| Classification | Bryophyta: Brachytheciaceae: Rhynchostegium | 
| Classification 1 | Bryophyta: Brachytheciaceae: Brachythecium | 
| Barcode(s) | 01108487 | 
| Collector | T. R. Phillips | 
| Collector number | 4543 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County | 
| Locality | Mt. Washington; Undine Mountain | 
| Date Collected | 2021-10-23 | 
| Verbatim Elevation | 2100 ft. | 
| Habitat | Pitch-pine-oak-heath rocky summit | 
| Container | Bryophyte and Lichen Flora of the South Taconic Range | 
| Substrate | Soil | 
| Remarks | This collection was made as part of a project supported and directed by Green Berkshires, Inc. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/01b208e0-6d1f-4f20-8ecf-9ec1f1dd057e | 
| Harvard University Herbaria Barcode | 01108487 | 
| Herbarium | FH | 
| Family | Brachytheciaceae | 
| Determination |  Rhynchostegium serrulatum (Hedwig) A. Jaeger | 
| Determined by | Phillips, Thomas R. | 
| Determination Remarks |  [label name] [current name] | 
| Family | Brachytheciaceae | 
| Determination |  Brachythecium serrulatum (Hedwig) H. Robinson | 
| Determination Remarks |  [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |