Eriocaulon triangulare Linnaeus, Species Plantarum, ed. 2, 1: 128. 1762.

"Habitat in Brasilia." RCN: 730.

Type not designated.

Original material: Herb. Linn. No. 105.1 (LINN); [icon] in Morison, Pl. Hist. Univ. 3: 259, s. 8, t. 16, f. 17. 1699; [icon] in Breyn, Exot. Pl. Cent.: 108, t. 50. 1678.

Current name: Paepalanthus triangularis (L.) Körn . ( Eriocaulaceae).