What's the difference between fleabane and horseweed?
Fleabane
Definition:
(n.) One of various plants, supposed to have efficacy in driving away fleas. They belong, for the most part, to the genera Conyza, Erigeron, and Pulicaria.
Example Sentences:
(1) Patch tests were negative for another 30 plants, including cocklebur (Xanthium strumarium), dog fennel (Anthemis cotula, fleabane (Erigeron strigosus), sneezeweed (Helenium autumnale), and feverfew (Tanacetum parthenium).
Horseweed
Definition:
(n.) A composite plant (Erigeron Canadensis), which is a common weed.