Flora of Michigan

Solidago vossii is a flowering plant in the family Asteraceae known as Voss's goldenrod. It is endemic to Michigan in the United States. It was first formally named in 2010 by James Scott Pringle & Pamela J. Laureto. The type locality is from Howe's Lake, west of Grayling in Crawford County. It is closely related to Solidago houghtonii.

Iris × robusta, called the Windermere iris, is a hybrid species of flowering plant in the family Iridaceae. Its parents are Iris versicolor and Iris virginica, both of which are native to North America. Wild populations have been found in Michigan and Ontario, and it has been introduced into Great Britain. It is a rhizomatous perennial, characterised by its violet-blue flowers and purple-flushed foliage. It has a number of cultivars, including 'Gerald Darby', 'Mountain Brook', 'Purple Fan' and 'Nutfield Blue'. Its cultivar 'Dark Aura' has gained the Royal Horticultural Society's Award of

Hypericum swinkianum, known as Swink's St. John's wort, is a shrub in the St. John's wort family. It was named after Chicago Region botanist Floyd Swink (1921-2000).

Iris lacustris, the dwarf lake iris, is a plant species in the genus Iris, subgenus Limniris and in the section Lophiris (crested irises). 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 (another North American crested iris).

Solidago houghtonii is a rare North American species of flowering plant in the family Asteraceae known as Houghton's goldenrod. It is native to southern Ontario, Canada and the northern United States (Michigan and New York). It is threatened by the loss and degradation of its habitat. It is a federally listed threatened species of the United States and it is designated a species of special concern by Canada's Committee on the Status of Endangered Wildlife in Canada.

Helianthus ambiguus is a North American species of sunflower known by the common name ambiguous sunflower. It is found only in the Great Lakes region of the United States, the states of New York, Michigan, Ohio, and Wisconsin.

Cirsium pitcheri, sometimes called Pitcher's thistle or dune thistle, is a species of thistle native to sand dune shorelines along the upper Great Lakes. It is native to Indiana, Illinois, Michigan, Wisconsin, and Ontario. It is listed by the U.S. Fish and Wildlife Service as a threatened species.

Veronica bullii is a species of flowering plant in the plantain family known by the common names kittentails and Bull's coraldrops. It is native to the Upper Midwest of the United States, including the states of Ohio, Indiana, Illinois, Wisconsin, Iowa, and Minnesota.

Solidago ohioensis is a North American plant species in the family Asteraceae, called the Ohio goldenrod. It is found primarily in the Great Lakes region of Canada and the United States, in Ontario, New York, Ohio, Michigan, Wisconsin, Indiana, and Illinois. Solidago ohioensis is a perennial herb up to 100 cm (39 inches) tall. The leaves are narrow, up to 25 cm (10 inches) long. One plant can produce as many as 500 small yellow flower heads in a compact branching array at the top of the plant. The plant grows in marshes, on sand dunes, and along the banks of rivers.

Plagiobothrys figuratus is a species of flowering plant in the borage family known by the common name fragrant popcornflower. It is native to western North America from southern British Columbia to south-western Oregon, and it can also be found in areas east such as Michigan and Illinois. One rare subspecies, ssp. corallicarpus, is endemic to Oregon.

Eurybia furcata, commonly called forked aster, is an herbaceous perennial in the family Asteraceae. It is native primarily to the Great Lakes region and the Ozark Mountains in the United States. It is uncommon throughout its range, and occurs in the states of Michigan and Wisconsin in the north, south through Nebraska, Illinois, Iowa, and Indiana, and into Missouri and Arkansas. The species is intolerant of shade and is typically found on rocky, north-facing slopes, especially those composed of limestone, dolomite, or sandstone. It can also be found in seeps on bluffs, in moist woods along

Symphyotrichum robynsianum (formerly Aster robynsianum) is a species of flowering plant in the family Asteraceae native to northeastern North America. Common names include Robyns's aster, longleaf aster, and long-leaved aster.

Ceanothus sanguineus is a species of shrub in the family Rhamnaceae known by the common name redstem ceanothus. It is native to western North America from British Columbia to Montana to far northern California; it is also known from Michigan. It grows in temperate coniferous forest habitat in forest openings amidst the conifers. This is an erect shrub approaching 3 meters in maximum height. Its stem is red to purple in color, its woody parts green and hairless when new. The deciduous leaves are alternately arranged and up to about 10 centimeters long. They are thin, light green, oval, and

Rubus permixtus is a North American species of dewberry in the genus Rubus, a member of the rose family. It grows in scattered locations in the north-central and northeastern United States, from Maine south as far as West Virginia plus Michigan and Wisconsin. Nowhere is it very common. Rubus permixtus is a nearly prostrate shrub that runs along the ground as much as 6 feet (180 cm), with vertical stems arising from those on the ground. Fruits are generally black, sweet, and edible.

Dryopteris × leedsii (Leeds' wood fern) is a hybrid fern native to eastern North America. It is the sterile offspring of the log fern (D. celsa) and the marginal wood fern (D. marginalis).

