a yearly Mediterranean plant (Erodium cicutarium) having pinnately dissected leaves and tiny pink or purple plants. It's a widespread grass and is used for springtime forage in the western usa. Also called filaree, pin clover.
The pin lawn (Erodium cicutarium), a weed in Ca.
European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with little fernlike leaves and little deep reddish-lavender blossoms followed closely by thin fruits that stick straight-up; often cultivated for forage