuratus

└─── Phylloscopus trochiloides trochiloides

└─── Phylloscopus trochiloides viridanus