Extensive polymorphism for the cross compatibility
of Phlox pilosa with P. glaberrima occurs
within Illinois populations.
Phlox floridana (Florida phlox) - Range: Florida, Georgia, and Alabama. Habitat: sandy open woods. Height: 25 to 50cm. Bloom time: summer. Flower color: purple to pink. This is similar to subspecies of P. pilosa and has not entered horticulture.