A - Scientific Name -
- Acrostichum tosaense Yatabe
- Acrostichum yoshinagae Yatabe
- Actinostachys boninensis Nakai
- Adiantum silvaticum Tindale
- Alsophila acaulis Makino
- Alsophila fujiiana Nakai
- Alsophila ogurae Hayata
- Antrophyum castaneum H.Itô
- Antrophyum japonicum Makino
- Antrophyum lancifolium Rosenst. ex M.Kato
- Antrophyum ponapense H.Itô
- Arachniodes × ikeminensis Seriz.
- Arachniodes × takayamensis Seriz.
- Arachniodes oohorae H.Itô
- Archangiopteris somai Hayata
- Archangiopteris subintegra Hayata
- Archangiopteris tamdaoensis Hayata
- Aspidium aristatum (G.Forst.) Sw. var. simplicior Makino
- Aspidium falcatum (L.f.) Sw. var. macrophyllum Makino
- Aspidium hokutense Hayata
- Aspidium kwanonense Hayata
- Aspidium kwarenkoense Hayata
- Aspidium nantoense Hayata
- Aspidium pachinense Hayata
- Aspidium submembranaceum Hayata
- Aspidium subtriphyllum (Hook. & Arn.) Hook. f. cuspidatopinnatum Hayata
- Aspidium subtriphyllum (Hook. & Arn.) Hook. var. ebenosum Nakai
- Aspidium tosaense Makino
- Aspidium yaeyamense Makino
- Aspidium yoshinagae Makino
