| Classification | Haloragaceae: Myriophyllum |
| Harvard University Herbaria Barcode(s) | 00067708 |
| Type Status | Holotype |
| Collector | M. L. Fernald, B. H. Long & H. St. John |
| Collector number | 7843 |
| Country | Canada |
| State | Quebec Province |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Quebec Province: Gaspésie–Îles-de-la-Madeleine (Quebec): Magdalen Islands |
| Locality | Coffin Island. Shallow ponds among the sand hills between East Cape and East Point |
| Date Collected | 1912-08-17 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/33b27aca-5452-4bc1-adee-34403cf8fdd6 |
| Harvard University Herbaria Barcode | 00067708 |
| Herbarium | GH |
| Family | Haloragaceae |
| Type Status | Holotype |
| Holotype of | Myriophyllum magdalense Fernald |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Myriophyllum magdalense Fernald) Rhodora 1919. 21: 122. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |