| Classification | Hypnaceae: Isopterygium |
| Classification 1 | Hypnaceae: Taxiphyllum |
| Classification 2 | Plagiotheciaceae: Plagiothecium |
| Classification 3 | Hypnaceae: Taxiphyllum |
| Classification 4 | Plagiotheciaceae: Plagiothecium |
| Harvard University Herbaria Barcode(s) | 00220141 |
| Type Status | Isotype |
| Collector | R. O. Schornherst |
| Collector number | 1442 |
| Country | United States of America |
| State | Florida |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Jackson County |
| Locality | Marianna Caverns |
| Date Collected | 1939-11-16 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/35d32a2c-d8fc-4518-b0ea-c76a1c797761 |
| Harvard University Herbaria Barcode | 00220141 |
| Herbarium | FH |
| Previous ownership | Herbarium Bartram Sheet 11100 |
| Family | Hypnaceae |
| Determination | InQuestion Isopterygium sp. |
| Determination Remarks | [is label name] |
| Family | Hypnaceae |
| Determination | Taxiphyllum cuspidifolium (Cardot) Z. Iwatsuki |
| Determined by | Ireland, Robert Root |
| Date Determined | 1985 |
| Family | Plagiotheciaceae |
| Determination | Plagiothecium mariannae Grout |
| Determined by | JunJie Wang (PE) |
| Date Determined | 2019-10-** |
| Annotation Text | cotype |
| Family | Hypnaceae |
| Determination | Taxiphyllum cuspidifolium (Cardot) Z. Iwatsuki |
| Determined by | JunJie Wang (PE) |
| Date Determined | 2019-10-** |
| Determination Remarks | [is Current name] |
| Family | Plagiotheciaceae |
| Type Status | Isotype |
| Isotype of | Plagiothecium mariannae Grout |
| Verified by | Ireland, Robert Root |
| Date Determined | 1985 |
| Taxon Reference | (for Plagiothecium mariannae Grout) Moss Fl. N. Amer. 1940. 2: 272. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
