Cercis canadensis, the eastern redbud, is a large deciduous shrub or small tree, native to eastern North America from southern Michigan south to central Mexico, west to New Mexico. Species thrive as far west as California and as far north as southern Ontario, roughly corresponding to USDA hardiness zone 5b. It is the state tree of Oklahoma.
Cornus canadensis is a species of flowering plant in the dogwood family Cornaceae, native to eastern Asia and North America. Common names include Canadian dwarf cornel, Canadian bunchberry, quatre-temps, crackerberry, and creeping dogwood. Unlike its relatives, which are for the most part substantial trees and shrubs, C. canadensis is a creeping, rhizomatous perennial growing to about 20 centimetres tall.
Cornus sericea, the red osier or red-osier dogwood, is a species of flowering plant in the family Cornaceae, native to much of North America. It has sometimes been considered a synonym of the Asian species Cornus alba. Other names include red brush, red willow, redstem dogwood, redtwig dogwood, red-rood, American dogwood, creek dogwood, and western dogwood.
Linum lewisii is a perennial plant in the family Linaceae, native to western North America from Alaska south to Baja California, and from the Pacific Coast east to the Mississippi River. It grows on ridges and dry slopes, from sea level in the north up to 11,000 feet in the Sierra Nevada.
Nuttallanthus is a genus of four species of herbaceous annuals and perennials that was traditionally placed in the foxglove family Scrophulariaceae. Due to new genetic research, it has now been placed in the vastly expanded family Plantaginaceae. Three species of Nuttallanthus are native to North America and one to South America. Nuttallanthus was until the 1980s included in a wider circumscription of the genus Linaria, a genus now considered restricted to the Old World.
Linaria vulgaris, the common toadflax, yellow toadflax or butter-and-eggs, is a species of flowering plant in the family Plantaginaceae, native to Europe, Siberia and Central Asia. It has also been introduced and is now common in North America.
Sambucus canadensis, the American black elderberry, Canada elderberry, or common elderberry, is a species of elderberry native to a large area of North America east of the Rocky Mountains, south to Bolivia. It grows in a variety of conditions including both wet and dry soils, primarily in sunny locations.
Hypoxis hirsuta, commonly known as common goldstar, common star-grass, eastern yellow stargrass, yellow star grass, or yellow star flower, is a perennial ornamental plant in the family Hypoxidaceae. Sometimes this plant is placed in the family Amaryllidaceae or the family Liliaceae. The species is native to the United States, Canada, and northeastern Mexico.
Solidago canadensis, known as Canada goldenrod or Canadian goldenrod, is an herbaceous perennial plant of the family Asteraceae. It is native to northeastern and north-central North America and often forms colonies of upright growing plants, with many small yellow flowers in a branching inflorescence held above the foliage. It is an invasive plant in other parts of the continent and several areas worldwide, including Europe and Asia. It is grown as an ornamental in flower gardens.
Amelanchier canadensis is a species of Amelanchier native to eastern North America in Canada from Newfoundland west to southern Ontario, and in the United States from Maine south to Alabama. It is largely restricted to wet sites, particularly on the Atlantic coastal plain, growing at altitudes from sea level up to 200 m.
Mentha canadensis is a species of mint native to North America and the eastern part of Asia. In North America, it is commonly known as Canada mint, American wild mint, and in Asia as Chinese mint, Sakhalin mint, Japanese mint, and East Asian wild mint. The flowers are bluish or have a slight violet tint. The plant is upright, growing to about 4–18 in (10–46 cm) tall. Leaves grow opposite from each other, and flower bunches appear in the upper leaf axils. The mint grows in wet areas but not directly in water, so it will be found near sloughs, and lake and river edges. Plants bloom from July to August in their native habitats.
Ratibida columnifera, commonly known as upright prairie coneflower, Mexican hat, rocketflower, and longhead prairie coneflower, is a perennial species of flowering plant in the genus Ratibida in the family Asteraceae. It is native to much of North America and inhabits prairies, plains, roadsides, and disturbed areas from southern Canada through most of the United States to northern Mexico.
Lactuca canadensis is a species of wild lettuce known by the common names Canada lettuce, Canada wild lettuce, and tall lettuce. Its true native range is not clear, but it is considered to be a native of the eastern and central parts of North America. It naturalized in the western part of the continent as well as in Eurasia.
Linaria bipartita is a species of flowering plant in the plantain family known by the common name clovenlip toadflax. It is native to Morocco, but it can be found elsewhere as an introduced species and it is cultivated as an ornamental plant. It is an annual herb growing 10 to 30 centimeters tall with linear leaves 3 to 5 centimeters in length. The inflorescence is a raceme of flowers occupying the top of the stem. The flower is about 2 centimeters long with five lobes arranged into two lips with a spur at the end. The flower is often reddish purple in color, but flowers of many different colors are bred for the garden. The fruit is a spherical capsule about 2 millimeters wide.
Linaria maroccana is a species of flowering plant in the plantain family known by the common names Moroccan toadflax and annual toadflax. It is native to Morocco, but it can be found elsewhere growing wild as an introduced species, such as California. It is a readily available ornamental plant for the flower garden. This is an annual herb growing erect to approach a maximum height of 50 cm (20 in), its stem with linear leaves 2–4 cm (0.8–1.6 in) long. The inflorescence is a raceme of flowers occupying the top of the stem. At the base of each flower is a calyx with five narrow, pointed lobes. The flower is 2–4 cm (0.8–1.6 in) long with five lobes arranged into two lips with a spur at the end. The flower is often purple in color with white near the throat, but flowers of many different colors are bred for the garden. Dwarf cultivars are also available.
Linaria purpurea or purple toadflax is a purple-flowered plant native to Italy, part of the plantain family (Plantaginaceae). It is sometimes planted in gardens and is also an introduced weed in North America and other parts of Europe.
Linaria dalmatica is a herbaceous, short-lived perennial plant native to western Asia and southeastern Europe that has become a weed in other areas. The family this plant now belongs to is the Plantaginaceae Family. Previously, it belonged to the Scrophulariaceae (Figwort) family. Its common names include Balkan toadflax, broadleaf toadflax, and Dalmatian toadflax. Linaria dalmatica has unique yellow flowers with an orange center that draw individuals to purchase them to display in their gardens. The distribution of L. dalmatica to North America can be attributed to use as a fabric dye, folk remedies and as an ornamental plant. However, it is now classified as a weed in both Canada and the U.S.A.
Pyrola grandiflora (pronunciation , commonly known as Arctic wintergreen or largeflowered wintergreen, is a hardy perennial evergreen subshrub in the family Ericaceae. It is widely distributed in the Northern Hemisphere from temperate to tundra-like climates.
Orbexilum pedunculatum, commonly known as Sampson's snakeroot, is a species of flowering plant in the legume family. It is native primarily to the Southeastern United States where it is found in prairies and savannas, often in acidic soil. It is a perennial that produces racemes of flowers in early summer.
Lactuca floridana, commonly known as woodland lettuce, Florida lettuce, or false lettuce is a North American species of wild lettuce. It is native across much of central Canada and the eastern and central United States.
