Erodium cicutarium and Pin grass

Erodium cicutarium 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 and Erodium cicutarium are semantically related. In some cases you can use "Pin grass" instead a noun phrase "Erodium cicutarium".

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.

Erodium cicutarium and pin grass are semantically related. You can use "Erodium cicutarium" instead a noun phrase "Pin grass".