Kip, N., Dutilh, B.E., Pan, Y., Bodrossy, L., Neveling, K., Kwint, M.P., et al. (2011) Ultra-deep pyrosequencing of pmoA amplicons confirms the prevalence of Methylomonas and Methylocystis in sphagnum mosses from a Dutch peat bog. Environmental Microbiology Reports, 3, 667-673.