Basionym Name:Hexagonia thwaitesii f. resupinata Pat., Leafl. of Philipp. Bot. 6(no. 104): 2245 (1914)
Homotypic synonyms:Hexagonia thwaitesii var. resupinata (Pat.) Sacc. & Trotter, Syll. fung. (Abellini) 23: 445 (1925)