Synonyms: Aspalathus rugosa linearifolia; Desmodium angustifolium var. angustifolium; Desmodium angustifolium var. gramineum; Desmodium angustifolium var. typicum; Desmodium canum var. angustifolium (homotypic); Desmodium frutescens var. amblyophyllum; Desmodium frutescens var. angustifolium (homotypic); Desmodium gramineum; Desmodium incanum var. angustifolium (homotypic); Desmodium linearifolium; Desmodium subspicatum; Desmodium supinum var. amblyophyllum; Desmodium supinum var. angustifolium (homotypic); Hedysarum angustifolium (heterotypic); Hedysarum mexicanum (heterotypic); Meibomia angustifolia (homotypic); Meibomia graminea; Meibomia incana var. angustifolia (homotypic); Meibomia linearifolia; Meibomia subspicata; Trineuria linearifolia