Cerastium arvense L.  
Family: Caryophyllaceae
field chickweed, field mouse-ear chickweed, starry grasswort
Cerastium arvense image
Steve C. Garske  
Etymology: Cerastium: from Greek keras, "a horn," referring to the shape of the seed capsule
Plants: erect, perennial, 6"-16" tall forb, branched, often matting at the base
Leaves: mostly linear, stalkless
Flowers: white with a green center, 5-parted, 1/2" wide, petals 2-lobed and 2-3 times longer than the sepals; flower drawing inflorescence a terminal, branched cluster (cyme); blooms May-Aug.
Fruits: cylindrical capsule
Habitat: disturbed sites, prairies; in gravelly, rocky, sandy soil
Conservation Status: Native
Cerastium arvense image
Emmet J. Judziewicz  
Cerastium arvense image
Steve C. Garske  
Cerastium arvense image
Steve C. Garske  
Cerastium arvense image
Steve C. Garske