与“日本黄猄草 Championella japonica (Thunb.) Bremek.”相关的种有：

台湾黄猄草Championella fauriei (Benoist) C. Y.Wu & C. C. Hu

锈毛黄猄草Championella fulvihispida (D. Fang & Lo) C. C. Hu & C. Y. Wu

贵阳黄猄草Championella labordei (H. Lév.) E. Hossain

长花黄猄草Championella longiflora (Benoist) C. Y. Wu & C. C. Hu

海南黄猄草Championella maclurei (Merr.) C. Y. Wu & Lo

少花黄猄草Championella oligantha (Miq.) Bremek.

菜头肾Championella sarcorrhiza C. Ling

黄猄草Championella tetrasperma (Champ. ex Benth.) Bremek.

黄花黄猄草Championella xanthantha (Diels) Bremek.