The 2020 joint Weed Science Society of America (WSSA) and Western Society of Weed Science (WSWS) Annual Meeting at the Hyatt Regency Maui Resort and Spa. This venue is set upon 40 oceanfront acres on Maui’s Ka’anapali Beach. There will be five symposia related to important and impactful subjects that need attention in Weed Science. These include: 1) Genomics of Weedy and Invasive Species - 2025 and Beyond, 2) The Ecological and Biodiversity Impact of Invasive Grass Species and Their Management, 3) 2020 Vision for Hawaiian Invasive Plant Management, 4) The Role of Intelligent Machines in Weed Management, and 5) Glyphosate Toxicology and Weed Science.