| Classification | Azollaceae: Azolla | 
| Harvard University Herbaria Barcode(s) | 02069086 | 
| Collector | R. M. Tryon with [data not captured] | 
| Collector number | 907 | 
| Country | United States of America | 
| State | South Carolina | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Carolina: Clarendon County | 
| Locality | in swamp of Black River, 1 mile south-west of Sardinia | 
| Date Collected | 1939-07-26 | 
| Habitat | Floating on pond | 
| Container | Plantae Exsiccatae Grayanae | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2c114a84-9037-42b1-ac97-6d62fbf132bd | 
| Harvard University Herbaria Barcode | 02069086 | 
| Herbarium | GH | 
| Family | Azollaceae | 
| Determination | Azolla caroliniana Willdenow | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |