References |
Hutchens,
Alma R. Indian Herbalogy of North America. Boston, MA: Shambhala
Publications, Inc.; 1973: 202-204. |
| Hyer, Dennis W. (2004). Verbascum thapsus: The Common Mullein. February 27, 2004. http://www.mullein-fields.org/verbascum_thapsus.html |
| PCA Alien Plant working Group. (2004). Common Mullein. February 27, 2004. http://www.nps.gov/plants /alien/fact/veth.htm |
| Virginia Tech Weed Identification Guide. (2004). Common Mullein: Verbascum thapsus. February 23, 2004. http://www.ppws.vt.edu/scott/weed_id/vesth.htm |