Asterales (weeds)
From Pestinfo-Wiki

Centaurea stoebe (Centaurea maculosa) (click on image to enlarge it)
Author(s):Matt Lavin
Source: Wikimedia Commons
Author(s):Matt Lavin
Source: Wikimedia Commons
Asterales (weeds)
This is a large order of plants with more than 25,000, mainly herbaceous species. The plants resemble daisies, thistles, sunflowers and bellflowers. Many species have composite flowers formed from many florets. The morphology of the stamina is characteristic.
The group includes the following weed families: