Eleocharis obtusa (Willd.) J.A. Schultes
August 30,
Myles Standish State Forest, power line along Alden Rd., Plymouth
August 30,
Myles Standish State Forest, power line along Alden Rd., Plymouth soft-stemmed spike-rush
Echinochloa crus-galli advancing onto Eleocharis obtusa at a tiny depression