Cherleria bifloraCherleria biflora is a species of plant in the family Caryophyllaceae. It is known as mountain stitchwort.DescriptionThe species is perennial, and forms mats and cushions. It flowers from June to August.RangeCherleria biflora is found in the upper subalpine and alpine zones in North America, Central and Northern Europe, and Asia.HabitatCherleria biflora is found in dry, gravelly to rocky slopes in the upper subalpine zone to alpine zone, and in the arctic zone.