Equisetum ramosissimum subsp. debile (Roxb. ex Vauch.) Hauke in Am. Fern J. 52: 33. 1962
- ≡Equisetum debile Roxb. ex Vauch. in Mém. Soc. Phys. Hist. Nat. Genève (Mon. Prêles) 1: 387. 1822
- ≡Hippochaete debilis (Roxb. ex Vauch.) Holub in Preslia 44: 128. 1972
