Tsuga is a genus of conifers in the subfamily Abietoideae of Pinaceae, the pine family. The common name hemlock is derived from a perceived similarity in the smell of its crushed foliage to that of the unrelated plant poison hemlock. Unlike the latter, Tsuga species are not poisonous.
Trachycarpus fortunei, the Chinese windmill palm, windmill palm or Chusan palm, is a species of hardy evergreen palm tree in the family Arecaceae, native to parts of China, Japan, Myanmar and India.
Verbascum thapsus, the great mullein, greater mullein or common mullein, is a species of mullein native to Europe, northern Africa, and Asia, and introduced in the Americas and Australia.
Lycopodium clavatum is the most widespread species in the genus Lycopodium in the clubmoss family.
Maianthemum canadense is an understory perennial flowering plant, native to Canada and the northeastern United States, from Yukon and British Columbia east to Newfoundland, into St. Pierre and Miquelon. It can be found growing in both coniferous and deciduous forests. The plant appears in two forms, either as a single leaf rising from the ground with no fruiting structures or as a flowering/fruiting stem with two to three leaves. Flowering shoots have clusters of 12–25 starry-shaped, white flowers held above the leaves.
Antennaria howellii, the everlasting or Howell's pussytoes, is a North American species of plant in the family Asteraceae. It is native to northern Alaska, much of Canada including the Arctic territories, and the northern United States as far south as northern California, Colorado and North Carolina.
Iris lacustris, the dwarf lake iris, is a plant species in the genus Iris, subgenus Limniris and in the section Lophiris. It is a rhizomatous, beardless perennial plant, native to the Great Lakes region of eastern North America. It has lavender blue or violet-blue flowers, a very short stem and long fan-like green leaves. It is cultivated as an ornamental plant in temperate regions. It is closely related to Iris cristata.
Moehringia trinervia, commonly known as apetalous sandwort or three-nerved sandwort, is a herbaceous flowering plant in the family Caryophyllaceae. A native of Eurasia, it has been introduced into North America.
Moehringia is a genus of flowering plants in the family Caryophyllaceae. Members of this genus and of some other genera in Caryophyllaceae are commonly called sandworts. They are found only in the north temperate zone. The genus Moehringia was first formally named by Carl Linnaeus in 1753. It is named after the German naturalist Paul Möhring (1710–1792).
Malva sylvestris is a species of the mallow genus Malva in the family of Malvaceae and is considered to be the type species for the genus. Known as common mallow to English-speaking Europeans, it acquired the common names of cheeses, high mallow and tall mallow as it migrated from its native home in Western Europe, North Africa and Asia through the English-speaking world.
Maianthemum stellatum is a species of flowering plant, native across North America. It has been found in northern Mexico, every Canadian province and territory except Nunavut, and every US state except Hawaii and the states of the Southeast. It has little white buds in the spring, followed by delicate starry flowers, then green-and-black striped berries, and finally deep red berries in the fall.
Minuartia groenlandica, the Greenland stitchwort or mountain stitchwort, Appalachian stitchwort, mountain sandwort, smooth mountain sandwort, and smooth sandwort is a rare perennial which grows low to the ground in clumps linked together at the bottom. It has three to five pairs of leaves in a linear opposite pattern along the length of the slender stem. The main stem breaks into one to thirty cymes which each flower separately. The flowers are white and arise five to ten centimeters above the thick foliage. The white flower petals are six to ten millimeters long. The petals are, in turn, surrounded by five green sepals.
Pulsatilla nuttalliana, known as American pasqueflower, prairie pasqueflower, prairie crocus, or simply pasqueflower, is a flowering plant native to much of North America, from the western side of Lake Michigan, to northern Canada in the Northwest Territories, south to New Mexico in the southwestern United States. Pasqueflower is the provincial flower of Manitoba and the state flower of South Dakota.
Minuartia patula, common names pitcher's stitchwort or lime-barren sandwort, is an annual plant in the family Caryophyllaceae. It is native to sections of the eastern and central United States, primarily the lower Mississippi Valley, the southern Great Plains, and the Tennessee Valley, with additional scattered populations in Georgia, Virginia, Pennsylvania, and the southern Great Lakes region.
Carex lacustris, known as lake sedge, is a tufted grass-like perennial of the sedge family (Cyperaceae), native to southern Canada and the northern United States. C. lacustris us an herbaceous surface-piercing plant that grows in water up to 50 cm (1.6 ft) deep, and grows 50–150 cm (1.6–4.9 ft) tall. It grows well in marshes and swampy woods of the boreal forest, along river and lake shores, in ditches, marshes, swamps, and other wetland habitat. It grows on muck, sedge peat, wet sand or silt, in filtered or full sunlight.
Rumex pseudonatronatus, common name field dock or Finnish dock, is a plant species native to northern Europe and northern Asia, known from Asiatic and European Russia, China, Mongolia, Kazakhstan, Kyrgyzstan, Finland, Norway, Sweden, Belgium, Netherlands, Estonia, Latvia, Lithuania, Poland, Belarus, etc. It is naturalized in much of Canada and to the north-central United States. It is known from every Canadian province from Québec to British Columbia, plus Yukon, North Dakota, South Dakota and Minnesota. It grows in wet and/ore disturbed sites along stream banks, lake shores, roadsides, ditches, cultivated fields, meadows, etc.
Minuartia yukonensis, the Yukon sandwort or Yukon stitchwort, is a plant species native to Yukon and Northwest Territories of Canada, as well as Alaska, and The Russian Far East. Flora of North America and some other publications also report it from British Columbia, but more recent work shows those collections to have been misidentified. Minuartia yukonensis grows in dry, rocky meadows at elevations less than 1000 m.
Iris pontica is a species in the genus Iris, it is also in the subgenus Limniris and in series Spuriae. It is a dwarf rhizomatous perennial plant from eastern Europe, the Causcasus region and Russia, with a short stem and violet-blue and white flowers. It is cultivated as an ornamental plant in temperate regions.
Hydrophyllum canadense, known as bluntleaf waterleaf, broadleaf waterleaf, or Canada waterleaf, is a flowering plant in the borage family, Boraginaceae. It is native to the eastern United States and Canada.
Symphyotrichum kentuckiense is a rare species of flowering plant in the Asteraceae family and is commonly known as Kentucky aster, Price's aster, Miss Price's aster, Sadie's aster, or lavender oldfield aster. It is a perennial, herbaceous plant that is endemic to broken limestone cedar glades and roadsides in Alabama, Georgia, Kentucky, and Tennessee. It blooms from August through October, reaches heights between 30 centimeters and 100 cm (3.3 ft), and has green to reddish-brown stems. It is a nearly hairless plant with blue to blue-violet ray florets.
