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Amelanchier laevis, the smooth shadbush, smooth serviceberry or Allegheny serviceberry, is a North American species of tree in the rose family Rosaceae, growing up to 9 metres (30 ft) tall. It is native to eastern Canada and the eastern United States, from Newfoundland west to Ontario, Minnesota, and Iowa, south as far as Georgia and Alabama.

Allium crenulatum, common name Olympic onion, is a plant species native to Oregon, Washington, and British Columbia. It grows in the Cascades, the Coast Ranges, the Olympic Mountains, the Wenatchee Mountains, and the mountains on Vancouver Island. There is one report from Alabama, but this needs verification. The species grows on talus slopes and in alpine tundra at elevations of 600–2500 m. Allium crenulatum produces ovoid bulbs up to 2 cm long, formed on rhizomes some distance from the parent bulb. Its leaves are flat, up to 35 cm long, sometimes with minute teeth along the margins. Scape

Carex ormostachya, also known as necklace spike sedge, is a species of flowering plant in the sedge family, Cyperaceae. It is native to Eastern Canada and the Northeastern United States.

Juncus interior is a species of rush. It is known by the common name interior rush, and in its native range also as "soft rush" (which generally refers to J. effusus outside North America). It is native to the central inlands of North America where it grows in moist areas such as meadows and spring prairies. It can also be found in drier areas. This is a perennial herb with tufted roots. It has long, flat, narrow leaves with rounded auricles. The flowers are located along the ascending branchlets. They are green with very narrow, pointed sepals and petals and six stamens. The fruits are pale

Empetrum eamesii, common name purple crowberry, is a North American species of dwarf evergreen shrub.

Carex crebriflora, the coastal plain sedge, is a species of flowering plant in the family Cyperaceae, native to Texas and the southeastern United States. It is typically found growing less than 100 m (330 ft) above sea level in the understory of wet deciduous or mixed deciduous-evergreen forests, preferring alluvial, sandy soils.

Poa paludigena is a species of grass known by the common names bog bluegrass, marsh bluegrass, slender marsh bluegrass, and Patterson's bluegrass. It is native to the northeastern United States. This perennial grass forms loose tufts of slender, weak, pale green stems up to 55 centimeters tall. It has no stolons and rarely has small rhizomes. The thin leaves are no more than 2 millimeters wide and 10 centimeters long. The inflorescence is an open panicle of just a few small spikelets. It is difficult to distinguish from related species without microscopic examination. It is similar to other

Juncus occidentalis is a species of rush known by the common name western rush. It is native to the western United States, where it grows in wet areas in many types of habitat. This is a bunching perennial herb with thin, stiff stems reaching maximum heights between 30 and 60 centimeters. The wispy leaves grow from the base of the stem and may approach half the stem's length. The inflorescence holds loose bundles of individual flowers and there is usually one long, leaflike bract extending far past the flowers. Each flower has green-striped brownish to reddish tepals each several millimeters

Juncus dudleyi is a widespread species of rush native to North America, and introduced to northern South America, Japan, Great Britain and central Europe. Its diploid chromosome number is 2n=80.

Galium labradoricum (Labrador bedstraw or northern bog bedstraw) is a plant species in the family Rubiaceae. It is widespread across Canada, found in all provinces and territories except Yukon. It also occurs in Saint Pierre and Miquelon and in the northern United States, primarily in New England and the Great Lakes region, from Maine to the Dakotas. It is endangered in Connecticut.

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Amelanchier humilis, commonly known as the low shadbush, is a North American species of serviceberry. It is native to central Canada (from Saskatchewan to Québec) and the northeastern and north-central United States (from Nebraska and the Dakotas east as far as Vermont and New Jersey).

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Salix calcicola, known as limestone willow or woolly willow, is a species of willow native to the subarctic and Arctic regions of Canada, including Nunavut Islands, continental Nunavut, northern Quebec, Labrador. Arctic islands: Baffin, King William, Southampton, and Coats (Boothia Peninsula). It is a low growing shrub with usually ovate leaves and catkins that emerge in the early spring before the leaves emerge. The species has been treated as subspecies of Salix lanata, but it is not proven.

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Amelanchier sanguinea, known as red-twigged shadbush or roundleaf serviceberry, is a shrub native to eastern and central North America. Its native range stretches from New Brunswick to Saskatchewan south as far as northern Georgia. It is most common in eastern Canada, the northeastern United States, and the Great Lakes region. Amelanchier sanguinea is a shrub that can grow up to 3 metres (9.8 ft) tall, and has edible sweet-flavored fruits that are red when young and become purple or dark-blue when they ripen. Like all Amelanchier fruit, these resemble berries, but are technically pomes.

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