The Artstor website will be retired on Aug 1st. The Florida Entomologist Vol. 84, No. 4, Dec., 2001 Opuntia Cacti of North America: An Overv... The Cactaceae are a diversified group of New World ...

Here they are 3 years later building a third level." The picture showed opuntia, also known as prickly pear cactus, which Weeds Australia describes as "an aggressive invasive weed that can take ...