SYMPHYOTRICHUM PYGMAEUM: TRANSFER OF EURYBIA PYGMAEA FROM THE EURYBIOID GRADE TO THE SUBTRIBE SYMPHYOTRICHINAE (ASTERACEAE: ASTEREAE)Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1633-1635Created: 2015-12-02, modified: 2015-12-02