Spigelia schomburgkiana Benth.
Spigelia humboldtiana var. breviflora Chodat & Hassl.
Spigelia rubelliana Arechav.
Spigelia humboldtiana var. obtusifolia Progel
Spigelia guaranitica Chodat & Hassl.
Spigelia uruguaya Arechav.
Spigelia guaranitica var. interrupta Kraenzl.
Spigelia hassleriana var. major Chodat & Hassl.
Spigelia australis L.B.Sm.
Spigelia chamaedryoides Kraenzl.
Spigelia hassleriana f. roseiflora Chodat & Hassl.
Spigelia scabra Cham. & Schltdl.
Spigelia breviflora (Chodat & Hassl.) H.Hurley ex Fern.Casas
Spigelia humboldtiana var. pubescens Progel
Spigelia scabra var. angustata Progel
Spigelia intermedia Arechav.
Spigelia quaternata Eastw.
Spigelia hassleriana Kraenzl.