| Classification | Zosteraceae: Zostera | 
| Harvard University Herbaria Barcode(s) | 02648316 | 
| Type Status | Isotype | 
| Collector | A. V. Duthie | 
| Country | South Africa | 
| State | Western Cape Province | 
| Geography | Africa: Africa (Region) (Region): South Africa: Western Cape Province: Knysna | 
| Locality | Knysna Lagoon | 
| Date Collected | 1933-01-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2f7153c5-58d9-479d-8c2c-b06978a78fde | 
| Harvard University Herbaria Barcode | 02648316 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of the University of California | 
| Family | Zosteraceae | 
| Type Status | Isotype | 
| Isotype of | Zostera capensis Setchell | 
| Verified by | Pellegrini, Claire Elizabeth | 
| Date Determined | 2025 | 
| Determination Remarks | [filed under] [current name] | 
| Taxon Reference | (for  Zostera capensis Setchell) Proc. Natl. Acad. Sci. U.S.A. 1933. 19: 815. | 
| Family | Zosteraceae | 
| Determination | Zostera capensis Setchell | 
| Determination Remarks | [label name] | 
| Annotation Text | Isotype | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |