Medically reviewed by Dr. Zehra Siddiqui, MSc, PhD — Plant Cytogenetics & Biotechnology SpecialistLast Updated: 2025-12-28 Introduction Many edible backyard weeds have dangerous doppelgängers that look harmless but can cause poisoning, neurological damage, or organ failure if consumed. Foraging accidents almost always occur due to misidentification. “The most common cause of plant-related poisoning is confusion…