| Lagarinthus gibbus E.Mey. | Asclepias gibba (E.Mey.) Schltr. trib. Asclepiadeae |
| Lagarinthus multicaulis E.Mey. | Asclepias depressa (Schltr.) Schltr. trib. Asclepiadeae |
| Lagarinthus navicularis E.Mey. | Asclepias navicularis (E.Mey.) Schltr. trib. Asclepiadeae |
| Lagarinthus revolutus E.Mey. | Asclepias stellifera Schltr. trib. Asclepiadeae |
| Lagarinthus tenellus Turcz. | Schizoglossum aschersonianum Schltr. trib. Asclepiadeae |