Lappula

Lappula is a genus of flowering plants in the borage family known generally as stickseeds. They are native to the northern hemisphere. These are annual herbs producing funnel-shaped flowers and prickly fruits. One of the best known species is the European stickseed, Lappula squarrosa, which is a notorious noxious weed.

Species include:
 * Lappula barbata
 * Lappula bracteatum
 * Lappula cenchrusoides – Great Plains stickseed
 * Lappula diploloma
 * Lappula marginata – margined stickseed
 * Lappula occidentalis – flatspine stickseed
 * Lappula squarrosa – European stickseed