North America: nativeAJamaica: nativeACuba: nativeBSouth America: nativeACentral America: nativeA
Notas
The type of Hirtella nitida is not from Cuba as claimed by Kunth (in Humboldt & al., Nov. Gen. Sp. 6: 246), but probably from Venezuela (according to Prance [in Fl. Neotrop. Monogr. 9: 329. 1972, as “Hirtella racemosa var. hexandra,”] the corresponding taxón only occurs in mainland America).
Bibliography
A.Greuter, W. & Rankin Rodríguez, R. 2022: Plantas vasculares de Cuba: inventario preliminar. Revisiones.