| Subject | English | Spanish |
| nat.sc., agric. | quack grass | grama oficinal (Agropyron repens, Elytrigia repens, Triticum repens) |
| nat.sc., agric. | quack grass | agropiro común (Agropyron repens, Elytrigia repens, Triticum repens) |
| nat.sc., agric. | quack grass | grama del Norte (Agropyron repens, Elytrigia repens, Triticum repens) |
| bot. | quack grass | grama del norte Agropyron repens, Elymus repens |
| agric., mech.eng. | quack grass tooth | brazo |
| agric., mech.eng. | quack grass tooth | diente flexible |
| agric., mech.eng. | quack grass tooth | reja |