"*Aster ericoides var. depauperatus (Porter 1894)" . . . "*Aster parviceps var. pusillus (A. Gray) Fernald 1909)" . "Symphyotrichum depauperatum, also known as the Serpentine aster, is a rare species of aster adapted to serpentine barrens, an ecosystem with a high concentration of toxic metals in the soil.Symphyotrichum depauperatum is a perennial herb up to 50 cm (20 inches) tall, with 1-3 stems. Leaves are narrow, generally 2-4 cm (0.8-1.6 inches) long. The plant produces numerous flower heads in branched arrays, each head with 7\u201314 white or pink ray flowers surrounding 7\u201317 yellow disc flowers."@en . "*Aster ericoides var. pusillus (A. Gray 1884)" . . . . . . . "*Aster depauperatus (Fernald 1908)" . "Symphyotrichum depauperatum"@en . . "TNC" . "G2" . . .