A. australiensis may refer to: Actinomyxa australiensis, a species of fungi in the family Microthyriaceae Aeromonas australiensis, a species of Gram-negative, anaerobic bacterium in the family Aeromonadaceae Aglaia australiensis, a species of plant in the family Meliaceae Asperoseius australiensis, a species of mite in the family Phytoseiidae Astonia australiensis, a species of plant in the family Alismataceae Australentulus australiensis, a species of proturan in the family Acerentomidae Austrochernes australiensis, a species of pseudoscorpion in the family Chernetidae