salmonella typhimurium: a form of salmonella that causes food poisoning in humans
salmonella: rod-shaped Gram-negative enterobacteria; cause typhoid fever and food poisoning; can be used as a bioweapon
hemerocallis: east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae