| Classification | Poaceae: Catabrosa | 
| Harvard University Herbaria Barcode(s) | 00023338 | 
| Type Status | Holotype | 
| Collector | M. L. Fernald & A. S. Pease | 
| Collector number | 24867 | 
| Country | Canada | 
| State | Quebec Province | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Quebec Province: Bas-Saint-Laurent (Quebec): Matane | 
| Locality | Border of salt marsh, Capucins | 
| Date Collected | 1922-07-28 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9d77dc4f-6b17-439d-aecc-de6a6c990ce3 | 
| Harvard University Herbaria Barcode | 00023338 | 
| Herbarium | GH | 
| Family | Poaceae | 
| Type Status | Holotype | 
| Holotype of | Catabrosa aquatica var. laurentiana Fernald | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Catabrosa aquatica var. laurentiana Fernald) Rhodora 1933. 35: 137. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |