Program: Wednesday,May 16, 7:30 p.m. in the community room at Grace United Methodist Church, 38th and Cottage Grove Ave. in Des Moines. Pauline Drobney, biologist with the Neal Smith National Wildlife Refuge, will talk about and show slides of invasive species that are of increasing concern here in Iowa. . Workday: Saturday, May 19 from 9 a.m. to 4 p.m., at Ashworth Park in Des Moines. We will cut or pull garlic mustard . The infestation is severe in Ashworth; we hope there will be many volunteers. If you can come, wear long pants and long sleeves, and bring gloves. Des Moines Parks will furnish bags. Parking is just south of Ashworth Pool, south of Grand Avenue on 45th Street. (The art center and science center are on this street.) Someone will meet you at the parking area to show you where to work. For more information, call Jo Hudson at (515) 276-6359 or e-mail [log in to unmask] just show up, at the time most convenient for you, to work for any length of time you can. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - For SC email list T-and-C, send: GET TERMS-AND-CONDITIONS.CURRENT to [log in to unmask]