Ionactis caelestis, the Spring Mountain aster,[2] is a rare North American species in the family Asteraceae.

It has been found only in southern Nevada in the western United States.

[3] Ionactis caelestis is a small perennial shrub up to 25 cm (9.8 in) tall, with a thick woody taproot.

The plant usually produces several flower heads in a flat-topped array.

This Astereae article is a stub.