Galium tinctorium Linnaeus, Species Plantarum 1: 106. 1753.

"Habitat in America septentrionali. Kalm." RCN: 863.

Lectotype (Fernald in Rhodora 37: 444, pl. 403, f. 1. 1935): Kalm, Herb. Linn. No. 129.5 (LINN; iso- BM?) .

Current name: Galium tinctorium L. ( Rubiaceae).