Aves > Passeriformes > Furnariidae > Dendrocolaptinae > Xiphorhynchus > Xiphorhynchus flavigaster > Xiphorhynchus flavigaster ascensor

subspecies: Xiphorhynchus flavigaster ascensor (Ivory-billed Woodcreeper, )

Annotation: Subspecies not recognized by Peters (1951) and Clements (2000).