| Name | Keller & Hayek |
| Agent type | Team/Group |
| First date collected | 1898 |
| Remarks | [collector note: E] |
| ASA Botanist ID | 160305 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee4b155d-5283-43da-b798-5fa302b64b22 |
| Standard/Label Name | Keller & Hayek |
| Full Name | Keller & Hayek |
| Geography Collector | Sweden |
| Citation as Collector | Index Herbariorum - Collectors I-L |
| Team Members: | Keller |