Gonzalagunia thyrsoidea (Donn. Sm.) B.L. Rob. Gonzalagunia thyrsoidea (Donn. Sm.) B.L. Rob. in Proc. Amer. Acad. Arts 45: 405. 1910 sec. Borhidi 2006≡Gonzalea thyrsoidea Donn. Sm. in Bot. Gaz. 13(7): 188. 1888 syn. sec. Lorence & Taylor 2012