Square-leaved Crestwort (Chiloscyphus Polyanthos) is a perennial moss in the Lophocoleaceae family with moderate care difficulty. It requires high watering and partial shade or full shade light in USDA hardiness zones 3-8. This plant is safe for cats and dogs. It can be grown indoors.

Chiloscyphus polyanthos is a species of liverwort, a nonvascular plant commonly found in moist, shaded environments such as riverbanks and rocky substrates.