| Classification | Lemnaceae: Lemna |
| Classification 1 | Lemnaceae: Spirodela |
| Harvard University Herbaria Barcode(s) | 00266408 |
| Type Status | Isoneotype |
| Collector | J. Macoun |
| Collector number | 88277 |
| Country | Canada |
| Geography | North America: North America (CA, US, MX) (Region): Canada |
| Locality | Vancouver Island. Near Victoria. |
| Date Collected | 1908-06-17 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1325d5d3-2fa2-47b7-b829-7ba20291ff72 |
| Harvard University Herbaria Barcode | 00266408 |
| Herbarium | GH |
| Family | Lemnaceae |
| Type Status | Isoneotype |
| Isoneotype of | Lemna polyrhiza Linnaeus |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Lemna polyrhiza Linnaeus) Sp. Pl. 1753. 2: 970. |
| Family | Lemnaceae |
| Determination | Spirodela polyrhiza (Linnaeus) Schleiden |
| Determined by | Landolt, Elias |
| Date Determined | 1978 |
| Determination Remarks | [current name] |
| Family | Lemnaceae |
| Determination | Spirodela polyrhiza (Linnaeus) Schleiden |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |