United States. Seed and Plant Introduction and Distribution

• Alfalfa (Medicago sativa)
• Arabian alfalfa (Medicago sativa var.).
• Barnyard millet (Panicum crus-galli)
• Black-hulled kafir corn (Andropogon sorghum var.).
• Broom corn (Andropogon sorghum)
• Canada bluegrass (Poa compressa)
• Cold-resistant alfalfas (Medicago sativa)
• Cowpeas (Vigna unguiculata)
• Creeping bent (Agrostis stolonifera)
• Crested dog's-tail (Cynosurus cristatus L.).
• Crimson clover (Trifolium incarnatum)
• Drought-resistant alfalfas (Medicago sativa)