| Classification | Plagiotheciaceae: Stereophyllum | 
| Harvard University Herbaria Barcode(s) | 00220506 | 
| Type Status | Isotype | 
| Collector | G. F. Gaumer | 
| Collector number | 340 | 
| Country | Mexico | 
| State | Yucatán | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Yucatán: Izamal | 
| Date Collected | 1933-01-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/da6d35dd-200b-4ac7-b180-b745bed79f9e | 
| Harvard University Herbaria Barcode | 00220506 | 
| Herbarium | FH | 
| Family | Plagiotheciaceae | 
| Type Status | Isotype | 
| Isotype of | Stereophyllum perpusillum Müller Halle | 
| Verified by | R. R. Ireland & W. R. Buck | 
| Date Determined | 1992 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Stereophyllum perpusillum Müller Halle) Publ. Field Columb. Mus., Bot. Ser. 1898. 1: 348. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried | 
| Item Remarks | Herbarium BArtram sheet 10888. Sporophyte present. |