Alfilaria and Pin clover

Alfilaria 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 clover is a synonym for alfilaria. In some cases you can use "Pin clover" instead a noun "Alfilaria".

Pin clover 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.

Alfilaria is a synonym for pin clover. You can use "Alfilaria" instead a noun phrase "Pin clover".