Ba...        
Babiana
Baccaurea
Baccharidopsis
Baccharis
Baccharoides
Bachmannia
Backhousia
Bacopa
Bactris
Badilloa
Badula
Badusa
Baeckia
Baeolepis
Baeothryon
Baequaertia
Baeriopsis
Bafutia
Bagassa
Bahia
Bahianthus
Baijiania
Baikiaea
Baileya
Baileyoxylon
Baillonella
Baillonia
Baissea
Baitaria
Bakerella
Bakeridesia
Balaka
Balanites
Balanophora
Balaustion
Balbisia
Baldellia
Balduina
Balfourodendron
Balgoya
Baliospermum
Ballantinia
Ballochia
Ballota
Balmea
Baloghia
Balonga
Balsamorhiza
Balsomocitrus
Balthasaria
Baltimora
Bambekea
Bambusa
Bamiana
Bampsia
Banara
Banisteriopsis
Banksia
Baolia
Baphia
Baphiastrum
Baphiopsis
Baptisia
Baptistonia
Baptorhachis
Baratranthus
Barbacenia
Barbaceniopsis
Barbarea
Barberetta
Barbeuia
Barbiera
Barbosella
Barbrodria
Barcella
Barclaya
Barjonia
Barkeria
Barkleyanthus
Barklya
Barleria
Barleriola
Barlia
Barnebydendron
Barnadesia
Barnardia
Barnardiella
Barnebya
Barneoudia
Barnettia
Barnhartia
Barombia
Barongia
Baronia
Baroniella
Barringtonia
Barroetea
Barrosoa
Barteria
Barteria
Barthea
Bartholina
Bartholomaea
Bartlettia
Bartlettina
Bartonia
Bartsia
Basananthe
Basedowia
Basella
Baseonema
Basigyne
Basilicum
Basiphyllaea
Basiphyllaea
Basisperma
Basistemon
Baskervilla
Basselinia
Bassia
Bastardia
Bastardiastrum
Bastardiopsis
Bataprine
Batemannia
Batesanthus
Batesia
Batesimalva
Bathiaea
Bathiorhamnus
Bathysa
Batis
Batocarpus
Batopedina
Battandiera
Baudouinia
Bauera
Bauhinia
Baukea
Baumea
Baumia
Baxteria




Bd...
       
Bdallophytum        

Be...
       
Bealia
Beapreopsis
Beaucarnea
Beaufortia
Beaumontia
Beauprea
Bebbia
Beccarianthus
Beccarinda
Beccariophoenix
Becium
Beckeropsis
Beckmannia
Beclardia
Becquerelia
Bedfordia
Beesia
Begonia
Begoniella
Beguea
Behaimia
Behnia
Behria
Behuria
Beilschmiedia
Beirnaertia
Beiselia
Bejaranoa
Bejaria
Belairia
Belamcanda
Belemia
Belencita
Bellardiochloa
Bellendina
Bellevalia
Bellida
Belliolum
Bellis
Bellium
Belloa
Bellonia
Bellucia
Belmontia
Beloglottis
Belonophora
Beloperone
Belostemma
Belosynapsis
Belvisia
Bembicia
Bencomia
Benevidesia
Benguellia
Benincasa
Benjaminia
Benkara
Bennettiodendron
Benoicanthus
Benoistia
Bensoniella
Benthamia
Benthamia
Benthamiella
Benthamina
Bentinckia
Bentleya
Benzingia
Benzonia
Berardia
Berberidopsis
Berberis
Berchemia
Berchemiella
Berenice
Bergenia
Bergera
Bergeranthus
Bergerocactus
Bergeronia
Berghesia
Bergia
Berhautia
Berkheya
Berlandiera
Berlinia
Berlinianche
Bernardia
Berneuxia
Bernoullia
Berrisfordia
Berroa
Berrya
Bersama
Berteroa
Berteroella
Bertholletia
Bertiera
Bertolonia
Bertya
Berula
Berylsimpsonia
Berzelia
Beschorneria
Besleria
Bessera
Besseya
Beta
Betula
Bewsia
Beyeria




Bh...
       
Bhesa
Bhidea
       

Bi...
       
Biarum
Bicniba
Bidaria
Bidens
Biebersteinia
Bienertia
Biermannia
Bifora
Bifrenaria
Bigelowia
Bignonia
Bijlia
Bikkia
Bilacunaria
Billardiera
Billbergia
Billia
Billieturnera
Binotia
Biondia
Biophytum
Bipinnula
Bisboeckelera
Bischofia
Biscutella
Biserrula
Bisglaziovia
Bisgoeppertia
Bishopalea
Bishopanthus
Bishopiella
Bishovia
Bismarckia
Bistella
Bistorta
Biswarea
Bituminaria
Bivonaea
Bixa
Bizonula

Bl...
       
Blachia
Blackallia
Blackstonia
Blainvillea
Blakea
Blakeanthus
Blakiella
Blanchetia
Blancoa
Blandfordia
Blandibractea
Blastemanthus
Blastocaulon
Blastus
Blechnum
Blechum
Blennodia
Blennosperma
Blennospora
Blepharandra
Blepharidachne
Blepharidium
Blepharipappus
Blepharis
Blepharispermum
Blepharistemma
Blepharizonia
Blepharocalyx
Blepharocarya
Blepharodon
Blepharoneuron
Blephilia
Bletia
Bletilla
Blighia
Blighiopsis
Blinkworthia
Blitum
Blomia
Bloomeria
Blossfeldia
Blotia
Blotiella
Blumea
Blumenbachia
Blumeodendron
Blumeopsis
Blutaparon
Blysmopsis
Blysmus
Blyttia
Blyxa



Bo...
       
