Symphyotrichum patens (Aiton) G.L.Nesom var. patens
clasping aster, skydrops, skydrop aster
clasping aster, skydrops, skydrop aster
September 12,
Prospect Hill Park, Waltham
Involucral bracts imbricated, with more or less spreading to squarrose green tips and entire diamond-shaped green zone within their distal 1/5 to 1/3.