| Classification | Rhodophyta: Ceramiaceae: Antithamnieae: Antithamnion |
| Barcode(s) | 00989019 |
| Collector | [data not captured] |
| Collector number | 11031 |
| Country | Canada |
| State | Newfoundland & Labrador |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Newfoundland & Labrador: Newfoundland Island: Bonne Bay |
| Locality | Aspen Cove, South Arm, Bonne Bay |
| Georeference | 49° 28' N, 57° 54' W |
| Date Collected | 1973-07-03 |
| Habitat | 4 to more than 20m, collected 7m, a sheltered location, water 12.5C, air 22C, salinity 25.9/00 |
| Substrate | on stipes of Laminaria longicruris |
| Frequency | growing commonly |
| Project | Macroalgae TCN |
| Remarks | most issues tetrasporangial, some gametophytic, summer 'A. boreal' morphology |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ad14d4b1-3b27-4166-b27e-c5b1a3e178cd |
| Harvard University Herbaria Barcode | 00989019 |
| Herbarium | FH |
| Previous ownership | ex Phycological Herbarium, Memorial University of Newfoundland, St. John's |
| Exsiccata | Algae Terrae Novae Fascicle 9 Number 199 |
| Family | Ceramiaceae |
| Determination | Antithamnion pylaisaei (Montagne) Kjellman |
| Determined by | A. Whittick, R. Hooper |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |