| Classification | Cyatheaceae: Alsophila | 
| Classification 1 | Aspidiaceae: Megalastrum | 
| Classification 2 | Dryopteridaceae: Dryopteris | 
| Harvard University Herbaria Barcode(s) | 00375011 | 
| Type Status | Syntype | 
| Collector | Franz W. Sieber | 
| Collector number | 348 | 
| Geography | North America: Caribbean (Region): Martinique | 
| Locality | Flora martin. | 
| Date Collected | 1822-06-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/feb5dc82-9671-4eaf-8792-72242da853e7 | 
| Harvard University Herbaria Barcode | 00375011 | 
| Herbarium | GH | 
| Previous ownership | 1870. From Herb. J. Gay, purchased by Dr. Hooker. | 
| Family | Cyatheaceae | 
| Type Status | Syntype | 
| Syntype of | Alsophila martinicensis Sprengel | 
| Verified by | Moran, Robbin Craig, Prado, Jefferson & Labiak, Paulo Henrique | 
| Date Determined | 2008 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Alsophila martinicensis Sprengel) Neue Entdeck. Pflanzenk. 1822. 3: 7. | 
| Family | Aspidiaceae | 
| Determination | Megalastrum martinicense (Sprengel) R. C. Moran, J. Prado & Labiak | 
| Determined by | Moran, Robbin Craig, Prado, Jefferson & Labiak, Paulo Henrique | 
| Date Determined | 2008-05-** | 
| Determination Remarks | [current name] | 
| Family | Dryopteridaceae | 
| Determination | Dryopteris subincisa (Willdenow) Urban | 
| Determined by | CAW [C. A. Weatherby] | 
| Date Determined | 1920 | 
| Family | Cyatheaceae | 
| Determination | Alsophila martinicensis Sprengel | 
| Determination Remarks | [label name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |