Comprehensive Scheme for Standardized Abbreviation of Usable Plant-Family Names and Type-Based Suprafamilial Names
| Abbr |
Family |
|---|---|
| OCTO | Octoknemaceae |
| OENO | Oenotheraceae |
| OFTI | Oftiaceae |
| OLAC | Olacaceae |
| OLE+ | Oleaceae |
| OLEA | Oleandraceae |
| OLIN | Oliniaceae |
| OLYR | Olyraceae |
| ONAG | Onagraceae |
| ONCO | Oncothecaceae |
| ONOC | Onocleaceae |
| ONOS | Onosmaceae |
| OPER | Operculariaceae |
| OPHI | Ophioglossaceae |
| OPHP | Ophiopogonaceae |
| OPHX | Ophioxylaceae |
| OPHR | Ophiraceae |
| OPHU | Ophiuraceae |
| OPHY | Ophrydaceae |
| OPIL | Opiliaceae |
| OPOR | Oporanthaceae |
| OPUN | Opuntiaceae |
| ORCH | Orchidaceae |
| ORNI | Ornithogalaceae |
| ORNR | Ornithropaceae |
