Profiles in Insurgency: The Irish Republican Army. Introductory note: This article is part of a series profiling different âinsurgentâ or âterroristâ groups. Care was taken to avoid including any inflammatory language about any organization profiled in the series or the organizationâs opposition.
Barrel cactus are the classic desert denizens of lore. There are a number of barrel cactus varieties within two genus types, the Echinocactus and the Ferrocactus. The Echinocactus has a fuzzy crown of fine spines, while the Ferrocactus are ferociously thorned.
Jupiterimages/Photos.com/Getty Images. Cactus plants, such as prickly pear and cholla, are familiar sights in the southwestern United States landscape. Some types of prickly pear grow in the eastern and Midwestern states. Cactus grows well in dry conditions and becomes a pest when it spreads into overused rangelands. Some cacti, such as prickly pear, are difficult to remove manually because little pieces grow into new plants.