You searched for: County Porter Remove constraint County: Porter Class Equisetopsida Remove constraint Class: Equisetopsida Genus Equisetum Remove constraint Genus: Equisetum Order Equisetales Remove constraint Order: Equisetales Phylum or Division Equisetophyta Remove constraint Phylum or Division: Equisetophyta Scientific Name Equisetum laevigatum Remove constraint Scientific Name: Equisetum laevigatum