B. concinna

B. concinna may refer to:


 * Baissea concinna, a plant used in traditional African medicine
 * Banksia concinna, a Western Australian shrub
 * Bilyaxia concinna, a jewel beetle
 * Bossiaea concinna, an Australian plant
 * Bulbine concinna, a succulent plant
 * Buprestis concinna, a jewel beetle
 * Bursa concinna, a sea snail