Galinsoga quadriradiata Ruiz & Pav.
Family - Asteraceae
Stems - No info. yet.
Leaves - No info. yet.
Inflorescence - No info. yet.
Involucre - No info. yet.
Ray flowers - No info. yet.
Disk flowers - No info. yet.
Flowering - May - November.
Habitat - Waste ground, cultivated areas, roadsides.
Origin - Native to Central and South America.
Other info. - This weedy little species can be found scattered throughout Missouri. The plant can be identified by its small flowers, opposite leaves, and hairy stems. It commonly shows up in flower beds and in cultivated fields.
Photographs taken in Marquette, MI., 9-10-2003 (DETenaglia); also in St. Louis, 7-23-2015 (SRTurner).