Aster oblongifolius Nutt.
Symphyotrichum oblongifolium, the aromatic aster, is a species of Aster native to parts of eastern and central United States. It is found in parts of Kansas,Ohio, northern Illinois, hilly parts of southern Illinois, and on the banks of the Mississippi River and Illinois River, as well as other parts of the central United States, for example, in Missouri and other places including along the Ohio River, from Pennsylvania to Nebraska to Minnesota to Virginia. It is an uncommon herbaceous perennial.
- "Symphyotrichum oblongifolium". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 6 December 2015.
- "Kansas Wildflowers and Grasses - Aromatic aster". www.kswildflower.org. Archived from the original on 8 October 2009. Retrieved 2009-12-01.
- "Aromatic Aster (Aster oblongifolius)". www.illinoiswildflowers.info. Retrieved 2009-12-01.
- Nathaniel L. Britton, and Addison Brown (1970). An Illustrated Flora of the Northern United States and Canada, Vol. 3. Dover Publications. Retrieved 2009-12-03.
- Aster, Shale Barren (January 1983). "Aster Oblongifolius Nutt." (PDF). Ohio Department of Natural Resources. Retrieved 1 December 2009.
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- "Aster oblongifolius page". www.missouriplants.com. Retrieved 2009-12-01.
- Roger Tory Petersen, Margaret McKenny (1998). A field guide to wildflowers: Northeastern and North-central North America. Houghton Mifflin Harcourt. Retrieved 2009-12-03.
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