Horticulture as a Pathway of Invasive Plant Introductions in the United States

"The majority of plants used in agriculture, forestry, and horticulture in North America are not native to the
continent.Most of the plants that have been introduced are not invasive; they carry out their intended purpose and therefore benefit humans in multiple ways, causing no problems. A small portion of introduced plants, however, escape from cultivation and become pests of natural areas. A recent study found that invasive plants, animals, and fungi are second only to habitat loss and degradation in endangering native
plant species (Wilcove et al. 1998)."

To read the complete article please visit:
http://www.bio.unc.edu/faculty/white/Reprints/Reichard_White_Horticulture%20as%20a%20Pathway.pdf