| Classification | Archidiaceae: Archidium | 
| Classification 1 | Ditrichaceae: Pleuridium | 
| Harvard University Herbaria Barcode(s) | 00939954 | 
| Collector | A. Chase | 
| Country | United States of America | 
| State | Virginia | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia | 
| Locality | near Potomac R[iver] NW of Rosslyn | 
| Date Collected | 1904-04-12 | 
| Habitat | Summit of sterile hill | 
| Container | Flora of the Potomac Valley | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ed93d22-b6f3-4cc2-81fd-e512a970a19f | 
| Harvard University Herbaria Barcode | 00939954 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium of Edward B. Chamberlain No. 2005 | 
| Family | Archidiaceae | 
| Determination | Archidium alternifolium (Dickson ex Hedwig) Schimper | 
| Determination Remarks | [filed under] [current name] | 
| Family | Ditrichaceae | 
| Determination | Pleuridium alternifolium (Dickson ex Hedwig) Bridel | 
| Determined by | Bartram, Edwin Bunting | 
| Date Determined | 1905-02-02 | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |