Lactobacillus bulgaricus GLB44 differs from the rest of the L. bulgaricus strains as it was isolated from the leaves of Galanthus nivalis (snowdrop flower) in Bulgaria, becoming the only known strain of this subspecies that has vegan origin (not from yogurt) available as a commercial probiotic.
Lactobacillus bulgaricus GLB44 diferă de restul de L. bulgaricus tulpini ca a fost izolat din frunzele ghiocelului (Galanthus nivalis) în Bulgaria, devenind cunoscută doar tulpina acestei subspecii, care are  origine vegană (nu de la iaurt), valabilă ca probiotic comercial.