| Classification | Hypnaceae: Isopterygium |
| Classification 1 | Sematophyllaceae: Rhaphidostegium |
| Harvard University Herbaria Barcode(s) | 00220313 |
| Type Status | Isotype |
| Collector | A. B. Langlois |
| Collector number | 39 |
| Country | United States of America |
| State | Louisiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana |
| Locality | Forest of Chesterville |
| Date Collected | 1886-09-27 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0ac3a892-b078-48a4-ae30-043c0ecca124 |
| Harvard University Herbaria Barcode | 00220313 |
| Herbarium | FH |
| Family | Hypnaceae |
| Determination | Isopterygium tenerum (Swartz) Mitten |
| Determined by | R. R. Ireland |
| Date Determined | 1985 |
| Determination Remarks | [is Current name] |
| Family | Sematophyllaceae |
| Type Status | Isotype |
| Isotype of | Rhaphidostegium ludovicianum Renauld & Cardot |
| Taxon Reference | (for Rhaphidostegium ludovicianum Renauld & Cardot) Rev. Bryol. 1893. 20: 21. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
