| Name | Rydberg, P. A. & Bessey, Ernest Athearn |
| Agent type | Team/Group |
| First date collected | 1897 |
| Remarks | [collector note: col. Montana & Wyoming (Yellowstone Nat'l. Park)] |
| ASA Botanist ID | 156533 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4cae1a46-49f7-4525-8dea-63dd3069e5c0 |
| Standard/Label Name | P. A. Rydberg & E. A. Bessey |
| Full Name | Rydberg, P. A. & Bessey, Ernest Athearn |
| Geography Collector | United States of America |
| Specialty Collector | Phanerogams |
| Citation as Collector | Index Herbariorum - Collectors A-D, N-R |
| Citation as Collector | Isotype (GH) Eriogonum heracleoides Nuttall var. rydbergii Gandoger |
| Holdings | Search for specimens collected by P. A. Rydberg & E. A. Bessey |
| Collections in | 1897 (227) |
| Team Members: | Rydberg, Pehr Axel Bessey, Ernst Athearn |