All are true about wildfires except:

The statement regarding controlled fire often occurring in wildland areas is accurate in certain contexts but not synonymous with wildfires. Wildfires are typically uncontrolled, rapid, and destructive fires that can rapidly spread through vegetation, fueled by environmental conditions such as dry weather, wind, and available fuel.

Controlled burns, often referred to as prescribed fires, are intentional and managed fires used by land management professionals to reduce the risk of larger, uncontrolled wildfires, restore ecosystems, and manage land. These controlled burns are executed under specific conditions to ensure safety and effectiveness, which distinguishes them from wildfires that occur spontaneously, often posing a significant risk to life and property.

The other statements accurately describe the nature and behavior of wildfires: they can occur in a variety of terrains, such as forests and grasslands; lightning and human activities are indeed common ignition sources; and the terminology often used to describe wildfires is indeed "wildland fire." This understanding of the distinction between controlled burns and wildfires is crucial for effectively managing and mitigating fire risks in wildland areas.