Comprehensive Scheme for Standardized Abbreviation of Usable Plant-Family Names and Type-Based Suprafamilial Names

Abbrsort descending 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
OPHR Ophiraceae
OPHU Ophiuraceae
OPHX Ophioxylaceae
OPHY Ophrydaceae
OPIL Opiliaceae
OPOR Oporanthaceae
OPUN Opuntiaceae
ORCH Orchidaceae
ORNI Ornithogalaceae
ORNR Ornithropaceae