| Classification | Placidium: Verrucariaceae |
| Classification 1 | Clavascidium: Verrucariaceae |
| Harvard University Herbaria Barcode(s) | 00473487 |
| Collector | F. E. Drouet & D. Richards |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Hermosillo |
| Locality | at eastern outskirts of Hermosillo |
| Date Collected | 1939-11-13 |
| Habitat | On rocky hillside |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d02cf373-b1b7-45e4-b1fa-47fddc2e68c9 |
| Harvard University Herbaria Barcode | 00473487 |
| Herbarium | FH |
| Family | Verrucariaceae |
| Determination | Placidium lachneum (Acharius) B. de Lesdain |
| Determination Remarks | [0] |
| Family | Verrucariaceae |
| Determination | Clavascidium lacinulatum (Acharius) M. Prieto |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
