| Classification | Annonaceae: Guatteria | 
| Harvard University Herbaria Barcode(s) | 00039402 | 
| Type Status | Isotype | 
| Collector | G. Klug | 
| Collector number | 3299 | 
| Country | Peru | 
| State | San Martín | 
| Geography | South America: South America (Region) (Region): Peru: San Martín | 
| Locality | Zepelacio, near Moyobamba, 1100-1200 m. | 
| Date Collected | 1933-11-** | 
| Verbatim Elevation | 1100-1200 m | 
| Habitat | forest | 
| Container | Plants of Peru | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/782e21ce-b86b-4443-932e-2c88070d2907 | 
| Harvard University Herbaria Barcode | 00039402 | 
| Herbarium | GH | 
| Family | Annonaceae | 
| Type Status | Isotype | 
| Isotype of | Guatteria klugii R. E. Fries | 
| Verified by | Lopes, Jenifer de Carvalho | 
| Date Determined | 2025-07-29 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Guatteria klugii R. E. Fries) Publ. Field Mus. Nat. Hist., Bot. Ser. 1938. 13(2): 710. | 
| Family | Annonaceae | 
| Determination | Guatteria hirsuta Ruiz & Pavon | 
| Determined by | Lopes, Jenifer de Carvalho | 
| Date Determined | 2025-07-29 | 
| Determination Remarks | [current name] | 
| Family | Annonaceae | 
| Determination | Guatteria klugii R. E. Fries | 
| Determined by | Walker, James Willard | 
| Date Determined | 1968-01-** | 
| Annotation Text | Isotype | 
| Family | Annonaceae | 
| Determination | InQuestion Guatteria alutacea Diels | 
| Determined by | Standley, Paul Carpenter | 
| Determination Remarks | [label name] | 
| Family | Annonaceae | 
| Determination | Guatteria klugii R. E. Fries | 
| Annotation Text | isotype [handwritten annotation on sheet above collection label] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |