| Classification | Parmeliaceae: Cetraria |
| Harvard University Herbaria Barcode(s) | 00259540 |
| Collector | R. Dirig |
| Collector number | L0509c |
| 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, RTown of Southhampton, Sag Harbor, open oak woods from ca. 500 ft. WSW of Round Pond to ca. 300 ft. NW of N end of Round Pond Road, along old sand trail |
| Date Collected | 1976-07-07 |
| Container | Long Island Flora |
| Substrate | [on soil] terricolous |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8bfb8dd9-1ae0-4b40-95f1-36813cb0e10c |
| Harvard University Herbaria Barcode | 00259540 |
| Herbarium | FH |
| Previous ownership | ex Herb. Robert Dirig |
| Family | Parmeliaceae |
| Determination | Cetraria arenaria Kärnefelt |
| Determined by | Robert Dirig (CUP) |
| Date Determined | 1978-04-24 |
| Determination Remarks | [current name] |
| Family | Parmeliaceae |
| Determination | Cetraria islandica (Linnaeus) Acharius |
| Determined by | Robert Dirig (CUP) & John F. Cryan |
| Date Determined | 1976-07-07 |
| Determination Remarks | [label name] |
| Annotation Text | large patch ca. 1 m x 240 m |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