Bobartia
Bobea
Bocagea
Bocageopsis
Bocconia
Bocoa
Bocquillonia
Boea
Boeberastrum
Boeberoides
Boehmeria
Boeica
Boenninghausenia
Boerhavia
Boerlagea
Boerlagella
Boesenbergia
Bognera
Bogoria
Boholia
Boisduvallia
Boissiera
Boivinella
Bolandra
Bolanosa
Bolanthus
Bolax
Bolbidium
Bolbitis
Bolbosaponaria
Bolboschoenus
Bolbostemma
Boleum
Bollea
Bolocephalus
Boltonia
Bolusafra
Bolusanthus
Bolusia
Bolusiella
Bomarea
Bombacopsis
Bombax
Bombycilaena
Bommeria
Bonamia
Bonania
Bonannia
Bonatea
Bonetiella
Bongardia
Boninia
Boninofatsia
Bonnetia
Bonniera
Bonplandia
Bontia
Bonyunia
Boophone
Boquila
Borago
Borassodendron
Borassus
Borderea
Boreava
Borinda
Borismene
Borkonstia
Borneacanthus
Borneodendron
Bornmuellera
Borodinia
Borojoa
Boronia
Borrichia
Borsczowia
Borthwickia
Borya
Boschniakia
Boscia
Bosea
Bosistoa
Bosqueiopsis
Bossera
Bossiaea
Bostrychanthera
Boswellia
Bothriochilus
Bothriochloa
Bothriocline
Bothriospermum
Bothriospora
Botryarrhena
Botrychium
Botryophora
Botscantzevia
Bottegoa
Bottinaea
Bouchardatia
Bouchea
Bouchetia
Bouea
Bougainvillea
Bougueria
Bournea
Bourreria
Bousigonia
Bouteloua
Boutiquea
Boutonia
Bouvaria
Bouvardia
Bouzetia
Bovonia
Bowdichea
Bowiea
Bowkeria
Bowlesia
Bowringia
Boyania
Boykinia
Boöpis




Br...
       
Brabejum
Brachanthemum
Brachiaria
Brachionidium
Brachionostylum
Brachistus
Brachtia
Brachyachne
Brachyactis
Brachybotrys
Brachycarpaea
Brachycaulos
Brachycereus
Brachychiton
Brachychloa
Brachyclados
Brachycorythis
Brachycylix
Brachyelytrum
Brachyglottis
Brachylaena
Brachyloma
Brachylophon
Brachynema
Brachyotum
Brachypeza
Brachypodium
Brachyscome
Brachysema
Brachysiphon
Brachystegia
Brachystele
Brachystelma
Brachystemma
Brachystephanus
Brachystigma
Brachythrix
Brachytome
Bracisepalum
Brackenridgea
Bracteantha
Bracteanthus
Bracteolanthus
Bradea
Braemia
Brahea
Brainea
Brandegea
Brandisia
Brandzeia
Brasenia
Brasilicereus
Brasiliopuntia
Brasiliorchis
Brassaiopsis
Brassavola
Brassia
Brassiantha
Brassica
Brassiodendron
Brassiophoenix
Braunsia
Bravaisia
Bravoa
Braya
Brayopsis
Brayulinea
Brazoria
Brazzeia
Bredemeyera
Bredia
Brenania
Brenierea
Breonadia
Breonia
Bretschneidera
Breviea
Brewcaria
Breweria
Brexia
Brexiella
Breynia
Brickellia
Brickelliastrum
Bridelia
Bridgesia
Briegeria
Briggsia
Briggsiopsis
Brighamia
Brillantaisia
Brimeura
Briquetia
Brittenia
Briza
Brizula
Brocchinia
Brochoneura
Brodiaea
Brodriguesia
Brogniartia
Brombya
Bromelia
Bromheadia
Bromuniola
Bromus
Brongniartikentia
Brookea
Brosimum
Brossardia
Broughtonia
Broussaisia
Broussonetia
Browallia
Brownanthus
Brownea
Browneopsis
Browningia
Brownleea
Brownlowia
Brucea
Bruckenthalia
Brugmansia
Bruguiera
Bruinsmia
Brunellia
Brunfelsia
Brunia
Brunnera
Brunnichia
Brunonia
Brunsvigia
Brya
Bryanthus
Bryaspis
Brylkinia
Bryocarpum
Bryodes
Bryomorphe
Bryonia
Bryophyllum

Bu...
       
Bubbia
Bucephalandra
Buceragenia
Buchanania
Buchenavia
Buchholzia
Buchlomimus
Buchloe
Buchnera
Buchnerodendron
Buchtienia
Bucida
Bucinellina
Buciniczea
Buckinghamia
Buckleya
Bucquetia
Buddleja
Buergersiochloa
Bufonia
Buforrestia
Buglossoides
Buhsia
Bukiniczia
Bulbine
Bulbinella
Bulbinopsis
Bulbocodium
Bulbophyllum
Bulbostylis
Bulleyia
Bulnesia
Bunchosia
Bungea
Bunias
Bunium
Buphthalmum
Bupleurum
Burasaia
Burbidgea
Burchellia
Burckella
Burdachia
Burkartia
Burkea
Burkillanthus
Burkilliodendron
Burlemarxia
Burmannia
Burmeistera
Burnatia
Burnettia
Burnsbaloghia
Burnsbaloghia
Burretiodendron
Burretiodendron
Burretiokentia
Burroughsia
Bursaria
Bursera
Burttdavya
Burttia
Bussea
Butea
Butia
Butomopsis
Butomus
Buttonia
Butumia
Butyrospermum
Buxus

By...
       

Byblis
Byrsanthus

Byrsonima
Byrsophyllum
Bystropogon

Bythophyton

Byttneria