The most toxic plant in North America is the poison hemlock (Conium maculatum), which contains alkaloids that can be lethal if ingested.
orchids rare breed only found in america
North America Cnidoscolus stimulosusCyanophyta (in water)Heracleum mantegazzianumLaportea canadensisMetopium toxiferum (Southern USA)Toxicodendron spp.Urtica spp. Datura stramonium would probably be the most toxic plant in North America, it contains scopolamine and atropine along with other various tropanes. It's is a deliriant as well as blocking acetylcholine and causes severe de-hydration.
South Dakota
Western North America is the most mountainous part of North America.
There are a massive amount of endangered plant species out there. Use the link listed below for the USDA Natural Resources Conservation Service, to help you find a complete list of the most endangered plant species in North America.
Panama is the most southern country in North America.
Lily of the Valley is a perennial herbaceous plant that belongs to the Asparagaceae family. It is known for its delicate white, bell-shaped flowers and sweet fragrance, but it is important to note that all parts of the plant are toxic if ingested.
which region cover most of north america
America's most toxic cities have bad air and water, a slew of Superfund sites, and high number of company-reported toxic releases. The five most toxic cities include Philadelphia, Fresno, Los Angeles, New York City, and Washington D.C.
Canada is in north america, does this answer your question?
Most of North America is north of the Tropic of Cancer.
The most common languages in North America are English, Spanish, and French.