Question: What is the capital of the only triply landlocked U.S. state wherein one can find Maianthemum canadense?
Related documents: [0]  [DOC] Maianthemum canadense (Canadian may-lily, Canada mayflower, false lily-of-the-valley, Canadian lily-of-the-valley, wild lily-of-the-valley, Two-leaved Solomonseal) is a dominant understory perennial flowering plant, native to the sub-boreal conifer forests in Canada and the northern United States, from Yukon and British Columbia east to Newfoundland and south to Nebraska and Pennsylvania, and also in the Appalachian Mountains to northern Georgia. It can be found growing under both evergreen and deciduous trees. [END] 
[1]  [DOC] Nebraska is a state that lies in both the Great Plains and the Midwestern United States. The state is bordered by South Dakota to the north, Iowa to the east and Missouri to the southeast, both across the Missouri River, Kansas to the south, Colorado to the southwest and Wyoming to the west. It is the only triply landlocked U.S. state. Nebraska's area is just over 77,220 sq mi (200,000 km) with almost 1.9 million people. Its state capital is Lincoln, and its largest city is Omaha, which is on the Missouri River. [END] 
Answer: 
Lincoln
Lincoln