Ragged Robin - Lychnis flos-cuculi
Deep pink flowers with 5 deeply cut petals that are clustered on the ends of long, thin stalks.
This plant was introduced from Europe, but has become naturalized in the northeastern United States. The species name means "cuckoo flower", which is another common name for the plant.
Lychnis flos-cuculi, commonly called Ragged Robin, is a herbaceous perennial plant in the family Caryophyllaceae. It is species is native to Europe, where it is found along roads and in wet meadows and pastures. In Britain it has declined in numbers because of modern farming techniques and draining of wet-lands and is no longer common.