Template:Metzgar et al., 2008
- Metzgar, J.S., Skog, J.E., Zimmer, E.A. & Pryer, K.M. 2008. The Paraphyly of Osmunda is Confirmed by Phylogenetic Analyses of Seven Plastid Loci. Systematic Botany 33(1): 31–36. DOI: 10.1600/036364408783887528 BioOne ResearchGate