B. vulgaris may refer to:
Bambusa vulgaris, an open clump type bamboo species Barbarea vulgaris, the bittercress, a biennial herb species Berberis vulgaris, the European barberry, a shrub species Beta vulgaris, the beet, a plant species Bromus vulgaris, the Columbia brome, a grass species native to western North America Byblia vulgaris, a butterfly species found in western Africa
See also Vulgaris (disambiguation)