March 12, 1:00 p.m. social, followed by the meeting at 1:30 p.m., NPSOT Kerrville. Cheryl Hamilton, Alamo Area Master Naturalist and co-founder in 2010 of the Balcones Chapter of the Invaders of Texas Program, will present “Invasive Plants: Stop the Spread, Spread the Word, Just Do It!” Riverside Nature Center. Visitors welcome.