Oligoneuron album
Other names:
prairie goldenrod
From the Connecticut Botanical Society
Prairie flat-top-goldenrod is 12-18 in. tall with flat-topped flower heads bearing white ray petals and yellow disk centers. The basal, as well as stem foliage, is shiny dark-green, narrow and willow-like.
• Family: Aster (Asteraceae)
• Habitat: dry open areas, usually in limy soil
• Height: 1-2 feet
• Flower size: flowerheads 3/4 inch across
• Flower color: white
• Flowering time: June to September
• Origin: native