Arachnothryx stachyoidea (Donn. Sm.) Borhidi Arachnothryx stachyoidea (Donn. Sm.) Borhidi in Acta Bot. Hung. 28: 69. 1982 sec. Lorence 2011≡Rondeletia stachyoidea Donn. Sm. in Bot. Gaz. 42(4): 298–299. 1906 syn. sec. The Plant List 2013