The poison hemlock (Conium maculatum L.) is a dangerous plant that grows throughout the United States. Hemlock poisoning occurs after ingesting any part of the plant, such as the seeds, flowers, ...

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 ...

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 ...

An invasive plant that is toxic to the touch is rapidly spreading throughout Tennessee, as officials tell residents to beware of the increasingly prevalent danger. Poison hemlock is spawning along ...

Poison hemlock, Conium maculatum, is a tall, invasive, non-native that grows along trails and roads throughout Marin. It can grow to 8 feet tall with clusters of white flowers in an umbel shape. The ...

HARRISBURG, Pa. — Invasive weed Conium maculatum, or poison hemlock, is spreading aggressively in Pennsylvania, according to experts at Penn State Extension. Poison hemlock is native to Europe, ...