| Classification | Placidium: Verrucariaceae |
| Harvard University Herbaria Barcode(s) | 00473401 |
| Collector | I. M. Johnston |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | [data not captured] |
| Date Collected | 1918-09-06 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4fb0bc6a-4c14-4d1a-869f-9cd7474d3167 |
| Harvard University Herbaria Barcode | 00473401 |
| Herbarium | FH |
| Family | Verrucariaceae |
| Determination | Placidium squamulosum (Acharius) Breuss |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
