| Name | Calder, James Alexander & Holm |
| Agent type | Team/Group |
| First date collected | 1915 |
| Last date collected | 1990 |
| Remarks | [collector note: Canada; DAO] |
| ASA Botanist ID | 159102 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dbf3159d-f800-497d-a3ee-225e1a81dfb6 |
| Standard/Label Name | J. A. Calder & Holm |
| Full Name | Calder, James Alexander & Holm |
| Geography Collector | Canada |
| Specialty Collector | Phanerogams |
| Citation as Collector | Phytologia; Designed to Expedite Botanical Publication. New York |
| Team Members: | Calder, James Alexander |