Cirsium pumilum var. hillii is a type of thistle endemic to North America. The common name for this plant is Hill's thistle.

Quercus ellipsoidalis, the northern pin oak or Hill's oak, is a North American species of oak tree native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley. It most commonly occurs on dry, sandy soils.

Prosartes hookeri is a North American species of flowering plants in the lily family known by the common names drops of gold and Hooker's fairy bells.

Prosartes maculata is a North American species of plants in the lily family with the common names yellow mandarin, spotted mandarin, or nodding mandarin. It is a perennial plant that flowers in the spring. It is a native plant of the Great Smoky Mountains and occurs in other parts of the Appalachian region from northern Georgia and northeastern Alabama to southern West Virginia and southern Ohio. There are old reports of isolated populations from near Detroit, Michigan, but these appear now to have been lost to urban development. Prosartes maculata is a herb that grows up to 80 cm tall. Its

Sagittaria cristata, the crested arrowhead, is a perennial herb growing up to 75 centimetres (30 inches) tall. The leaves are flat, long and narrow, not lobed, and up to 40 cm (16 in) long. The flowers are white. The species is native to Ontario and north-central United States (Illinois, Iowa, Minnesota, Missouri, Nebraska, Wisconsin, Michigan). It grows in shallow water along the edges of lakes, streams and marshes.

Phlox nivalis is a species of flowering plant in the Polemoniaceae family with the common names trailing phlox and pineland phlox. It is native to the southeastern United States, Texas, Michigan, and Utah. One subspecies of this plant, Phlox nivalis subsp. texensis, the Texas trailing phlox or Texan phlox, is a rare plant federally listed as an endangered species of the United States. The subspecies is endemic to Texas, where there are populations in three counties. At one time, the subspecies was thought to be extinct. It was rediscovered in 1972.

Sceptridium rugulosum, also known as the ternate grapefern or the St. Lawrence grapefern, is a species of fern. It is an evergreen, perennial species found in the vicinity of the St. Lawrence Seaway.

Solidago riddellii, known as Riddell's goldenrod, is a North American plant species in the genus Solidago of the family Asteraceae. It grows primarily in the Great Lakes and eastern Great Plains of Canada and the United States. It is sometimes considered part of the genus Oligoneuron, but as a Solidago, included in the section Solidago sect. Ptarmicoidei, the flat-topped goldenrods.

Crataegus populnea is a hawthorn native to the northeastern U.S. and southeastern Canada. The flowers have about 10 stamens with red to purple anthers, and the fruit are orange to red, about 1 cm in diameter, spherical or oblong. Crataegus compta is a variant with pear-shaped fruit.

Silphium pinnatifidum, the tansy rosinweed or cutleaf prairie dock, is a species of flowering plant in the family Asteraceae. It is native to the Southeastern United States where it is found in Alabama, Georgia, Kentucky, and Tennessee. Its habitat is prairies, barrens, and cedar glades. Because of loss of its fire-dependent habitat, this species is uncommon and is considered vulnerable. Although most populations are distinct, intermediate populations have been reported between Silphium pinnatifidum and Silphium terebinthinaceum, and some botanists consider S. pinnatifidum only a variety of

Carex assiniboinensis, commonly known as the assiniboia sedge, is a species of sedge (Carex) in the section Hymenochlaenae. First described scientifically in 1884 by American botanist William Boott, it is found in Canada and the United States, where it grows in floodplain forests, old river channels, riparian woodlands, and shrub thickets.

Astragalus neglectus, or Cooper's milkvetch, is a species of flowering plant in the family Fabaceae native to northeastern North America.

Crataegus brainerdii is a species of flowering plant in the rose family known by the common name Brainerd's hawthorn. It is named for Ezra Brainerd (1844–1924), a renowned botanist and former president of Middlebury College, in Vermont. It is native to eastern North America, including eastern Canada and the eastern United States. This species is a shrub or small tree growing up to 30 feet tall. The branches are lined with thorns up to 1.6 inches long. The serrated leaves are somewhat triangular in shape and sometimes slightly lobed. They are hairy when new. The flowers are borne in clusters.

Isoetes × eatonii, or Eaton's quillwort, is a hybrid between I. engelmannii and I. tenella. It can be found in ponds and slow moving rivers in Canada or in several New England states. In Canada, it has only been found in the Severn River in Ontario. In the United States, it has been found in Pennsylvania, New Jersey, and New York. It bears 12-100 long yellowish green leaves, each fine, soft, and 8 to 45 centimeters long. The unspotted tan colored sporangium are 12 millimeters long and 5 millimeters wide. The velum covers a sixth to a quarter of the sporangium. The elongated ligule is 3.5

Hypericum kalmianum, commonly called Kalm's St. Johns wort or Kalm's St. Johnswort, is a flowering plant in the St. John's wort family Hypericaceae. It is native to the Great Lakes region in the northern United States and southern Canada. Hypericum kalmianum was named after its discoverer, Swedish botanist Pehr Kalm (1715–1779).