The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- All (1,092 members)
- Alle (1 member)
- Aquarius (26 members)
- Arten (57 members)
- Aschersonianus Gruppe (2 members)
- Berteroi-Gruppe (3 members)
- Bolivianum Gruppe (2 members)
- Boris Panyukov (11 members)
- Buttons (13 members)
- Christel Kasselmann (0 members)
- Cordifolius Gruppe (3 members)
- Datei:CC 0 1.0 (0 members)
- Datei:CC PD 0 (0 members)
- Dennerle (105 members)
- Deutsche Namen (0 members)
- Falsche Echinodoren (28 members)
- File:CC 0 1.0 (68 members)
- File:CC BY-NC-ND 2.0 (7 members)
- File:CC BY-NC-ND 3.0 (4 members)
- File:CC BY-NC-ND 4.0 (1 member)
- File:CC BY-NC-SA 2.0 (1 member)
- File:CC BY-NC-SA 3.0 (6 members)
- File:CC BY-NC-SA 4.0 (10 members)
- File:CC BY-NC 2.0 (1 member)
- File:CC BY-NC 3.0 (4 members)
- File:CC BY-NC 4.0 (37 members)
- File:CC BY-ND 2.0 (1 member)
- File:CC BY-SA 2.0 (3 members)
- File:CC BY-SA 3.0 (16 members)
- File:CC BY-SA 4.0 (8 members)
- File:CC BY 2.0 (5 members)
- File:CC BY 3.0 (10 members)
- File:CC BY 4.0 (21 members)
- File:CC PD 0 (9 members)
- Filippov (68 members)
- Floribundus Gruppe (9 members)
- Foreign names (115 members)
- German Names (110 members)
- Golden Leaf Farm (31 members)
- Grandiflorus Gruppe (9 members)
- Grisebachi Gruppe (4 members)
- Handel (455 members)
- Hans Barth (16 members)
- Helanthium (40 members)
- Hirurg (72 members)
- Icons (16 members)
- Julius Hoechstetter (5 members)
- Kasselmann (0 members)
- Kermit Utakovich (17 members)
- Kras-Aqua (11 members)