Crop Science Registration. CV-12, BLUEGRASS. Issued: 01 Jan 1977.
- Jacklin, A. W., J. H. Thorne, R. E. Engel, W. K. Dickson, & C. R. Funk. 1977. Crop Sci. (Madison) 17(1):187. Note: CV-12
U.S. Plant patent. Plant Patent 3151, 88.Herbaceous Ornamental Foliage Plants. Issued: 02 May 1972.