| Classification | Porellaceae: Madotheca |
| Barcode(s) | 00506371 |
| Collector | W. H. Welch |
| Collector number | 3091 |
| Country | United States of America |
| State | Arkansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas |
| Locality | [data not captured] |
| Date Collected | 1934-07-07 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ed188b1c-233b-4ca9-b11f-49e8efc7800b |
| Harvard University Herbaria Barcode | 00506371 |
| Herbarium | FH |
| Family | Porellaceae |
| Determination | Madotheca thuja (Hooker) Dumortier |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |