Knoellia subterranea Groth et al. 2002 Groth I. Schumann P. Schutze B. Augsten K. Stackebrandt E. Knoellia sinensis gen. nov., sp. nov. and Knoellia subterranea sp. nov., two novel actinobacteria isolated from a cave. 2002 52 1 77 84 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-52-1-77 11837319