| Classification | Lichens: Physcia |
| Classification 1 | Lichens: Physconia |
| Harvard University Herbaria Barcode(s) | 00259254 |
| Collector | L. W. Riddle |
| Collector number | 551 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts |
| Locality | Pepperell |
| Date Collected | 1909-08-14 |
| Substrate | elm trunk [bark; corticolous] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee22d949-56ad-4bc0-899c-078f745619c5 |
| Harvard University Herbaria Barcode | 00259254 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of L. W. Riddle |
| Determination | Physcia pulverulenta (Schreber) Nylander |
| Determination Remarks | [is label name] |
| Annotation Text | in fruit K- forma typica |
| Determination | Physcia pulverulenta f. venusta (Acharius) Sandstede |
| Determined by | J. W. Thomson |
| Date Determined | 1956 |
| Determination | Physconia subpallida Esslinger |
| Determined by | T. L. Esslinger (NDA) |
| Date Determined | 1993 |
| Annotation Text | TLC: 451-7: nil |
| Determination | Physconia subpallida Esslinger |
| Determined by | David Werier & Nat Cleavitt (CUP) |
| Date Determined | 2008-04-23 |
| Determination Remarks | [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
