| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 00021433 |
| Type Status | Isosyntype |
| Collector | A. F. Regnell |
| Collector number | III 1506 |
| Country | Brazil |
| State | Minas Gerais |
| Geography | South America: South America (Region) (Region): Brazil: Minas Gerais |
| Locality | Caldas |
| Date Collected | 1864-12-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/664c723b-26c9-4512-9b40-25c2d26d0a57 |
| Harvard University Herbaria Barcode | 00021433 |
| Herbarium | GH |
| Family | Isoetaceae |
| Type Status | Isosyntype |
| Isosyntype of | Isoetes martii A. Brown ex Kuhn |
| Verified by | R. James Hickey |
| Date Determined | 2005 |
| Determination Remarks | corm eaten away - few sporagia left |
| Taxon Reference | (for Isoetes martii A. Brown ex Kuhn) Fl. Bras. [Martius] 1884. 1(1): 82. |
| Family | Isoetaceae |
| Determination | Isoetes martii A. Brown ex Kuhn |
| Determined by | R. James Hickey |
| Date Determined | 1998-10-13 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |