Latitudinal range: 26.4° to 40.2°

Habitats: desert/xeric shrubland (2)

only

Found in two samples

Mexico: Mapimí Biosphere Reserve (nectarful trees, 1994)

United States: Dugway Proving Grounds

See also Diadasia australis, Diadasia diminuta, Diadasia sphaeracearum