| Classification | Dryopteridaceae: Dryopteris |
| Classification 1 | Tectoriaceae: Ctenitis |
| Classification 2 | Aspidiaceae: Megalastrum |
| Classification 3 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00954869 |
| Type Status | Isotype |
| Collector | A. C. Brade & F. Tamandaré |
| Collector number | 6532 |
| Country | Brazil |
| State | São Paulo |
| Geography | South America: South America (Region) (Region): Brazil: São Paulo |
| Locality | Serra da Cantareira, prope São Paulo |
| Date Collected | 1913-06-** |
| Elevation | 1000 m |
| Habitat | Urwald Schatten, bodens: tdg. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6ff3f63c-3f86-4818-9953-601226445047 |
| Harvard University Herbaria Barcode | 00954869 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium Bradeanum |
| Family | Dryopteridaceae |
| Determination | Dryopteris umbrina C. Christensen |
| Determination Remarks | [is label name] |
| Family | Tectoriaceae |
| Determination | Ctenitis umbrina (C. Christensen) Copeland |
| Determination Remarks | [is label name] |
| Family | Aspidiaceae |
| Determination | Megalastrum umbrinum (C. Christensen) A. R. Smith & R. C. Moran |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is Current name] |
| Family | Dryopteridaceae |
| Type Status | Isotype |
| Isotype of | Dryopteris umbrina C. Christensen |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Dryopteris umbrina C. Christensen) Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd. 1920. ser. 8, 6: 81. |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
