Dioscorea bulbifera L. (ITIS)
Air potato, Air potato vine, air yam, bitter yam
Asia and Africa (Overholt et al. 2003)
First observed in the U.S. in Alabama in the 1770s; first introduced to Florida in 1905 (Gucker 2009)
Originally cultivated as a possible food crop and ornamental in the 1800s (Miller et al. 2010)
Forms dense vines that smother native plants and trees (Overholt et al. 2008)
Distribution / Maps / Survey Status
The section below contains highly relevant resources for this species, organized by source.
State and Local Government
Gucker, C.L. 2009. Dioscorea spp. In: Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.
Integrated Taxonomic Information System. Dioscorea bulbifera. [Accessed Sep 10, 2014].
Miller, J.H., E.B, Chambliss, and N.J. Loewenstein. 2010. Climbing Yams. In: A field guide for the identification of invasive plants in southern forests (PDF | 13.27 MB) (General Technical Report SRS-119). Asheville, NC: U.S. Forest Service, p. 63.
Overholt, W. A., C. Hughes, C. Wallace, and E. C. Morgan. 2003. Origin of air potato identified (PDF | 99 KB) Wildlands Weeds 7:9.
Overholt, W.A., K. Langeland, E.C. Morgan, J. Moll, and K. Gioeli. 2008. Air Potato in Florida (PDF | 113 KB) University of Florida, IFAS Extension.