Grass Varieties in the United States

U.S. Dept. of Agriculture

Varieties and Experimental Lines: Descriptions
Appendix A: USDA Plant Hardiness Zone Map; Land Resource Regions Map and Descriptions
Appendix B: Abbreviations Used in Handbook
Appendix C: Obsolete Grass Varieties and Experimental Lines No Longer Available in the U.S.
Appendix D: Common and Scientific Names of Plant Diseases and Insects Used in the Descriptions of Varieties and Experimental Lines
Index of Scientific Plant Names, Common Names, Varieties, and Strains