Common Names: tall scouring-rush
Family: Equisetaceae
Common Names: smooth scouring-rush
Common Names: marsh horsetail
Common Names: giant horsetail
Common Names: gray rabbitbrush = chrysothamnus nauseosus
Family: Asteraceae
Common Names: fleabane, annual
Common Names: fleabane, hairy
Common Names: horseweed
Common Names: fleabane, dwarf
