Rusbya is a monotypic genus of flowering plants belonging to the family Ericaceae.

[1] It only contains one known species, Rusbya taxifolia Britton [1] It is native to Bolivia.

[1] The genus name of Rusbya is in honour of Henry Hurd Rusby (1855–1940), an American botanist, pharmacist and explorer.

[2] The Latin specific epithet of taxifolia is from Latin taxus, meaning 'yew', and folium, meaning 'leaf': i.e., 'yew-leaved'.

[3] Both the genus and the species were first described and published in Bull.