| Name | Johnston, Y. R. |
| First date collected | 1913 |
| Remarks | [collector note: Puerto Rico: A] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a3ae855e-2c5d-464a-a0ed-2ace3bd7d9f9 |
| Standard/Label Name | Y. R. Johnston |
| Full Name | Johnston, Y. R. |
| Geography Collector | Puerto Rico |
| Specialty Collector | Spermatophytes |
| Citation as Collector | Specimen (A): Urera baccifera (L.) Gaudich. |
| Member of teams/groups | |
| Collector Teams: | Y. A. Stevenson & Y. R. Johnston |