Echinacea Laevigata or the Smooth Coneflower, an Endangered Plant Species

Echinacea laevigata or the smooth coneflower, an endangered plant species, was found in one acre of Lucy's 140 acres of timberland. She is prevented from cutting any of the timber on the tract and files a lawsuit based on:

A) Standing.
B) The Takings Clause of the Fifth Amendment.
C) The treaty power of the national government.
D) Nuisance.
E) All of the above.