| Classification | Lichens: Verrucaria |
| Harvard University Herbaria Barcode(s) | 00964877 |
| Collector | P. F. May |
| Collector number | 2533 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Plymouth County: Onset |
| Locality | Cape Cod Canal, Study Site 9, Stony Point Dike, SW end. (NAD83). |
| Georeference | 41° 41.56' N, 70° 40.43' W |
| Date Collected | 1995-05-23 |
| Elevation | 3 m |
| Habitat | horizontal surface in intertidal zone; dike of gravel and sand lined by riprap on both sides, with beach plum, juniper, bayberry, and grasses |
| Container | Lichens of Cape Cod Canal |
| Substrate | saxicolous, on silicic boulder |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5076f58b-2bd4-4e9c-a262-77c24a9b7483 |
| Harvard University Herbaria Barcode | 00964877 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of Philip F. May |
| Determination | Verrucaria ditmarsica Erichsen |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Packet |
| Preparation Method | Dried |
