| Name | Echinodorus rostratus var. lanceolatus Engelmann |
| Authorship | Engelmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Echinodorus rostratus (Nuttall) Engelmann |
| Citation | 1848 Manual [A. Gray] 460 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Echinodorus rostratus var. lanceolatus Engelmann |
| Identification made in | [no date] (1) |
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