| Name | Johnston, John Robert & Porter, John R. |
| Agent type | Team/Group |
| Start Date | 1938 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a9c5c806-0c65-4fed-8550-bb8c99d89c5c |
| Standard/Label Name | J. R. Johnston & J. R. Porter |
| Full Name | Johnston, John Robert & Porter, John R. |
| Geography Collector | Guatemala |
| Specialty Collector | Spermatophytes |
| Holdings | Search for specimens collected by J. R. Johnston & J. R. Porter |
| Collections in | 1938 (2) |
| Team Members: | Johnston, John Robert Porter, John R. |
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