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CCDB → Angiosperms → Boraginaceae → Hydrophyllum → Hydrophyllum appendiculatum Michaux
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hydrophyllum appendiculatum Michaux | Hydrophyllum appendiculatum Michx. | 18 | Fedorov, 1974 | Cave, Constance 1942 | ||
| ! | Hydrophyllum appendiculatum Michaux | Hydrophyllum appendiculatum Michx. | 18 | Fedorov, 1974 | Constance 1963 |