Machaeranthera canescens (Pursh) A. Gray
Machaeranthera canescens (Pursh) A. Gray is a synonym sensu FNA Ed. Comm., 2006b of:
Dieteria canescens (Pursh) Nuttall var. canescens, an accepted variety name sensu FNA Ed. Comm., 2006b.
Machaeranthera canescens (Pursh) A. Gray is a synonym sensu FNA Ed. Comm., 2006b of:
Dieteria canescens (Pursh) Nuttall var. canescens, an accepted variety name sensu FNA Ed. Comm., 2006b.