You searched for: Collection herbarium Remove constraint Collection: herbarium County Porter Remove constraint County: Porter Genus Equisetum Remove constraint Genus: Equisetum Kingdom Plantae Remove constraint Kingdom: Plantae 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