| Classification | Parmeliaceae: Cetraria |
| Harvard University Herbaria Barcode(s) | 00259539 |
| Collector | R. Dirig |
| Collector number | L0268c |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Suffolk County |
| Locality | Long Island, Town of Easthampton, Hither Hills State Park, 'walking dunes' 1000 ft. NE of N end of Napeague Harbor Rd. |
| Date Collected | 1976-07-08 |
| Elevation | 4 m |
| Habitat | intergrown with Hudsonia tomentosa, Arctostaphylos uva-ursi & Cladoniaceae |
| Container | Long Island Flora |
| Substrate | on bare sand [terricolous] |
| Vernacular Name | iceland moss |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/474ba7e5-628b-4276-8e18-3a71264fd541 |
| Harvard University Herbaria Barcode | 00259539 |
| Herbarium | FH |
| Previous ownership | ex Herb. Robert Dirig |
| Family | Parmeliaceae |
| Determination | Cetraria arenaria Kärnefelt |
| Determined by | Robert Dirig (CUP) |
| Date Determined | 2008-08-01 |
| Determination Remarks | [current name] |
| Family | Parmeliaceae |
| Determination | Cetraria islandica (Linnaeus) Acharius |
| Determined by | Robert Dirig (CUP) & John F. Cryan |
| Date Determined | 1976-07-08 |
| Determination Remarks | [label name] |
| Annotation Text | in packets Dirig L0269a-c |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
