Reference Terms
from Wikipedia, the free encyclopedia


Ragweeds (Ambrosia) is a genus of flowering plants from the sunflower family (Asteraceae).

They occur in temperate regions of the northern hemisphere and South America.

They prefer dry, sunny grassy plains.

Note:   The above text is excerpted from the Wikipedia article "Ragweed", which has been released under the GNU Free Documentation License.
Related Stories

Science News
May 22, 2017

Latest Headlines
updated 12:56 pm ET