A map of Australia showing the known distribution of several species from the genus Botrylloides. The distribution of these species is based on molecular and morphological data. The ranges of B. perspicuus (yellow), B. saccus (grey), B. leachii (blue), B. firmus (green), B. violaceus (orange), and B. anceps (black) are shown. Data collected from Atlas of living Australia, 2020.