fungus
Defined in 1 dictionary — U.S. Code
United States Code
7 U.S.C. § 136 — for purposes of this subchapter
The term “fungus” means any non-chlorophyll-bearing thallophyte (that is, any non-chlorophyll-bearing plant of a lower order than mosses and liverworts), as for example, rust, smut, mildew, mold, yeast, and bacteria, except those on or in living man or other animals and those on or in processed food, beverages, or pharmaceuticals.