| Classification | Pteridaceae: Cheilanthes |
| Classification 1 | Adiantaceae: Myriopteris |
| Classification 2 | Pteridaceae: Cheilanthes |
| Harvard University Herbaria Barcode(s) | 00518244 |
| Type Status | Isotype |
| Collector | H. L. Mason |
| Collector number | 1616 |
| Country | Mexico |
| State | Colima |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Colima |
| Locality | Revillagigedo Islands, Socorro Island, above Grayson's Cove |
| Date Collected | 1925-05-04 |
| Habitat | On north facing rock wall. Very dry habitat |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e1a76eb5-19b3-4a1b-98e7-e62a25128771 |
| Harvard University Herbaria Barcode | 00518244 |
| Herbarium | GH |
| Previous ownership | [Ex] California Academy of Sciences |
| Family | Pteridaceae |
| Determination | Cheilanthes peninsularis var. insularis Weatherby |
| Determined by | Weatherby, Charles Alfred |
| Annotation Text | Type collection |
| Family | Pteridaceae |
| Determination | Cheilanthes microphylla Swartz |
| Determination Remarks | [is label name] |
| Family | Adiantaceae |
| Determination | Myriopteris peninsularis subsp. insularis (Weatherby) Grusz & Windham |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2014 |
| Determination Remarks | [is Current name] |
| Family | Pteridaceae |
| Type Status | Isotype |
| Isotype of | Cheilanthes peninsularis var. insularis Weatherby |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2014 |
| Determination Remarks | [is filed under name] |
| Annotation Text | Holotype: (CAS) |
| Taxon Reference | (for Cheilanthes peninsularis var. insularis Weatherby) Amer. Fern J. 1931. 21: 25. |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
