Caption: Ceratophyllum . A-E , C. demersum . A , habit; B , male flower; C , perianth; D , leaves; E , fruit (A-E , T.Stanley 9001, BRI). F , C. muricatum subsp. muricatum , fruit (G.Goodrick, CANB 327574).Illustrators: W.Smith.
Flora of Australia Volume 2 (2007) figure 54.