ABC

- Baldellia

Baldellia ranunculoides

- Ballota

Ballota nigra ssp. meridionalis

Ballota nigra ssp. nigra

- Ballota — Synonyme

- Ballota nigra ssp. foetida

- Ballota nigra var. foetida

- Balsamina — Synonyme

- Balsamina glandulifera

- Balsamina impatiens

- Balsamina parviflora

- Banksia

Banksia marginata

- Barbarea

Barbarea vulgaris

- Bartsia

Bartsia alpina

- Bauhinia

Bauhinia variegata

- Beaucarnea

Beaucarnea recurvata

- Behen — Synonym

- Behen vulgaris

- Bellardia

Bellardia trixago

- Bellidiastrum

Bellidiastrum michelii

- Bellis

Bellis perennis

- Bencomia

Bencomia caudata

- Berberis

Berberis aetnensis

Berberis vulgaris

Berberis x stenophylla

- Berberis — Synonym

- Berberis darwinii var. pendula

- Berteroa

Berteroa incana

- Berula

Berula erecta

- Beta

Beta vulgaris ssp. maritima

- Beta — Synonyme

- Beta maritima

- Beta patellaris

- Beta procumbens

- Betonica

Betonica alopecuros

Betonica officinalis ssp. officinalis

Betonica officinalis ssp. serotina

- Betonica — Synonyme

- Betonica annua

- Betonica alopecuros ssp. alopecuros

- Betonica alopecuros ssp. jacquinii

- Betonica decumbens

- Betula

Betula nana

Betula pendula

Betula pubescens

- Betula — Synonym

- Betula alba ssp. pubescens

- Bidens

Bidens frondosa

Bidens pilosus

Bidens tripartita

- Billardiera

Billardiera longiflora

- Billbergia — Synonym

- Billbergia rhodocyanea

- Biscutella

Biscutella laevigata

- Bituminaria

Bituminaria bituminosa

- Blackstonia

Blackstonia acuminata

- Blackstonia — Synonym

- Blackstonia perfoliata ssp. serotina

- Blechnum

Blechnum spicant

Blechnum watsii

- Bolboschoenus

Bolboschoenus maritimus

- Bonaveria — Synonym

- Bonaveria securidaca

- Bonjeania — Synonym

- Bonjeania hirsuta

- Borago

Borago officinalis

- Bothriochloa

Bothriochloa ischaemum

- Bougainvillea

Bougainvillea glabra

Bougainvillea spectabilis

- Bougainvillea — Synonyme

- Bougainvillea brasiliensis

- Bougainvillea peruviana

- Bougainvillea speciosa

- Brachyglottis

Brachyglottis greyi

- Brachypodium

Brachypodium pinnatum

- Brachypodium (Synonym)

- Brachypodium corniculatum

- Brassaia

Brassaia actinophylla

- Brassica

Brassica napus ssp. napus

- Briza

Briza maxima

Briza media

- Briza (Synonyme)

- Briza grandis

- Briza tremula

- Bromopsis (Synonyme)

- Bromopsis erecta

- Bromopsis inermis

- Bromus

Bromus erectus

Bromus hordeaceus ssp. hordeaceus

Bromus inermis

Bromus sterilis

Bromus tectorum

- Bromus (Synonyme)

- Bromus arundinaceus

- Bromus glomeratus

- Bromus mollis

- Broussonetia

Broussonetia papyrifera

- Brunyera — Synonym

- Brunyera biennis

- Bryonia

Bryonia alba

Bryonia dioica

Bryonia verrucosa

- Buddleja

Buddleja davidii

- Bugula — Synonyme

- Bugula chamaepitys

- Bugula genevensis

- Bugula pyramidalis

- Bugula reptans

- Buglossoides

Buglossoides arvensis

Buglossoides purpurocaerulea

- Bulbocodium — Synonym

- Bulbocodium autumnale

- Buphthalmum

Buphthalmum salicifolium

- Bupleurum

Bupleurum baldense ssp. gussonei

Bupleurum falcatum

Bupleurum fruticosum

Bupleurum praealtum

Bupleurum stellatum

Bupleurum veronense

- Bursaria

Bursaria spinosa

- Butomus

Butomus umbellatus

- Buxus

Buxus sempervirens