[2] It is native to Europe but can be found throughout North America as an introduced species.

It ranked first place among the "non-weed" perennials examined in a recent British study for meadow flora nectar productivity.

Its production was almost twice as high as the best-ranking annual that was not considered a weed.

Certain plants classed as weeds (including ragwort, bull thistle, and creeping thistle) produced the most nectar of all.

This Cichorieae article is a stub.