Poison hemlock (Conium maculatum L.) has been spreading like wildfire throughout Greater Columbus in recent years, and if it has taken root on your property, now may be the best time of the year to ...
Poison hemlock (Conium maculatum) was originally brought to the United States in the 1800s as an ornamental garden plant (another good idea gone awry) and is now found throughout North America. Rogue ...
Seeds of four species of Umbelliferae [Anthriscus sylvestris (L.) Hoffm., Conium maculatum L. Daucus carota, L. and Heracleum sphondylium L.] were sown separately into plots of grassland given two ...
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