Carex lasiocarpa is a species of sedge that is commonly found in the wetlands of North America. This plant has many common synonyms that are used in order to help people identify it more easily. Some of the most popular synonyms for Carex lasiocarpa include brown sedge, woollyfruit sedge, Northern oval sedge, and tussock sedge. Other common names for this plant include bog sedge, water sedge, and tundra sedge. These synonyms are useful because they help people to find and identify this important species in many different habitats. Overall, these synonyms are helpful for researchers, conservationists, and anyone who is interested in identifying Carex lasiocarpa.