Carex Crus-Corvi, or more commonly know as Ravenfoot Sedge, is a graminoid with green foliage and green flowers of the genus Carex. It has a moderate growth rate and a height of 3 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring, blooms during spring and is somewhat tolerant of shade. Carex Crus-Corvi or Ravenfoot Sedge's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Florida, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Virginia and Wisconsin.