Invasive plant: An invasive plant refers to any non-native plant species that spreads aggressively and causes harm to ecosystems by outcompeting native plants or altering natural habitats.
Skin irritant: A skin irritant is any substance that causes inflammation or discomfort when it comes into contact with the skin. Giant hogweed's sap contains chemicals that can cause severe burns and blisters on human skin.
Ecological impact: Ecological impact refers to the effects that an organism or activity has on an ecosystem. The presence of invasive plants like giant hogweed can disrupt native plant communities and reduce biodiversity.