Bistorta suffulta (Maxim.) Greene ex H.Gross (Synonym : Bistorta majanthemifolia Petrov)

Family : Polygonaceae

Bistorta tenuicaulis (Bisset & S.Moore) Nakai (Synonym : Bistorta tenuicaulis (Bisset & S.Moore) Nakai var. nanum (Matsum. & Nakai) Nakai)

Family : Polygonaceae

Bistorta vivipara (L.) Delarbre (Synonym : Polygonum bulbiferum Royle ex Bab.)

Family : Polygonaceae

Bletilla striata (Thunb.) Rchb.f. (Synonym : Cymbidium striatum (Thunb.) Sw.)

Family : Orchidaceae

Blyxa aubertii Rich. (Synonym : Blyxa ecaudata Hayata)

Family : Hydrocharitaceae

Blyxa echinosperma (C.B.Clarke) Hook.f. (Synonym : Blyxa aubertii Rich. var. echinosperma (C.B.Clarke) C.D.K.Cook & Luond)

Family : Hydrocharitaceae

Blyxa japonica (Miq.) Maxim. ex Asch. & Gürke (Synonym : Blyxa caulescens Maxim. ex Makino)

Family : Hydrocharitaceae

Boehmeria hirtella Satake (Synonym : Boehmeria sieboldiana Blume f. hirtella (Satake) M.Kim)

Family : Urticaceae

Boehmeria holosericea Blume (Synonym : Boehmeria platyphylla D.Don var. holosericea (Blume) Wedd.)

Family : Urticaceae

Boehmeria japonica (L.f.) Miq. (Synonym : Duretia longispica (Steud.) Nakai)

Family : Urticaceae