| Classification | Porellaceae: Madotheca |
| Harvard University Herbaria Barcode(s) | 00506241 |
| Collector | C. O. Grassl |
| Collector number | 3097 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan |
| Locality | [data not captured] |
| Date Collected | 1933-08-17 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5efe1f44-5280-4d8f-a304-6802dee5e70b |
| Harvard University Herbaria Barcode | 00506241 |
| Herbarium | FH |
| Family | Porellaceae |
| Determination | Madotheca platyphylla (Linnaeus) Dumortier |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
