2.8. 3. Calcicola W. R. Anderson & C. Davis, Contr. Univ. Michigan Herb. 25: 148. 2007.

Type species.

Calcicola parvifolia (A. Juss.) W. R. Anderson & C. Davis.

Notes.

Calcicola comprises only two currently accepted species (no threatened species; Suppl. material 1) of shrubs endemic to the seasonally dry tropical forests of Mexico, North America (POWO 2024). For an identification key for all species of Calcicola, see Anderson and Davis (2007).