| Name | Pires-O'Brien, Maria Joaquina |
| Date of birth | 1953 |
| Remarks | Education: B.A. (1975; Central Washington State College); M.S. (1980; Oregon State University; Ph.D. (1991; University College London). Example of Name Published: Borreria petraea Pires-O'Brien, Bot. J. Linn. Soc. 108: 31. 1992 |
| ASA Botanist ID | 165859 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/de09f7a4-22b3-4831-b70b-3d03ac48e0b2 |
| Variant name | Maria Joaquina Pires-O'Brien |
| Author name | Pires-O'Brien |
| B & P Author Abbrev. | Pires-O'Brien |
| Standard/Label Name | M. J. Pires-O'Brien |
| Full Name | Pires-O'Brien, Maria Joaquina |
| Geography Author | Brazil |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Birth year from author's web site (http://portvitoria.com/JPO_Website/Biography.html) (via Brian P. Karcher) |
| Member of teams/groups | |
| Collector Teams: | M. J. Pires & N. T. Silvae H. T. Beck, M. J. Pires, M. Amerigo, R. J. Souza, N. T. da Silva & B. T. da Silva |