Blue Mistflower [Conoclinium coelestinum] found at Fletcher Park on 22 August 2013. It’s a member of the Aster (Asteraceae) family and Newcomb’s Wildflower Guide, pages 436-437, states it blooms in late summer to fall in moist woods and thickets. The guide lists it under the scientific synonym of Eupatorium coelestinum. USDA Plants Listing: Conoclinium coelestinum