Spiny Sow-Thistle [Sonchus asper] found near Fletcher Park on 1 September 2014. It’s a member of the Aster (Asteraceae) family. Wildflowers of the Carolinas, pages 354-355, states it blooms in spring, summer, and fall in dry soils and disturbed areas and that “cows avoid the annual because it is so spiny, allowing it to overrun …