Cavernous Crystalwort (Riccia Cavernosa) is a perennial moss in the Ricciaceae family with moderate care difficulty. It requires high watering and partial shade or full sun light in USDA hardiness zones 5-9. This plant is safe for cats and dogs.

Riccia cavernosa is a species of liverwort characterized by medium to large thalli forming rosettes up to 30-45 mm in diameter, often bright grass-green to yellowish green with red tinges.