| Name | Van Horn, Gene Stanley & Ornduff, Robert |
| Agent type | Team/Group |
| First date flourished | 1973 |
| Remarks | [author note: Asteraceae] |
| ASA Botanist ID | 190253 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e2bdcf38-c324-44c4-a844-149ae9f51e3f |
| Author name | Van Horn & Ornduff |
| B & P Author Abbrev. | Van Horn & Ornduff |
| Standard/Label Name | G. S. Van Horn & R. Ornduff |
| Full Name | Van Horn, Gene Stanley & Ornduff, Robert |
| Geography Author | United States of America |
| Specialty Author | Spermatophytes |
| Citation as Author | University of California Publications in Botany. Berkeley, CA |
| Team Members: | Van Horn, Gene Stanley Ornduff, Robert |