| Name | Metcalfe, Orrick Baylor | 
| Date of birth | 1879 | 
| Date of death | 1936 | 
| Remarks | [collector note: New Mexico (col. ca. 1902-1904): ARIZ, B, BM, DS, E, F, GH, IND, ISC, K, MIN, MO, NMC, NY, POM, US; S.W. United States: A, LE, NMC.] | 
| ASA Botanist ID | 138631 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6c8a0237-03ce-42c8-a664-5665cddcfdf7 | 
| Variant name | Orrick Baylor Metcalfe | 
| Author name | Metcalfe | 
| B & P Author Abbrev. | Metcalfe | 
| Standard/Label Name | O. B. Metcalfe | 
| Full Name | Metcalfe, Orrick Baylor | 
| Geography Collector | United States of America | 
| Specialty Author | Spermatophytes | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Collector | Index Herbariorum - Collectors M | 
| Holdings | Search for specimens collected by O. B. Metcalfe | 
| Collections in | [no date] (3), 1893 (1), 1900 (1), 1901 (2), 1903 (366), 1904 (377), 1905 (45) | 
