01-001-313 Me. Code R. § 9
"Lawn grass seed" or "lawn seed mixture" may be labeled as such provided the mixture contains not less than 55 percent by weight of the pure seed of the recognized lawn or turf producing grasses and white clover which are now or later may be generally used in such mixtures. Such grasses shall include the bent grasses, (Agrostis spp), including redtop (Agrostis alba); blue grasses (Poa spp.); fescues (Festuca spp.); excluding meadow fescue (Festuca pratensis); Norlea variety of perennial ryegrass (Lolium perenne); and white clover (Trifolium repens). Such a mixture shall contain not more than 15 percent by weight of inert matter, 1.5 percent of weed seeds, and 10 percent of timothy.
The name or names used to designate or describe other special purpose mixtures or indicate their special composition, shall be truly descriptive and the mixture shall contain not less than 25 percent by weight of the pure seed of kinds of plants known to be reasonably well suited or adapted for the particular purpose indicated in the usage name used. (Such for Instance as Shady Spot Mixture).
When a mixture is given the name of a park, club, or some other public place, it shall not be considered properly labeled unless it actually is a mixture or formula of grasses used in that place from which the name has been taken.
01-001 C.M.R. ch. 313, § 9