Clostridium guangxiense Zhao et al. 2017 Zhao X. Li D. Xu S. Guo Z. Zhang Y. Man L. Jiang B. Hu X. Clostridium guangxiense sp. nov. and Clostridium neuense sp. nov., two phylogenetically closely related hydrogen-producing species isolated from lake sediment 2017 67 3 710 715 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001702 27911258