References
Der, J.P., J.A. Thomson, J.K. Stratford, and P.G. Wolf. 2009. Global chloroplast phylogeny and biogeography of bracken (Pteridium; Dennstaedtiaceae). Amer. J. Bot. 96: 1041-1049. Google Scholar
Der, J.P., J.A. Thomson, J.K. Stratford, and P.G. Wolf. 2009. Global chloroplast phylogeny and biogeography of bracken (Pteridium; Dennstaedtiaceae). Amer. J. Bot. 96: 1041-1049. Google Scholar