Hooked bristlegrass is native to a broad range across multiple continents, including parts of Africa, Asia, and Europe. The plant has been introduced to regions in South and North America as well as Oceania. Hooked bristlegrass is sometimes thought to be gently encroaching upon local flora in various introduced regions. Although hooked bristlegrass may have an impact on ecosystems, its presence is often subtle, with its adaptability allowing it to settle into diverse environmental niches.

Hooked bristlegrass poses mild toxicity risk to humans, dogs, and cats. Symptoms include gastrointestinal discomfort, vomiting, diarrhea, and potential skin irritation or allergic reactions. Immediate medical or veterinary care is crucial in cases of ingestion or contact. Owners and gardeners should prevent access to hooked bristlegrass to avoid adverse health effects.

Hooked bristlegrass, also known as Hooked bristlegrass, originates from Europe and Asia. This plant classifies as a weed due to its robust growth and reproduction capabilities. It possesses hook-tipped bristles that allow it to attach onto animals or human clothing, aiding its distribution. Hooked bristlegrass is highly adaptive, growing prolifically in diverse environments, including gardens, where it often out-competes native plant species for resources. Its invasive nature and fast spread can significantly disrupt the balanced ecosystem of a garden, making it a harmful presence. The primary way hooked bristlegrass spreads is through seed dispersal. Its seeds easily detach and are dispersed by wind and water, as well as inadvertently by humans and animals. The sticky nature of the seeds further facilitates their effective distribution, increasing the plant's invasive potential.

The best season to remove hooked bristlegrass, or hooked bristle grass, is from late spring to early fall. This is the growing period for the plant, and it is crucial for the removal to take place before the weed reaches its seed-setting stage to prevent further spread.