â¢ SIUM LATIFOLIUM (noun). The noun SIUM LATIFOLIUM has 1 sense: 1. large stout white-flowered perennial found wild in shallow fresh water; Europe. Familiarity information: SIUM LATIFOLIUM used as a noun is very rare. SIUM LATIFOLIUM (noun). The noun SIUM LATIFOLIUM has 1 sense: 1. large stout white-flowered perennial found wild in shallow fresh water; Europe. Familiarity information: SIUM LATIFOLIUM used as a noun is very rare.
Coal producers. The largest coal producing countries are not confined to one region - the top five hard coal producers are China, the USA, India, Australia and Indonesia. Much of global coal production is used in the country in which it was produced; only around 15% of hard coal production is destined for the international coal market.
In 2015, U.S. coal production dropped 10.3% year-over-year to below 900 million short tons, the lowest annual production level since 1986. 1  Production in the Western Region, representing 56.6% of total U.S. coal production in 2015, totaled 507.4 million short tons (MMst), 6.5% lower than 2014.