ASTERACEAE - - Aster Family

Iva annua Linnaeus — Sumpweed, Rough Marsh-elder

Habitat:

Fields, disturbed places; rare, in the eastern and inland part of area probably introduced (by native Americans) from farther west (the original distribution uncertain). This species was apparently an important crop of native Americans.

Habitat information from:
Weakley, Alan S., Flora of the Southern and Mid-Atlantic States, Working Draft of 21 May 2015.

Kartesz, J.T., The Biota of North America Program (BONAP). 2015. North American Plant Atlas. (http://bonap.net/napa). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].