The following corrections correspond to our recently published review article .
Figure 1, the note of true stomata should be placed to the left of the branchpoint for mosses and hornworts, as both groups possess stomata.
Figure 2, Fig 2C is Orthotrichum anomalum. Full citations for images used in this figure are:
(A) Edwards D, Kerp H, Hass H: Stomata in early land plants: an anatomical and ecophysiological approach.J Exp Bot 1998, 49(Suppl 1):255–278, reprinted by permission of Oxford University Press.
(B-C) Ligrone R, Duckett JG, Renzaglia KS: Major transitions in the evolution of early land plants: a bryological perspective.Ann Bot 2012, 109:851–871, reprinted by permission of Oxford University Press.
(D) de León MEM, Pérez-García B, Márquez-Guzmán J, Mendoza-Ruiz A: Developmental gametophyte morphology of seven species of Thelypteris subg. Cyclosorus (Thelypteridaceae).Micron 2008, 39:1351–1362, reprinted by permission of Elsevier.
(E) Kim KW, Lee S, Bae S, Kim P: 3d surface profiling and high resolution imaging for refining the florin rings and epicuticular wax crystals of Pinus koraiensis needles.Microsc Res Tech 2011, 74:1166–1173, reproduced by permission of John Wiley and Sons.
(G) Koch K, Bhushan B, Barthlott W: Multifunctional surface structures of plants: an inspiration for biomimetics.Progress in Materials Science 2009, 54:137–178, reprinted by permission of Elsevier.