● Bournaud C,Moulin L,Cnockaert M,de Faria SM,Prin Y,Severac D,Vandamme P (2016). Paraburkholderia piptadeniae sp. nov. and Paraburkholderia ribeironis sp. nov., two root-nodulating symbiotic species of Piptadenia gonoacantha in Brazil. Int. J. Syst. Evol. Microbiol..
