Caryophyllaceae (Pink family)

Broadleaf plant family

At least 14 species of “chickweed” and several species of sleepy catchfly make up the majority of this family in Missouri.

Bouncingbet
Saponaria officinalis
 

Catchfly, sleepy
Silene antirrhina
 

Chickweed, common
Stellaria media
 

Chickweed, mouseear
Cerastium vulgatum
 

Chickweed, nodding
Cerastium nutans
 

For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.