Journal volume

2011. Volume 19. Phytotaxa.

Articles

1. Christenhusz, M.J.M., Zhang, X.-C. & Schneider, H., 2011. A linear sequence of extant families and genera of lycophytes and ferns: 7-54.
2. Christenhusz, M.J.M., Reveal, J.L., Farjon, A., Gardner, M.F., Mill, R.R. & Chase, M.W., 2011. A new classification and linear sequence of extant gymnosperms: 55-70.