| Classification | Lemnaceae: Wolffia |
| Complex Object | This is a complex collection object (2 items with 1 preparation) |
| Harvard University Herbaria Barcode(s) | 00028734 |
| Other Barcodes on Sheet | 01000099 |
| Type Status | Lectotype |
| Collector | E. Hall |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois |
| Locality | Inter Springfield [Sangemon Co.] et Athens [Menard Co.] |
| Date Collected | 1867-09-** |
| Habitat | In lacu quadam |
| Frequency | abunde |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cb6bd6c1-6458-4f0f-88d2-475d42b3a91e |
| Harvard University Herbaria Barcode | 00028734 |
| Herbarium | GH |
| Previous ownership | Ex Herb. G. Englemann |
| Family | Lemnaceae |
| Determination | Wolffia brasiliensis var. borealis Engelmann |
| Determination Remarks | [is label name] |
| Family | Lemnaceae |
| Determination | Wolffia borealis (Engelmann) Landolt & Wildi ex Gandhi, Wiersema & Brouillet |
| Determined by | Landolt, Elias |
| Date Determined | 1980 |
| Determination Remarks | [is Current name] |
| Annotation Text | Isotypus for W. borealis |
| Family | Lemnaceae |
| Type Status | Lectotype |
| Lectotype of | Wolffia brasiliensis var. borealis Engelmann |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Wolffia brasiliensis var. borealis Engelmann) Exsicc. Herb. Engelmann 1867 [Sep 1867]. Wolffia s.n.. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
