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CCDB → Angiosperms → Alismataceae → Sagittaria → Sagittaria graminea Michx.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Sagittaria graminea Michx. | Sagittaria graminea Michx. | 22 | IPCN online | Löve, A. & D. Löve. 1982. In: IOPB chromosome number reports LXXIV. Taxon 31: 120–126. | |||
| Sagittaria graminea Michx. | Sagittaria graminea Michx. | 22 | IPCN online | Tanimoto, T. & T. Morikawa. 1988. A karyotype analysis of Sagittaria species in Japan. Kromosomo 50: 1620–1627. | |||
| Sagittaria graminea subsp. graminea | Sagittaria graminea Michx. | 22 | eFlora | ||||
| ! | Sagittaria graminea Michx. | Sagittaria graminea Michx. | 22 | C-values database | Baum A, Kenton AY, Bennett MD. (pers. comm. 1989). | ||
| Sagittaria eatonii J. G. Sm. | Sagittaria graminea Michx. | 22 | Cave1959 | Baldw.in &Speese 1955 | |||
| ! | Sagittaria graminea Michx. | Sagittaria graminea Michx. | 22 | Cave1959 | Baldwin & Speese 1965 |