Johnson grass

A freshwater fish species of the family Cyprinidae (Ctenopharyngodon idella), native to eastern Asia.

A highly toxic herb (Gelsemium elegans), native to China, India, and southeast Asia, that yields poisons.

Synonym of Napier grass (Pennisetum purpureum)

Pennisetum purpureum, a perennial tropical grass native to Africa.

Synonym of Napier grass (Pennisetum purpureum) / Miscanthus spp. (silvergrasses), including Miscanthus sinensis (eulalia) and Miscanthus fuscus / Saccharum ravennae (ravennagrass, ekra)

A rose-scented grass used in perfume, Cymbopogon martinii

Bermuda grass, Cynodon dactylon.

Any grass in the genus Cynodon, especially Bermuda grass, Cynodon dactylon.

Stypandra glauca, the nodding blue lily (not a true grass).