Caption: A-C , Botrychium . A-B , B. lunaria . A , habit (R.J.Chinnock P953, AD); B , reduced form with simple spike and dissected leaflet from same population (W.Archer, 26 Jan. 1986, AD). C , B. australe , habit (C.Grove, Jan. 1904, AD). D , Helminthostachys zeylanica , habit (J.Russell-Smith 4794 & D.Lucas, DNA). E-G , Ophioglossum . E , O. intermedium , habit (G.Leach 2159, DNA). F-G , O. pendulum . F , habit; G , enlarged portion of spike (F-G , cult. Adelaide Botanic Garden).Illustrators: G.R.M.Dashorst.
Flora of Australia Volume 48 (1998) figure 46.