Arachnothryx secundiflora (B.L. Rob.) Borhidi in Acta Bot. Hung. 28: 69. 1982 sec. Lorence 2011
- ≡Rondeletia secundiflora B.L. Rob. in Proc. Amer. Acad. Arts 45: 403. 1910 syn. sec. Lorence & Taylor 2012
- =Rondeletia vulcanicola Standl. & Steyerm. in Publ. Field Mus. Nat. Hist., Bot. Ser. 22: 291. 1940 syn. sec. Borhidi 2006
- =Arachnothryx vulcanicola (Standl. & Steyerm.) Borhidi in Acta Bot. Hung. 33: 303. 1987 syn. sec. Borhidi 2006