| Classification | Alismataceae: Sagittaria |
| Classification 1 | Alismataceae: Lophotocarpus |
| Classification 2 | Alismataceae: Sagittaria |
| Harvard University Herbaria Barcode(s) | 00022716 |
| Type Status | Isosyntype |
| Collector | G. Engelmann |
| Country | United States of America |
| State | Missouri |
| Geography | North America: US and Canada (Region): United States of America: Missouri |
| Locality | On the Merrimac [River] MO |
| Locality Remarks | [Protologue: "Also in Missouri, and in the Merrimac River, Massachusetts." The "and" is incorrect as is "Massachusetts" as this taxon doesn't occur there.] |
| Date Collected | 1856-07-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e16a65bf-5ff1-48a5-9724-fd8b771333f4 |
| Harvard University Herbaria Barcode | 00022716 |
| Herbarium | GH |
| Family | Alismataceae |
| Determination | Sagittaria calycina Engelmann |
| Determination Remarks | [is label name] |
| Annotation Text | n. sp. |
| Family | Alismataceae |
| Determination | Lophotocarpus calycinus (Engelmann) J. G. Smith |
| Date Determined | 1899-01-30 |
| Determination Remarks | [pencil annotation on sheet] |
| Family | Alismataceae |
| Determination | Sagittaria montevidensis subsp. calycina (Engelmann) Bogin |
| Determined by | C. Bogin (NY) |
| Date Determined | 1952 |
| Determination Remarks | [is Current name] |
| Annotation Text | SYNTYPE |
| Family | Alismataceae |
| Type Status | Isosyntype |
| Isosyntype of | Sagittaria calycina var. fluitans Engelmann |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Taxon Reference | (for Sagittaria calycina var. fluitans Engelmann) Rep. U.S. Mex. Bound., Bot. 1859. 212. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
