Synonyms
Marshallia lanceolata var. platyphylla M.A.Curtis ex Chapm.
Marshallia obovata var. platyphylla (M.A.Curtis ex Chapm.) Beadle & F.E.Boynton
Persoonia lanceolata Michx.
Phyteumopsis lanceolata Poir.
Athanasia obovata Walter
Trattenikia lanceolata Pers.
Marshallia lanceolata Pursh
Marshallia obovata var. scaposa Channell