| Classification | Annonaceae: Guatteria | 
| Harvard University Herbaria Barcode(s) | 00039418 | 
| Type Status | Isotype | 
| Collector | B. A. Krukoff | 
| Collector number | 6721 | 
| Country | Brazil | 
| State | Amazonas | 
| Geography | South America: South America (Region) (Region): Brazil: Amazonas | 
| Locality | Municipality Humayta, near Livramento, on Rio Livramento | 
| Date Collected | 1934-11-** | 
| Habitat | On immediate shore of river. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/57609e6c-9fa6-4b51-b0e1-218d869519f3 | 
| Harvard University Herbaria Barcode | 00039418 | 
| Herbarium | A | 
| Previous ownership | Specimens distributed through the New York Botanical Garden | 
| Family | Annonaceae | 
| Type Status | Isotype | 
| Isotype of | Guatteria oblanceolata R. E. Fries | 
| Verified by | Lopes, Jenifer de Carvalho | 
| Date Determined | 2025-07-29 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Guatteria oblanceolata R. E. Fries) Acta Horti Berg. 1939. 12(3): 415. | 
| Family | Annonaceae | 
| Determination | Guatteria inundata Martius | 
| Determined by | Lopes, Jenifer de Carvalho | 
| Date Determined | 2025-07-29 | 
| Determination Remarks | [current name] | 
| Family | Annonaceae | 
| Determination | Guatteria oblanceolata R. E. Fries | 
| Determined by | Walker, James Willard | 
| Date Determined | 1968-01-** | 
| Annotation Text | Isotype | 
| Family | Annonaceae | 
| Determination | Guatteria sp. | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |