Lactobacillus delbrueckii subsp. bulgaricus Lactobacillus delbrueckii subsp. bulgaricus Lactobacillus delbrueckii" subsp. "bulgaricus (until 2014 known as Lactobacillus bulgaricus) is the main bacteria used for the production of yogurt. It is also found in other naturally fermented products. First identified in 1905 by the Bulgarian doctor Stamen Grigorov, the bacterium feeds on lactose to produce lactic acid, which is used to preserve milk. "Lactobacillus delbrueckii" subsp. "bulgaricus" can be found naturally in the gastrointestinal tract of mammals living in Bulgaria, but one specific strain, "Lactobacillus bulgaricus" GLB44, is extracted from the leaves of the "Galanthus nivalis" (snowdrop flower) in Bulgaria as well. The bacterium is
Caladenia nivalis Caladenia nivalis Caladenia nivalis, commonly known as the exotic spider orchid or crystalline spider orchid, is a species of orchid endemic to the south-west of Western Australia. This orchid is easily distinguished by its bright white to pale pink and red flowers and its narrow range in and near the Leeuwin-Naturaliste National Park. "Caladenia nivalis" is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three bright white, sometimes pale pink flowers long and wide are borne on a stalk tall. The sepals have thick, brown, club-like glandular tips.