Pilularia globulifera, commonly known as Pillwort, is an intriguing and unique perennial fern belonging to the Marsileaceae family. Native to Europe and parts of North Africa, it thrives in wet habitats such as the edges of ponds, lakes, and marshes, and is often found in seasonal pools and damp, sandy soils. Pillwort is a low-growing plant that forms dense mats of slender, thread-like fronds. These fronds are bright green and resemble blades of grass, typically growing to about 2 to 6 inches in length. Unlike many ferns, Pilularia globulifera does not have traditional leaves; instead, it has cylindrical, hair-like structures that perform photosynthesis. This distinctive morphology makes it an interesting addition to aquatic and bog gardens. One of the most notable features of Pilularia globulifera is its method of reproduction. The plant produces small, spherical sporocarps (spore cases) at the base of the fronds, which are about the size of a pinhead. These sporocarps contain the reproductive spores and can remain viable in the soil for several years, allowing the plant to survive through varying water levels and environmental conditions. Pillwort prefers full sun to partial shade and thrives in consistently moist to wet soils. It is particularly well-suited for the shallow edges of ponds, in bog gardens, or in other areas where water levels fluctuate. The plant can tolerate both submerged and emergent conditions, making it highly adaptable to different aquatic environments. In terms of care, Pilularia globulifera is relatively low-maintenance. It requires regular watering to maintain its preferred moist conditions, especially during dry periods. Overall, Pilularia globulifera is a fascinating and resilient plant that adds a touch of the unusual to water gardens and wetland landscapes. Its grass-like fronds and distinctive reproductive structures make it a valuable and attractive addition to gardens that focus on aquatic and marginal plants.