Eupatorium altissimum L.
Tall thoroughwort
[An article has not been written yet.]
Eupatorium saltuense Fernald， non Agertina altissima (L.) R.M. King & H. Rob.
9/28/2012 · By Jacquelyn Boyt 
9/28/2012 · By Jacquelyn Boyt 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Asteridae | A large class that encompasses asters |
| Order | Asterales | Flowering plants with a central disk flower and surrounding petals, like daisies |
| Family | Asteraceae | The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers |
| Genus | Eupatorium | From Mithridates Eupator, King of Pontus, who found an antidote to poison in one of the species |
| Species | altissimum | Very tall, tallest |
Eupatorium altissimum description by Thomas H. Kent, not updated.
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