| Classification | Aspleniaceae: Asplenium | 
| Harvard University Herbaria Barcode(s) | 02068990 | 
| Collector | R. R. Tatnall | 
| Collector number | 4416 | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Harford County | 
| Locality | on farm of T. G. Lurman, Jr., 3 miles SW of Darlington. | 
| Date Collected | 1939-11-18 | 
| Habitat | In a rampit | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2af2960e-4782-4f02-a903-f254a81fa0cc | 
| Harvard University Herbaria Barcode | 02068990 | 
| Herbarium | GH | 
| Previous ownership | [ex] From Herbarium of Robert R. Tatnall | 
| Family | Aspleniaceae | 
| Determination | Asplenium scolopendrium var. americanum (Fernald) Kartesz & Gandhi | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |