| Classification | Grimmiaceae: Grimmia | 
| Harvard University Herbaria Barcode(s) | 00213042 | 
| Type Status | Holotype | 
| Collector | W. C. Steere | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Marin County | 
| Locality | On exposed rocks, north facing, very summit of Mount Tamalpais. | 
| Date Collected | 1953-04-08 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c348832b-270c-4aa2-90ad-0556df722aa9 | 
| Harvard University Herbaria Barcode | 00213042 | 
| Herbarium | FH | 
| Family | Grimmiaceae | 
| Type Status | Holotype | 
| Holotype of | Grimmia mariniana Sayre | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Grimmia mariniana Sayre) Bryologist 1955. 58: 323. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |