while the leaves look like parsley. Taste and Texture: "Parsnips are a mild-flavored root vegetable," says Alex Mazzucca, chef and co-owner of Seed to Sprout, a plant-based cafe in New Jersey.

As spring arrives, bringing longer and warmer days, nature awakens from its winter slumber and with it, a few unwelcome visitors. Among them are two particularly invasive and toxic plants: poison ...