Puccinelli distans, commonly known as European alkali grass, is a perennial grass species recognized for its tolerance to saline and alkaline conditions. This characteristic makes it a significant component of plant communities in environments that are often inhospitable to many other species. Its ecological role in these specialized habitats is noteworthy, contributing to the biodiversity and stability of salt-affected landscapes. Physically, Puccinellia distans typically forms dense tufts or sods, growing to a height of approximately 20 to 80 centimeters. The plant's growth habit is caespitose, meaning it arises from a compact base. Its leaves are slender, linear, and often involute (rolled inward), measuring about 5 to 20 centimeters in length and typically 1 to 3 millimeters in width. The leaf blades are smooth and have a somewhat glaucous or bluish-green appearance. The ligule, the membrane at the junction of the leaf blade and sheath, is membranous and usually 2 to 5 millimeters long. The inflorescence is a panicle, which is open and spreading, often appearing somewhat pyramidal. The panicle branches are slender and spread widely, bearing numerous small spikelets. Each spikelet is typically 4 to 8 millimeters long and contains 2 to 5 florets. The glumes are unequal, with the lower glume usually shorter than the upper. The lemmas are typically 2 to 3 millimeters long and are often minutely toothed at the apex, with a prominent awn-like tip (mucro). The caryopsis, or grain, is oblong and measures about 1.5 to 2 millimeters in length. The native distribution of Puccinellia distans is widespread across Europe and parts of Asia. It is often found in disturbed areas, along roadsides, in pastures, and in coastal regions, particularly in habitats with high soil salinity or alkalinity. It thrives in wet to moist soils, but its tolerance to drought once established is also a notable feature. Natural habitats include salt marshes, saline meadows, and other alkaline grasslands. While not widely cultivated, its resilience to challenging soil conditions suggests potential for use in ecological restoration projects in saline or alkaline areas. Puccinelli distans plays an important ecological role by colonizing and stabilizing soils in saline environments, preventing erosion and providing habitat for other organisms. Its ability to tolerate high salt concentrations is due to physiological adaptations that allow it to manage ion uptake and osmotic balance. This grass is a food source for various invertebrates and is part of the grazing ecosystem in its native range. While it has no significant ornamental, medicinal, or culinary uses, its ecological significance in saline habitats is its primary importance. An interesting characteristic of European alkali grass is its ability to thrive in soils that would be toxic to many other plant species, demonstrating remarkable adaptation to environmental stress.