| Babiana |
Baboon Root |
 |
| Ballota nigra |
Black Horehound |
 |
| Baphia massaiensis |
Jasmine Pea, Sand Camwood |
 |
| Baptisia australis alba |
False Indigo |
 |
| Bassia (Kochia) scoparia |
Burning Bush |
|
| Bauhinia (many) |
Orchid Tree |
|
| Bauhinia |
Orchid Tree |
|
| Bauhinia galpinii |
Orchid Tree |
|
| Begonia semperflorens |
Wax Begonia |
 |
| Belamcanda chinensis |
Blackberry Lily |
|
| Bellis perennis |
Daisy |
 |
| Bergenia ciliata |
Frilly Bergenia |
|
| Berkheya purpurea |
Purple Berkheya |
|
| Betonica officinalis |
Betony |
|
| Betula utilis |
Silver Birch |
|
| Bidens ferulifolia |
Apache Beggarticks, Small Beggarticks |
|
| Bignonia capreolata |
Cross Vine |
|
| Bixa orellana |
Lipstick Tree |
|
| Blumenbachia hieronmyi |
Sting Lily |
|
| Boenninghausenia albiflora |
Boenninghausenia |
|
| Borago officinalis |
Borage |
|
| Brachychiton acerifolius |
Flame Tree |
|
| Brachychiton bidwillii |
Bottletree |
|
| Brachychiton populneus |
Kurraiong |
|
| Brachycome iberidifolia |
Swan River Daisy |
|
| Browallia speciosa |
Bush Violet |
|
| Brunfelsia (many) |
Kiss-me-Quick |
|
| Brunfelsia sp |
Kiss-me-Quick |
|
| Buddleia davidii |
Butterfly Bush |
|
| Bupleurum rotundifolium |
Thorow Wax |
|
| Bupthalmum speciosum |
Ox-eye Daisy |
|
