Arachnothryx septicidalis (B.L. Rob.) Borhidi Arachnothryx septicidalis (B.L. Rob.) Borhidi in Acta Bot. Hung. 28: 69. 1982 sec. Borhidi 2006≡Rondeletia septicidalis B.L. Rob. in Proc. Amer. Acad. Arts 45(17): 403–404. 1910 syn. sec. The Plant List 2013