Sandbergia perplexa (L.F. Hend.) Al-Shehbaz
Publication: Harvard Pap. Bot. 12: 426. 2007. 2007.
Halimolobos perplexa (L.F. Hend.) Rollins, orthographic variant [HC]
Halimolobos perplexa (L.F. Hend.) Rollins var. lemhiensis C.L. Hitchc., orthographic variant [HC]
Halimolobos perplexa (L.F. Hend.) Rollins var. perplexa, orthographic variant [HC, Rollins 1993a]
Sisymbrium perplexum L.F. Hend.
Sophia perplexa (L.F. Hend.) Rydb.