| Name | Johnston, Barry C. & Wittmann, Ronald C. |
| Agent type | Team/Group |
| First date collected | 1979 |
| Remarks | [collector note: COLO, NY] |
| ASA Botanist ID | 156478 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/92a5382d-7c18-4827-bcb3-ac2a661f3d79 |
| Variant name | B. Johnston & R. Wittmann |
| Variant name | Johnston, Barry & Wittmann, Ron |
| Standard/Label Name | B. C. Johnston & R. C. Wittmann |
| Full Name | Johnston, Barry C. & Wittmann, Ronald C. |
| Geography Collector | United States of America |
| Specialty Collector | Phanerogams |
| Citation as Collector | Brittonia; a Series of Botanical Papers. New York, NY |
| Team Members: | Wittmann, Ronald C. Johnston, Barry C. |