Common Three-Seeded Mercury (Acalypha rhomboidea) also known as: Three-Seed Mercury, Three-Seeded Mercury, Diamond Three-Seed Mercury, Mercury Weed, Copper-Leaf, Rhombic Copper-Leaf, etc. Division - Magnoliophyta Class - Magnoliopsida Subclass - Rosidae Order - Euphorbiales Family - Euphorbiaceae Genus - Acalypha Weeds Taxonomic List List by Scientific Name List by Common Name