| Name | Simmons, Margaret Breck |
| Remarks | [collector note: GH, NEBC. 441, rec. 1917 from F. S. Collins] |
| ASA Botanist ID | 121929 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/85f78e7e-0671-4bb6-90b8-c831c2b9cb8d |
| Variant name | Simmons, M. B. |
| Variant name | Miss M. B. Simmons |
| Standard/Label Name | M. B. Simmons |
| Full Name | Simmons, Margaret Breck |
| Geography Collector | Massachusetts, Rhode Island, United States of America, United States of America |
| Specialty Collector | Spermatophytes |
| Citation as Collector | Index Herbariorum - Collectors S |
| Citation as Collector | specimen (NEBC) Geranium maculatum L. |
| Holdings | Search for specimens collected by M. B. Simmons |
| Collections in | [no date] (216), 1878 (1), 1893 (1), 1896 (55), 1897 (10), 1898 (47), 1904 (6), 1905 (2), 1906 (1), 1911 (1), 1919 (2) |