Iva microcephala, the piedmont marsh elder or small-headed marsh-elder, is a North American species of flowering plants in the family Asteraceae. It grows in the southeastern United States in Alabama, Florida, Georgia, and the Carolinas.Biota of North America Program 2014 county distribution map
Iva microcephala is a wind-pollinated annual herb sometimes as much as 100 cm (40 inches) in height. Leaves are very narrow, sometimes thread-like, up to 6 cm (2.4 inches) long. Flower heads are small, clustered in elongated arrays at the tips of branches, each head containing only about 5-8 flowers.Flora of North America, Iva microcephala Nuttall 1840
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