Salpichroa origanifolia is a species of flowering plant in the nightshade family known by the common names lily of the valley vine, pampas lily-of-the-valley or cock's-eggs.
Arrhenatherum elatius, with the common names bulbous oat grass, false oat-grass, tall oat-grass, tall meadow oat, onion couch and tuber oat-grass, is a species of perennial grass, native to Europe, western Asia, and northern Africa.
Aurinia saxatilis is an ornamental plant native to Asia and Europe.
Bougainvillea glabra, the lesser bougainvillea or paperflower, is the most common species of bougainvillea used for bonsai. The epithet 'glabra' comes from Latin and means "bald".
Vicia hirsuta or Ervilia hirsuta is a species of flowering plant from the large genus Vicia.
Bromus sterilis is an annual or biennial species of bromegrass known as barren brome, poverty brome, and sterile brome.
Berteroa incana is a species of flowering plant in the mustard family, Brassicaceae. Its common names include hoary alyssum, false hoary madwort, hoary berteroa, and hoary alison. It is a biennial herb native to Eurasia and it has been introduced to western Europe and North America. It is listed as an invasive noxious weed in some areas of United States and Canada
Alyssum desertorum is a species of flowering plant in the family Brassicaceae known by the common name desert madwort. It is native to Europe, North Africa and Asia, and it is found in parts of western North America as an introduced species and sometimes a weed. This is a hairy annual herb producing upright stems up to about 20 centimeters tall. The leaves are linear to oblanceolate-linear in shape, 0.5-4 millimeters long and 0.3-3 millimeters wide. The entire plant is covered by 8-20 rayed stellate trichomes, giving the plant a grayish appearance. It produces small yellowish flowers with petals that are 2-2.5 millimeters long and round, notched fruits 2.5-4.5 millimeters long. The brown seeds are winged, arranged two to a locule, and are about 1.5 millimeters long.
Anoda cristata is a species of flowering plant in the mallow family known by many common names, including spurred anoda, crested anoda, and violettas. It is native to North and South America. It is known throughout the rest of the Americas as well as Australia as an introduced species and often a noxious weed. It has been found as a weed in Belgium. Naturally, it is often found near streams, in moist meadows, and in disturbed areas.
Solanum physalifolium, known as hoe nightshade, Argentine nightshade, green nightshade and hairy nightshade, is a species in the family Solanaceae. Native to Argentina, Bolivia and Chile, it is widely naturalized in Australia, New Zealand, Europe, western Canada and the north western United States. Solanum physalifolium has been widely but incorrectly known as Solanum sarrachoides, a different species. It has been listed as a noxious weed in the US states of Kansas and Michigan under this misapplied name.
Cytisus multiflorus is a species of legume known by the common names white broom, white spanishbroom and Portuguese broom.
Flaveria trinervia is a species of flowering plant in the aster family known by the common names clustered yellowtops, speedyweed, and yellow twinstem. It is native to parts of the Americas, including the southeastern and southwestern United States, most of the Bahamas, Mexico, Belize, and parts of the Caribbean, especially Cuba, Cayman Islands, Jamaica, Hispaniola, Puerto Rico and Barbados. It is also known in many other places as an introduced species and often a noxious weed, such as in Hawaii.
Silene conoidea is a species of flowering plant in the family Caryophyllaceae known by the common names weed silene and large sand catchfly. It is native to Eurasia, and it is known in other parts of the world, such as western North America, as a weed. It is an annual herb growing up to a meter in height with a hairy, partially glandular stem. The lance-shaped leaves are up to 12 centimeters long near the base of the plant and smaller farther up. The flower is enclosed in an inflated, hairy, glandular calyx of fused sepals which is ridged with many veins. It is open at the top, revealing five bright pink petals.
Sisymbrium orientale is a species of flowering plant in the family Brassicaceae known by the common names Indian hedgemustard and eastern rocket. It is native to Europe, Asia, and North Africa, and it can be found throughout much of the temperate world as an introduced species and in some areas a common roadside weed. It is an annual herb producing a hairy, branching stem up to about 30 centimeters tall. The basal leaves are divided into deep lobes or toothed leaflets. Leaves higher on the stem have lance-shaped blades with small separate lobes near the base. The top of the stem is occupied by a raceme of flowers with light yellow petals each measuring up to a centimeter long. The fruit is a silique which can be up to 10 centimeters long.
Vicia pannonica is a species of vetch known by the common name Hungarian vetch. It is native to southern, central Europe and western Asia, and it is sometimes cultivated as an agricultural crop for use as hay and fodder. It may escape cultivation and grow as a casual roadside weed.
Mirabilis macfarlanei is a rare species of flowering plant in the four o'clock family known by the common name MacFarlane's four o'clock. It is native to Idaho and Oregon in the United States, where it is only known from three river canyons. It faces a number of threats and is federally listed as a threatened species of the United States.
Paspalum setaceum is a species of grass known by several common names, including thin paspalum. It is native to the Americas, where it can be found in the eastern and central United States, Ontario in Canada, Mexico, Central America, and the Caribbean. It can be found in other areas of the world as an introduced, and often invasive, species, including many Pacific Islands. It is a weed of lawns and turf.
Alysicarpus vaginalis is a species of flowering plant in the legume family, Fabaceae. It is native to parts of Africa and Asia, and it has been introduced to other continents, such as Australia and the Americas. It is cultivated as a fodder for livestock, for erosion control, and as a green manure. Common names include alyce clover, buffalo clover, buffalo-bur, one-leaf clover, and white moneywort.
Stachys floridana is a species of betony in the mint family, Lamiaceae. It is native to the United States, where its true native range is probably limited to Florida, but today it is known throughout the Southeast as an introduced species and common weed. It occurs as far west as Texas, and it has been recorded in California. Its common names include Florida betony, Florida hedgenettle, and rattlesnake weed. It has been called wild artichoke, but it is not closely related to artichoke. The plant was the Florida Department of Agriculture's "Weed of the Month" for February 2010.
Alyssum montanum is a species of flowering plant belonging to the family Brassicaceae. It is an evergreen, prostrate perennial with small, hairy, greyish leaves. It typically grows to 10-15 centimeters tall and 30-45 centimeters across. It produces tiny, yellow, fragrant flowers from May to July. These flowers are typically 4-6 centimeters across and borne in dense racemes.
