Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe, Western Asia, and northwestern Africa. It is also naturalised in North America, Africa, and Australia and is an invasive weed in some areas. It is the national flower of Scotland.
Echinops is a genus of about 120 species of flowering plants in the daisy family Asteraceae, commonly known as globe thistles. They have spiny foliage and produce blue or white spherical flower heads. They are native to Europe, east to central Asia, and south to the mountains of tropical Africa. Globe thistle is the host plant of weevil Larinus vulpes.
Russian thistle is a common name that can refer to:
Lycopus is a genus in the family Lamiaceae. They are all herbaceous plants native to Europe, Asia, Australia, and North America. The species are most often found in wetlands, damp meadows, and stream banks. Some of the wetland species have become endangered.
Salsola is a genus of the subfamily Salsoloideae in the family Amaranthaceae. The genus sensu stricto is distributed in central and southwestern Asia, North Africa, and the Mediterranean. A common name of various members of this genus and related genera is saltwort, for their salt tolerance. The genus name Salsola is from the Latin salsus, meaning "salty".
Cirsium neomexicanum is a North American species of thistle known by the common names New Mexico thistle, powderpuff thistle, lavender thistle, foss thistle and desert thistle.
Echinops sphaerocephalus, known by the common names glandular globe-thistle, great globe-thistle or pale globe-thistle, is a Eurasian species of globe-thistle belonging to the thistle tribe within the sunflower family.
Echinops ritro, the southern globethistle, is a species of flowering plant in the sunflower family, native to southern and eastern Europe, and western Asia. The species is sparingly naturalized in scattered locations in Canada and the United States.
Cirsium ochrocentrum is a species of thistle known by the common name yellowspine thistle. It is native to the Great Plains of the Central United States and to the desert regions of the western United States and northern Mexico. Its range extends from eastern Oregon east to the Black Hills of South Dakota, south as far as the Mexican State of Durango.
Sonchus tenerrimus is a species of flowering plant in the aster family known by the common name slender sowthistle. It is native to the Mediterranean region of southern Europe, northern Africa, and the Middle East. It has been found as well in several other locations around the world, historically in association with ship ballast in coastal regions. It has become naturalized in a few places, such as California in the United States and Baja California in Mexico.
Echinops echinatus, the Indian globe thistle, commonly known as Usnakantaka, is a species of globe thistle, found in India, Pakistan, and Sri Lanka. Indian Globe Thistle is an erect branched herb about 100 cm high. It has short, stout stems, branching from the base, covered with white cottony hair. Alternately arranged oblong, deeply pinnatifid leaves are 7–12 cm long. Flower heads occur in solitary white spherical balls, 3–5 cm across. Petals of the tiny white disc florets are 5 mm long. Flowers are surrounded by straight, strong, white bristles. Often misidentified with Silybum marianum (L.) Gaertner, it is colloquially known as Camel's thistle.
Cirsium altissimum is a North American species of plants in the thistle tribe within the sunflower family. Common name is tall thistle or roadside thistle. The species is native to the eastern and Central United States, with a range extending from Massachusetts west to North Dakota and south to Texas and the Florida Panhandle.
Cirsium carolinianum is a North American species of plants in the thistle tribe within the sunflower family. Common name is Carolina thistle or purple thistle or soft thistle or smallhead thistle. The species is native to the central and southern United States, from eastern Texas east to Virginia and the Carolinas, north to the Ohio Valley.
Cirsium helenioides, the melancholy thistle, is an Asian and Arctic species of plants in the thistle tribe within the sunflower family. The species is native to Greenland, Iceland, Norway, Sweden, Finland, Russia, Xinjiang, Kazakhstan.
Cirsium kamtschaticum, the Kamchatka thistle, is an Alaskan and East Asian species of plants in the thistle tribe within the sunflower family. The species is found in eastern Russia, and on certain islands of the North Pacific: the Aleutian Islands of Alaska and Hokkaido Island in northern Japan.
Cirsium nuttallii, called Nuttall's thistle, is a North American species of plants in the thistle tribe within the sunflower family. The species is native to the coastal plain of the southeastern and south-central United States, from eastern Texas to southeastern Virginia.
Cirsium pulcherrimum, the Wyoming thistle , is a North American species of plants in the thistle tribe within the sunflower family. The species is native to the western United States, primarily in the state of Wyoming but also in surrounding areas.
Cirsium repandum is a North American species of plants in the thistle tribe within the sunflower family. Common names include sand-hill thistle and coastal-plain thistle. The species is native to the south-eastern United States, the coastal plain in Virginia, Georgia, and the Carolinas.
Cirsium texanum is a North American species of plants in the thistle tribe within the sunflower family. Common names include Texas thistle, Texas purple thistle or southern thistle. The species is native to northern Mexico and the southern Great Plains of the south-central United States.
Echinops spinosissimus is a European species of plants in the thistle tribe within the sunflower family. It is native to southeastern Europe, northern Africa, and southwest Asia as far east as Iran.
