Habit: Lithophila muscoides grows as a low succulent sending out branches so as to form large mats. The leaves are arranged oppositely but with very short internodes essentially forming a basal rosette, succulent, linear, to 5 cm. with an entire margin and acute leaf apex. The vegetation is a copper brown.
The complete, perfect, sessile, actinomorphic flowers are arranged in terminal and axillary spikes. Flowers subtended by white bracts. The calyx has 5 unfused sepals. The corolla has 2 unfused petals. There are 2 fused at the base stamens and 3 staminodes. The superior ovary has a single locule and seed. The fruit is an achene at maturity.
Habitat: Lithophila muscoides grows in Dunes and Sand Flats.
Distribution: Lithophila muscoides occurs throughout the island groupings within the Lucayan Archipelago, the Caribbean, and northern South America.
Medicinal/Cultural/Economic usage: Lithophila muscoides is not known to be used medicinally in the Lucayan Archipelago.