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CCDB → Angiosperms → Lamiaceae → Physostegia → Physostegia angustifolia Fernald
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Physostegia angustifolia Fernald | Physostegia angustifolia Fernald | 38 | IPCN online | Cantino, P. D. 1982. A monograph of the genus Physostegia (Labiatae). Contr. Gray Herb. 211: 1–105. |