Wolffia columbiana H. Karst., Bot. Untersuch. 1: 103. 1865 sec. Espejo-Serna & López-Ferrari 2008
- =Grantia columbiana (H. Karst.) MacMill., Metasp. Minnesota valley: 135. 1892 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Bruniera columbiana (H. Karst.) Nieuwl. in Amer. Midl. Naturalist 2: 306. 1912 syn. sec. Espejo-Serna & López-Ferrari 2008