Sideranthus spinulosus (Pursh) Nuttall ex Nees
Sideranthus spinulosus (Pursh) Nuttall ex Nees is a synonym sensu IPNI of:
Xanthisma spinulosum (Pursh) D.R. Morgan & R.L. Hartman var. spinulosum, an accepted variety name sensu FNA Ed. Comm., 2006b.
Sideranthus spinulosus (Pursh) Nuttall ex Nees is a synonym sensu IPNI of:
Xanthisma spinulosum (Pursh) D.R. Morgan & R.L. Hartman var. spinulosum, an accepted variety name sensu FNA Ed. Comm., 2006b.