| Classification | Orthotrichaceae: Groutiella | 
| Classification 1 | Orthotrichaceae: Macromitrium | 
| Harvard University Herbaria Barcode(s) | 01108739 | 
| Collector | E. G. Britton, D. Coker & W. R. Rowland | 
| Collector number | 839 | 
| Country | Trinidad and Tobago | 
| State | Trinidad | 
| Geography | North America: Caribbean (Region): Trinidad and Tobago: Trinidad | 
| Locality | Caroni North Bank Road | 
| Date Collected | 1920-03-21 | 
| Container | Plants of Trinidad, British West Indies | 
| Substrate | On trees | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1e045e03-157e-42ac-8510-fe2830732164 | 
| Harvard University Herbaria Barcode | 01108739 | 
| Herbarium | FH | 
| Previous ownership | [ex] New York Botanical Garden | 
| Family | Orthotrichaceae | 
| Determination | InQuestion Groutiella apiculata (Hooker) H. A. Crum & Steere | 
| Determined by | Goffinet, Bernard | 
| Date Determined | 2024-06-** | 
| Determination Remarks | [filed under] [current name] | 
| Annotation Text | Leaves mucronate (not filled by costa) or shortly apiculate (excurrent/emergent costa)! | 
| Family | Orthotrichaceae | 
| Determination | Macromitrium mucronifolium (Hooker & Greville) Schwägrichen | 
| Determined by | Williams, Robert Stratham | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |