Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)- Orychophragmus (1 member)
- Oryza (4 members)
- Oryzopsis (1 member)
- Osmadenia (1 member)
- Osmunda (5 members)
- Osmunda regalis (1 member)
- Osmundaceae (2 members)
- Osteospermum (2 members)
- Ostrya (3 members)
- Ottelia (1 member)
- Oxalidaceae (2 members)
- Oxalis (38 members)
- Oxalis frutescens (1 member)
- Oxalis hirta (1 member)
- Oxycaryum (1 member)
- Oxydendrum (1 member)
- Oxyria (1 member)
- Oxyrrhynchium (1 member)
- Oxystylis (1 member)
- Oxytenia (1 member)