Pin grass and Redstem storksbill

Pin grass noun - European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage.

Redstem storksbill is a synonym for pin grass. In some cases you can use "Redstem storksbill" instead a noun phrase "Pin grass".

Redstem storksbill noun - European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage.

Pin grass is a synonym for redstem storksbill. You can use "Pin grass" instead a noun phrase "Redstem storksbill".