| Classification | Iridaceae: Sisyrinchium | 
| Harvard University Herbaria Barcode(s) | 01749026 | 
| Collector | A. MacElwee | 
| Collector number | 342 | 
| Country | United States of America | 
| State | Pennsylvania | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Bucks County | 
| Locality | Tullytown | 
| Date Collected | 1899-05-29 | 
| Habitat | Wet places in open | 
| Container | Southeastern Pennsylvania | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bc10b0b1-d2ff-4eab-a412-e1088f7fa653 | 
| Harvard University Herbaria Barcode | 01749026 | 
| Herbarium | GH | 
| Previous ownership | Ex The Academy of Natural Sciences of Philadelphia | 
| Family | Iridaceae | 
| Determination | Sisyrinchium atlanticum E. P. Bicknell | 
| Determined by | David Marchand | 
| Date Determined | 1977 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |