| P Bocconia arborea (Tree Poppy) |
| P Bocconia frutescens (Tree Poppy) |
| P Boehmeria excelsa |
| P Boehmeria nivea (Ramie) |
| P Bonnetia dinizii |
| P Borago officinalis (Borage; Beebread; Beeplant; Talewort) |
| P Boronia megastigma (Scented Boronia) |
| P Boswellia sacra (Olibanum; Frankincense; Olibanum Tree; Weihrauchbaum (Ger.); Weihrauchpflanze (Ger.); arbol del incensio (Sp.); Oliban () |
| P Boswellia serrata (Salaki; Salai Guggal; Kundur Luban; Salai; Indian Olibanum-Tree; Indian Frankincense) |
| P Bowdichia nitida |
| P Bowdichia virgilioides |
| P Brassica chinensis (Chinese Cabbage; Pak-Choi; Chinese Mustard; Bok-Choy; Celery Mustard; Chinese White Cabbage; Celery Cabbage) |
| P Brassica juncea (Mustard Greens) |
| P Brassica napus var. napobrassica (Rutabaga; Swede; Swedish Turnip) |
| P Brassica nigra (Black Mustard) |
| P Brassica oleracea var. botrytis l. (Cauliflower) |
| P Brassica oleracea var. capitata l. (Cabbage; Red Cabbage; White Cabbage) |
| P Brassica oleracea var. gemmifera (Brussels-Sprouts; Brussel-Sprout) |
| P Brassica oleracea (Kohlrabi) |
| P Brassica oleracea var. viridis l. (Collards; Cow Cabbage; Tall Kale; Tree Kale; Spring-Heading Cabbage) |