White Snakeroot (Ageratina altissima) also known as: Richweed, White Sanicle or Tall Boneset. formerly designated as Eupatorium Rugosum  Division - Magnoliophyta Class - Magnoliopsida Subclass - Asteridae Order - Asterales Family - Asteraceae Genus - Ageratina                 Taxonomic List List by Scientific Name Text Only List by Scientific Name |