context source (Hexacorallia)Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of recordLambinon, J.; De Langhe, J.-E.; Delvosalle, L.; Duvigneaud, J. (1998). Flora van België, het Groothertogdom Luxemburg, Noord-Frankrijk en de aangrenzende gebieden (pteridofyten en spermatofyten). [Flora of Belgium, the Grand Duchy Luxemburg, north-France and the adjacent areas (pteridophyts and spermatophyts)]. 3rd Edition. Nationale Plantentuin van België: Meise, Belgium. ISBN 90-72619-23-4. CXXIII, 1091 pp. (look up in IMIS) [details]
additional sourceRuggiero, M. A.; Gordon, D. P.; Orrell, T. M.; Bailly, N.; Bourgoin, T.; Brusca, R. C.; Cavalier-Smith, T.; Guiry, M. D.; Kirk, P. M. (2015). Correction: A Higher Level Classification of All Living Organisms. <em>PLoS ONE.</em> 10(4): e0119248.[details]