Clostridium akagii Kuhner et al. 2000 Kuhner C.H. Matthies C. Acker G. Schmittroth M. Gößner A.S. Drake H.L. Clostridium akagii sp. nov. and Clostridium acidisoli sp. nov.: acid-tolerant, N2-fixing clostridia isolated from acidic forest soil and litter. 2000 50 2 873 881 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-50-2-873 10758899