Sept. 21, Downtown St. Cloud, 9th Street, free. Florida Native Plant Society Pine Lily Chapter: The topic will be favorite Florida parks and hiking trails, and local conservation efforts. 6:30 p.m.

Sept. 20, 9 a.m.-3 p.m. Sept. 21, Bahia Shrine Center, 3101 E. Semoran Blvd., Apopka, $2, free for ages 11 or younger, 407-476-7290. Learn to Square Dance: The Hoedowners Pairs & Spares Square Dance ...

More than 50 tables of dealers buying and selling cards and memorabilia. Proceeds benefit homeless children. 3-8 p.m. Sept.

Free League Publishing has shared the first look at new content for the upcoming ALIEN The Roleplaying Game Second Edition ...