Join a Brooker Creek naturalist to explore the fascinating plants found on the preserve while identifying wildflowers, ferns, epiphytes, trees and more. The ecology of various plant communities will also be examined. Best suited for adult participants. Come prepared with your camera and questions. 10 to 11:30 a.m. Free; advance registration required. Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800; www.brookercreekpreserve.org. On a trial basis, Brooker Creek Preserve Environmental Education Center will be open from 9 a.m. to 4 p.m. on Wednesdays in March and April 2013, in addition to Thursday, Friday and Saturday.