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

Abbr Familysort descending
OROB Orobanchaceae
ORON Orontiaceae
ORTE Ortegaceae
ORYZ Oryzaceae
OSMU Osmundaceae
OSYR Osyridaceae
OXAL Oxalidaceae
OXYL Oxycladaceae
OXYC Oxycoccaceae
OXYS Oxystylidaceae
PACH Pachysandraceae
PACO Pacouriaceae
PAEO Paeoniaceae
PAGA Pagamaeaceae
PAIV Paivaeusaceae
PALM Palmae
PANC Pancratiaceae
PAND Pandaceae
PANN Pandanaceae
PANG Pangiaceae
PANI Panicaceae
PAPA Papaveraceae
PAPI Papilionaceae
PAPP Pappophoraceae
PAPY Papyraceae