AstroNewt: Early Development of Newt in Space
Infrageneric systematics of Tagetes
The evolution of Carlina - A hypothesis based on ecogeography
Phytogenetic hypotheses for Asteraceae relationships
A proposed sectional classification for Mikania (Eupatorieae)
Chemotaxonomy of anthocyanins and phytoalexins in the Compositae
The status of generic and subtribal revisions in the Vernonieae
Recent revision of Senecioneae and Calenduleae systematics