| Classification | Gayraliaceae: Gayralia |
| Classification 1 | Gayraliaceae: Monostroma |
| Harvard University Herbaria Barcode(s) | 00299642 |
| Collector | I. M. Lamb & M. H. Zimmermann |
| Collector number | A-494 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Rockport |
| Locality | Cape Ann, Halibut Point |
| Date Collected | 1963-03-16 |
| Habitat | Attached to rocks 2-3 m below mean low tide level |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c1e7796f-c457-4f65-baa6-de7be1e1da7c |
| Harvard University Herbaria Barcode | 00299642 |
| Herbarium | FH |
| Family | Gayraliaceae |
| Determination | Gayralia oxysperma (Kützing) K. L. Vinogradova |
| Determined by | W. T. Kittredge |
| Date Determined | 2010 |
| Determination Remarks | [current name] |
| Annotation Text | fide Guiry, M.D. & Guiry, G.M. 2010. /AlgaeBase/. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 25 March 2010 |
| Family | Gayraliaceae |
| Determination | Monostroma oxyspermum (Kützing) Doty |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
