Richardia scabra Linnaeus, Species Plantarum 1: 330. 1753.

"Habitat in Vera Cruce." RCN: 2548.

Lectotype (Lewis & Oliver in Brittonia 26: 282. 1974): Herb. Linn. No. 451.1 (LINN; iso- BM?) .

Generitype of Richardia Linnaeus.

Current name: Richardia scabra L. ( Rubiaceae).