Grabowskia boerhaaviifolia (L. f.) Schltdl. Grabowskia boerhaaviifolia (L. f.) Schltdl. in Linnaea 7: 71. 1832 sec. Martínez & al. 2017=Grabowskia geniculata (Fernald) C.L. Hitchc. in Ann. Missouri Bot. Gard. 19: 331. 1932 syn. sec. Martínez & al. 2011