| Name | Johnston, Marshall Conring & Crutchfield, John R, |
| Agent type | Team/Group |
| First date collected | 1960 |
| Remarks | [collector note: LL, MEXU, MICH, TEX, US] |
| ASA Botanist ID | 152257 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/85a78bfb-e566-4e2d-a532-c3664f4d03ab |
| Variant name | Johnston, M. C. & Crutchfield, J. R. |
| Standard/Label Name | M. C. Johnston & J. R. Crutchfield |
| Full Name | Johnston, Marshall Conring & Crutchfield, John R, |
| Geography Collector | Mexico |
| Specialty Collector | Phanerogams |
| Citation as Collector | Novon 9(3): 334. 1999 |
| Team Members: | Johnston, Marshall Conring Crutchfield, John R, |