Coniferous trees are the dominant plants of the taiga biome. A very few species in four main genera are found: the evergreen spruce, fir and pine, and the deciduous larch. In North America, one or two species of fir and one or two species of spruce are dominant.lthough the taiga is dominated by coniferous forests, some broadleaf trees also occur, notably birch, aspen, willow, and rowan. Many smaller herbaceous plants, such as ferns and occasionally ramps grow closer to the ground.
Top 100 Most Prescribed, Top Selling Drugs. The hypothyroid medication levothyroxine (Synthroid, AbbVie) continues to be the nation's most prescribed drug, and the antipsychotic aripiprazole (Abilify, Otsuka Pharmaceutical) continues to have the highest sales, at nearly $6.9 billion, according to the latest data from research firm IMS Health.
Benzodiazepines are depressants that have a relaxing effect and are prescribed to induce sleep, relieve anxiety and muscle spasms and to prevent seizures. Benzodiazepines are the most widely prescribed psychiatric drugs in the United States. In 2009, Xanax alone was prescribed over 44 million times in the USA.here are many different kinds of benzodiazepines and they come in a variety of brand and generic forms. Brand names include Valium, Xanax, Ativan and Klonopin. This test covers all of those and more thanks to the shared nature of those drugs' chemical makeup.