After Sibley & Monroe, 1990, with Finnish vernacular names from Lokki, Jännes & Nikander, 1992
<==o Phyllastrephus (viherbulbulit) [25] |-- P. scandens (lehtibulbuli) |-- P. terrestris (kerttusbulbuli) |-- P. strepitans (ruskopääbulbuli) |-- P. cerviniventris (harmaaviherbulbuli) |-- P. fulviventris (vaaleaviherbulbuli) |-- P. poensis (kameruninviherbulbuli) |-- P. hypochloris (kongonviherbulbuli) |-- P. baumanni (nigerinbulbuli) |-- P. poliocephalus (lehväbulbuli) |-- P. flavostriatus (tikkabulbuli) |-- P. alfredi (Sharpe's Greenbul) |--o P. debilis (pikkuviherbulbuli) | |-- P. d. debilis (Tiny Greenbul) | `-- P. d. albigula (Usambara Greenbul) |-- P. lorenzi (zairenviherbulbuli) |-- P. albigularis (suomupääbulbuli) |-- P. fischeri (rusobulbuli) |-- P. cabanisi (keltasäihkybulbuli) |-- P. placidus (vuoriviherbulbuli) |-- P. icterinus (sieppobulbuli) |-- P. xavieri (kultarintabulbuli) |-- P. leucolepis (liberianbulbuli) |-- P. madagascariensis (madagaskarinbulbuli) |-- P. zosterops (lyhytnokkabulbuli) |-- P. apperti (tulearanbulbuli) |-- P. tenebrosus (tuhkabulbuli) `-- P. cinereiceps (ranomafananbulbuli)
Reference(s):
- Lokki, J., Jännes, H. & Nikander, P. J., 1992: Otavan lintutieto.
–Kustannusosakeyhtiö Otava, Helsinki, Finland, 1992, pp. 1-440
Translated from: Perrins, C. M. (ed.), 1990: The Illustrated encyclopaedia of birds.
–Headline Book Publishing Plc., London, England, 1990 - Sibley, C. G. & Monroe, B, L., 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990. xxiv-1111.