Viper's grass can refer to:
See also
edit- Bidens campylotheca, viper beggarticks
- Echium, a flowering plant genus with some species known as viper's bugloss, particularly:
- Echium plantagineum, purple viper's bugloss
- Echium vulgare
- Echium sabulicola, sand viper's gloss
- Maurandya barclayana, Mexican viper
- Pentalinon luteum, hammock viper's-tail