Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Echinacea. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=149855 on 2021-04-14
RAS (Eds.) (2021). Register of Antarctic Species. Echinacea. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=149855 on 2021-04-14