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CCDB → Angiosperms → Acanthaceae → Hygrophila → Hygrophila ringens var. ringens
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hygrophila angustifolia R. Br. | Hygrophila ringens var. ringens | 44 | IPCN online | Subramanian, D. & T. Govindarajan. 1980. Cytotaxonomy of some species of Acanthaceae. J. Cytol. Genet. 15: 90–92. | |||
| Hygrophila angustifolia R. Br. | Hygrophila ringens var. ringens | 44 | IPCN online | Govindarajan, T. & D. Subramanian. 1983. Karyomorphological studies in south Indian Acanthaceae. Cytologia 48: 491–504. | |||
| ! | Hygrophila quadrivalvis (B. -Ham.) Nees | Hygrophila ringens var. ringens | 32 | IPCN online | Govindarajan, T. & D. Subramanian. 1985. Karyomorphological studies in south Indian Acanthaceae. Cytologia 50: 473–482. | ||
| ! | Hygrophila quadrivalvis (B. -Ham.) Nees | Hygrophila ringens var. ringens | 32 | IPCN online | Khatoon, S. & S. I. Ali. 1993. Chromosome Atlas of the Angiosperms of Pakistan. Department of Botany, University of Karachi, Karachi. |