Missouri Weed Seeds

Scrophulariaceae (Figwort family)

Broadleaf plant family

Of the nearly 280 genera, at least 25 are known to be in Missouri. The genera that contain mullein and speedwell are among the most common.

Mullein, common
Verbascum thapsus
 

Mullein, moth
Verbascum blattaria
 

Speedwell, corn
Veronica arvensis
 

Speedwell, purslane
Veronica peregrina
 

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