Complex sentence: Rolph is a specialist in ethnobotany, toponyms (place names) and ecological nomenclature, with a history of research in the moribund Ancash Quechua spoken in north central Peru.
Split into simpler sentences: Rolph is a specialist in ethnobotany, toponyms (place names) and ecological nomenclature. She has a history of research in the moribund Ancash Quechua spoken in north central Peru.