| Classification | Aspidiaceae: Megalastrum | 
| Classification 1 | Tectoriaceae: Ctenitis | 
| Barcode(s) | 00351294 | 
| Type Status | Holotype | 
| Collector | O. T. Solbrig, H. E. Moore, & J. W. Walker | 
| Collector number | 3676 | 
| Country | Chile | 
| Geography | South America: South America (Region) (Region): Chile | 
| Locality | Masafuera, Quebrada Vacas, On slopes of canyon among Myrcegenia, between rocks | 
| Date Collected | 1965-11-28 | 
| Habitat | On slopes of canyon among Myrcegenia, between rocks | 
| Frequency | Rare | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cfd3b9b2-0dc3-4335-b07a-79c82616580e | 
| Harvard University Herbaria Barcode | 00351294 | 
| Herbarium | GH | 
| Family | Aspidiaceae | 
| Type Status |  Holotype | 
| Holotype of |  Megalastrum masafuerae Sundue, Rouhan & R. C. Moran | 
| Verified by | Sundue, Michael A. [delete] | 
| Date Determined | 2009 | 
| Determination Remarks |  [filed under] [current name] | 
| Taxon Reference | (for  Megalastrum masafuerae Sundue, Rouhan & R. C. Moran) Syst. Bot. 2010. 35(3): 471. | 
| Family | Tectoriaceae | 
| Determination |  Ctenitis inaequalifolia (Colla) Ching | 
| Determined by | Tryon, Rolla Milton | 
| Date Determined | 1966 | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |