| Name | Callens, Joe |
| First date flourished | 1990 |
| Remarks | [collector note: Texas, GH] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3418cdd9-dc37-4fe4-8039-4ea0d14b59f7 |
| Standard/Label Name | J. Callens |
| Full Name | Callens, Joe |
| Geography Collector | United States of America |
| Specialty Collector | Spermatophytes |
| Citation as Collector | Specimen (GH) Frangula caroliniana (Walter) A. Gray |
| Holdings | Search for specimens collected by J. Callens |
| Collections in | 1990 (2) |