Table 1.
Infrageneric classifications of Polystichum
| Tagawa [36] | Daigobo [37] | Fraser-Jenkins [2, 38] | Kung et al. [4] | Zhang and Barrington [18] |
|---|---|---|---|---|
| P. subg. Polystichum | ||||
| P. sect. Achroloma | P. sect. Achroloma | - | - | P. sect. Achroloma (2/2) |
| P. sect. Polystichum | P. sect. Polystichum | P. sect. Polystichum | P. sect. Polystichum | P. sect. Polystichum (9/30) |
| P. sect. Sorolepidium | P. sect. Sorolepidium | P. sect. Sorolepidium | - | P. sect. Sorolepidium (7/16) |
| P. sect. Macropolystichum | P. sect. Macropolystichum | P. sect. Macropolystichum | P. sect. Macropolystichum | P. sect. Macropolystichum (8/17) |
| P. sect. Micropolystichum | P. sect. Micropolystichum | P. sect. Micropolystichum | P. sect. Micropolystichum | P. sect. Micropolystichum (2/6) |
| - | P. sect. Hypopeltis | P. sect. Hypopeltis | P. sect. Hypopeltis | P. sect. Hypopeltis (46/70) |
| - | P. sect. Stenopolystichum | - | P. sect. Stenopolystichum | P. sect. Stenopolystichum (2/3) |
| - | P. sect. Xiphopolystichum | - | P. sect. Xiphopolystichum | P. sect. Xiphopolystichum (14/34) |
| - | - | - | P. sect. Neopolystichum | P. sect. Neopolystichum (2/4) |
| - | - | - | - | P. sect. Fimbriata (1/1) |
| - | - | - | - | P. sect. Hecatoptera (1/1) |
| - | - | - | - | P. sect. Crinigera (1/1) |
| - | - | - | - | P. sect. Subfimbriata (1/1) |
| - | - | - | - | P. sect. Chingiarum (1/1) |
| P. subg. Haplopolystichum | ||||
| P. sect. Cyrtomiopsis | P. sect. Cyrtomiopsis | - | - | P. sect. Cyrtomiopsis (2/4) |
| P. sect. Crucifix | P. sect. Crucifix | - | P. sect. Crucifix | P. sect. Crucifix (3/4) |
| P. sect. Haplopolystichum | P. sect. Haplopolystichum | - | P. sect. Haplopolystichum | P. sect. Haplopolystichum (6/54) |
| P. sect. Mastigopteris | P. sect. Mastigopteris | - | P. sect. Mastigopteris | P. sect. Mastigopteris (1/2) |
| P. sect. Metapolystichum | P. sect. Metapolystichum | P. sect. Metapolystichum | P. sect. Metapolystichum | |
| - | P. sect. Adenolepia | - | - | P. sect. Adenolepia (4/6) |
| - | P. sect. Lasiopolystichum | - | P. sect. Lasiopolystichum | - |
| - | P. sect. Prionolepia | - | - | - |
| - | - | P. sect. Duropolystichum | P. sect. Scleropolystichum | - |
| - | P. sect. Sphaenopolystichum | - | P. sect. Sphaenopolystichum | P. sect. Sphaenopolystichum (5/12) |
| - | - | - | - | P. sect. Basigemmifera (3/5) |
| - | - | - | - | P. sect. Cyrtogonellum (3/5) |
| - | - | - | - | P. sect. Platylepia (3/4) |
Numbers in the brackets in the last column indicate numbers of species included in our study and the total numbers of species known in the sections