Calypogeia neesiana, commonly known as Calypogeia neesiana, is a liverwort species native to various regions, primarily found in moist, shaded environments such as forests and wetlands. This perennial plant exhibits a low-growing habit, typically reaching heights of 2 to 5 centimeters, forming dense mats on the forest floor. The leaves are distinctly lobed and arranged in a rosette pattern, providing a unique appearance that aids in water retention and nutrient absorption. Although it does not produce flowers in the traditional sense, it reproduces via spores, which are released from specialized structures called sporophytes that emerge from the leafy thallus.

Ecologically, Calypogeia neesiana plays a significant role in its habitat by contributing to soil stabilization and moisture retention, which benefits surrounding flora and fauna. It serves as a microhabitat for various microorganisms and small invertebrates, thus enhancing biodiversity. While not widely utilized by humans, its presence indicates healthy, undisturbed ecosystems. Adaptations such as its ability to thrive in low-light conditions and its tolerance to varying moisture levels make it a resilient species in its native range.