Bambos stricta – synonym of Dendrocalamus strictus
Bambusa abyssinca – synonym of Oxytenanthera abyssinica (A. Richard) Munro
Bambusa arundinacea – synonym of Bambusa bambos
Bambusa aspera – synonym of Dendrocalamus asper
Bambusa chocoensis – synonym of Guadua chocoensis
Bambusa glaucescens – synonym of Bambusa multiplex
Bambusa longifolia – synonym of Guadua chocoensis
Bambusa nana – synonym of Bambusa multiplex
Bambusa stricta – synonym of Dendrocalamus strictus
Bambusa ventricosa – synonym of Bambusa tuldoides
Bambusa vulgaris Schrader – homonym of Bambusa vulgaris Schrader ex Wendland
Bambusa vulgaris Schrader ex Wendland
Bambusa ×vulgaris nothovar. vittatus
Barthratherum micans Nees – synonym of Arthraxon hispidus (Thunb.) Makino
Beckera polystachya Fresen. – basionym of Snowdenia polystachya (Fresen.) Pilg.
Beckeropsis laxior – synonym of Pennisetum laxius
Beckeropsis uniseta – synonym of Pennisetum unisetum
Bewsia biflora (Hack.) Goossens
Bothriochloa bladhii (Retz.) S.T. Blake
Bothriochloa insculpta (A. Rich.) A. Camus
Bothriochloa intermedia (R. Br.) A. Camus – synonym of Bothriochloa bladhii (Retz.) S.T. Blake
Bothriochloa radicans (Lehm.) A. Camus
Brachiaria brachylopha – synonym of Brachiaria serrata
Brachiaria brizantha – synonym of Urochloa brizantha
Brachiaria distichophylla – synonym of Brachiaria villosa
Brachiaria stipitata C.E. Hubb. – synonym of Echinochloa callopus (Pilg.) Clayton
Brachyachne obtusiflora (Benth.) C.E. Hubb. – synonym of Micrachne obtusiflora (Benth.) Peterson
Brachyelytrum africanum Hack. – basionym of Pseudobromus africanus (Hack.) Stapf
Brachypodium distachyon (Linn.) P. Beauv.
Brachypodium sylvaticum (Huds.) P. Beauv.
Bracjiaria callopus (Pilg.) Stapf – synonym of Echinochloa callopus (Pilg.) Clayton
Briza bipinnata Linn. – basionym of Desmostachya bipinnata (Linn.) Stapf
Bromus diandrus rigidus (Roth) Bolòs – synonym of Bromus diandrus Roth
Bromus distachyos Linn. – basionym of Brachypodium distachyon (Linn.) P. Beauv.
Bromus garamus Maire – synonym of Bromus pectinatus Thunb.
Bromus madritensis Cav. ex Kunth – synonym of Bromus diandrus Roth
Bromus rigidus Roth – synonym of Bromus diandrus Roth
Bromus rubens fasciculatus (Linn.) Trabut – invalid name of Bromus fasciculatus Presl
Bromus rubens rigidus (Roth) Mutel – synonym of Bromus diandrus Roth
Bromus scabridus Hook.f. – synonym of Bromus leptocladus Nees
Bromus tibesticus Maire – synonym of Bromus pectinatus Thunb.
Bromus unioloides Kunth – synonym of Bromus catharticus Vahl