Question: What is the capital of the only triply landlocked U.S. state wherein one can find Maianthemum canadense?

full_context: Document 1: University of Nebraska–Lincoln: The University of Nebraska–Lincoln, often referred to as Nebraska, UNL or NU, is a public research university in the city of Lincoln, in the state of Nebraska in the Midwestern United States. It is the state's oldest university, and the largest in the University of Nebraska system.
Document 2: Nebraska Admiral: Nebraska Admiral (formally, Admiral in the Great Navy of the State of Nebraska) is Nebraska's highest honor, and an honorary title bestowed upon individuals by approval of the Governor of Nebraska, the only triply landlocked U.S. state. It is not a military rank, requires no duties, and carries with it no pay or other compensation. Admirals have the option of joining the Nebraska Admirals Association, a non-profit organization that promotes "The Good Life" of Nebraska.
Document 3: Caulophyllum: Caulophyllum is a small genus of perennial herbs in the family Berberidaceae. It is native to eastern Asia and eastern North America. These plants are distinctive spring wildflowers, which grow in moist, rich woodland, it is known for its large triple-compound leaf, and large blue, berry-like fruits. Unlike many spring wildflowers, it is not an ephemeral plant and persists throughout much of the summer. Common names for plants in this genus include Blue Cohosh, Squaw Root, and Papoose Root. As hinted at by its common names, this plant is well known as an alternative medicine for inducing childbirth and menstrual flow; it is also considered a poisonous plant.
Document 4: Erythronium americanum: Erythronium americanum (trout lily, yellow trout lily, yellow dogtooth violet) is a species of perennial, colony forming, spring ephemeral flower native to North America and dwelling in woodland habitats. Within its range it is a very common and widespread species, especially in eastern North America. The common name "trout lily" refers to the appearance of its gray-green leaves mottled with brown or gray, which allegedly resemble the coloring of brook trout.
Document 5: Sioux City, Iowa: Sioux City ( ) is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 82,684 in the 2010 census, which makes it the fourth largest city in Iowa. The bulk of the city is in Woodbury County, of which it is the county seat, though a small portion is in Plymouth County. Sioux City is located at the navigational head of the Missouri River. Often the city and surrounding area is referred to as Siouxland, especially by the local media and residents. The city is home to several cultural points of interest including the Sioux City Public Museum, Sioux City Art Center and Sergeant Floyd Monument, which is a National Historical Landmark. The city is also home to Chris Larsen Park, commonly referred to as “the Riverfront,” which is the launching point for a riverboat casino and includes the Anderson Dance Pavilion, Sergeant Floyd Riverboat Museum and Lewis and Clark Interpretive Center.
Document 6: Maianthemum canadense: 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.
Document 7: Missouri: Missouri is a state in the Midwestern United States. With over six million residents, it is the 18th most populous state. The largest urban areas are St. Louis, Kansas City, Springfield, and Columbia. The capitol is in Jefferson City on the Missouri River. The state is the 21st most extensive in area. In the South are the Ozarks, a forested highland, providing timber, minerals, and recreation. The Mississippi River forms the eastern border of the state.
Document 8: Valeriana sitchensis: Valeriana sitchensis is a species of valerian known by the common name Sitka valerian. It is native to northwestern North America from Alaska and northern Canada to Montana to northern California, where it grows in many types of habitat, including moist mountain forests. In moist subalpine meadows, it is often one of the most common plants. This is a rhizomatous perennial herb producing a stout, erect stem to about 70 centimeters in maximum height, but known to exceed one meter at times. The leaves vary in size and shape, often having deep lobes or being composed of several leaflets. The inflorescence is a cyme of many white or pink-tinged flowers, each under a centimeter wide. The flower has five corolla lobes and three whiskery stamens protruding from the center.
Document 9: Camassia quamash: Camassia quamash, commonly known as camas, small camas, common camas, common camash or quamash, is a perennial herb. It is one species of the genus "Camassia" and is native to western North America in large areas of southern Canada and the northwestern United States, from British Columbia and Alberta to California and east from Washington state to Montana and Wyoming.
Document 10: North American azaleas: North American azaleas are flowering shrubs in the genus "Rhododendron", section "Pentanthera", subsection Pentanthera, so named because they all have five stamens. Most are in the United States, with one species found in Canada and one being found in Mexico. North American azaleas are commonly confused with azaleas of Asian origin, the evergreen azaleas. North American azaleas are deciduous and produce two types of buds. One is a larger and produces about 20 flowers while the other bud produces a leafy shoot. The flower color, fragrance, and number of stamens vary among species.
Document 11: Nebraska: 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.
Document 12: Bluebell wood: A bluebell wood is a woodland that in springtime has a carpet of flowering bluebells ("Hyacinthoides non-scripta") underneath a newly forming leaf canopy. The thicker the summer canopy, the more the competitive ground-cover is suppressed, encouraging a dense carpet of bluebells, whose leaves mature and die down by early summer. Other common woodland plants which accompany bluebells include the yellow rattle and the anemone.
Document 13: Iowa: Iowa ( ) is a U.S. state in the Midwestern United States, bordered by the Mississippi River on the east and the Missouri River and the Big Sioux River on the west. Surrounding states include Wisconsin to the northeast, Illinois to the east, Missouri to the south, Nebraska to the west, South Dakota to the northwest, and Minnesota to the north.
Document 14: Great Plains: The Great Plains (sometimes simply "the Plains") is the broad expanse of flat land (a plain), much of it covered in prairie, steppe and grassland, that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the United States and Canada. It embraces
Document 15: Understory: In forestry and ecology, understory (or understorey, underbrush, undergrowth) comprises plant life growing beneath the forest canopy without penetrating it to any great extent, but above the forest floor. Only a small percentage of light penetrates the canopy so understory vegetation is generally shade tolerant. The understory typically consists of trees stunted through lack of light, other small trees with low light requirements, saplings, shrubs, vines and undergrowth. Small trees such as holly and dogwood are understory specialists.
ground_truth: Lincoln