It's a plus that they're so hard to get rid of, since they make excellent bee food.

We (my apartment building,) leave the dandelions to grow between lawn mowings, to give the bees stuff to eat and pollinate.

Chicory belongs to the same family of plants, Asteraceae, and is also used as a coffee substitute, wherein the roots are dried, roasted and ground.

Schoolhouse Rock made a song about an alien with 6 digits on each limb; Was all about Base 12 number system.