| Name | Pennypacker, John Young | 
| First date flourished | 1919 | 
| Remarks | [author note: Prunus] | 
| ASA Botanist ID | 161025 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3074fe43-72a8-4ac8-be5a-3a0434b75f39 | 
| Variant name | John Young Pennypacker | 
| Author name | Pennypacker | 
| B & P Author Abbrev. | Pennypacker | 
| Standard/Label Name | Pennypacker | 
| Full Name | Pennypacker, John Young | 
| Specialty Author | Spermatophytes | 
| Citation as Author | Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania. Philadelphia, PA | 
| Holdings | Search for specimens collected by Pennypacker | 
| Collections in | 1888 (1) |