Species Search
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Thistles and Allies
(Subfamily Carduoideae)
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Carduoideae is the thistle subfamily of the Asteraceae, or sunflower family, of flowering plants. It comprises a number of tribes in various circumscriptions of the family, in addition to the Cynareae.
(Wikipedia)
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Plume Thistles
(Genus Cirsium)
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Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera (Carduus, Silybum and Onopordum) in having feathered hairs to their achenes. The other genera have a pappus of simple unbranched hairs.
(Wikipedia)
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Knapweeds
(Genus Centaurea)
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Centaurea (/ˌsɛntɔːˈriːə/) is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich. Common names for this genus are centaury, centory, starthistles, knapweeds, centaureas and the more ambiguous "bluets"; a vernacular name used
(Wikipedia)
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Sow Thistles
(Genus Sonchus)
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Sonchus is a genus of flowering plants in the dandelion tribe within the sunflower family.
(Wikipedia)
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Painted Lady
(Vanessa cardui)
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Vanessa cardui is a well-known colorful butterfly, known as the painted lady, or in North America as the cosmopolitan. This butterfly has a strange habit of flying in a sort of screw shape.
(Wikipedia)
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Bull Thistle
(Cirsium vulgare)
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Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). 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.
(Wikipedia)
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Creeping Thistle
(Cirsium arvense)
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Cirsium arvense is a perennial species of flowering plant in the family Asteraceae, native throughout Europe and northern Asia, and widely introduced elsewhere. The standard English name in its native area is creeping thistle.
(Wikipedia)
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Plumeless Thistles
(Genus Carduus)
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Carduus is a genus of flowering plants in the aster family, Asteraceae, and the tribe Cynareae, one of two genera considered to be true thistles, the other being Cirsium. Plants of the genus are known commonly as plumeless thistles. They are native to Eurasia and Africa, and several are known elsewhere as introduced species. This genus is noted for its disproportionately high number of noxious weeds compared to other flowering plant genera.
(Wikipedia)
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Common Sow-Thistle
(Sonchus oleraceus)
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Sonchus oleraceus, with many common names including common sowthistle, sow thistle, smooth sow thistle, annual sow thistle, hare's colwort, hare's thistle, milky tassel, milk thistle, soft thistle, or swinies, is a plant in the dandelion tribe within the daisy family.
(Wikipedia)
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Prickly Sowthistle
(Sonchus asper)
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Sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread plant in the dandelion tribe within the daisy family.
(Wikipedia)
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Russian Thistles
(Genus Salsola)
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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".
(Wikipedia)
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Perennial Sow Thistle
(Sonchus arvensis)
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Sonchus arvensis, the field milk thistle, field sowthistle, perennial sow-thistle, corn sow thistle, dindle, gutweed, swine thistle, or tree sow thistle, is a species of flowering plant in the daisy family Asteraceae. S. arvensis often occurs in annual crops in the northern parts of Europe and may cause substantial yield losses.
(Wikipedia)
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Milk Thistle
(Silybum marianum)
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Silybum marianum has other common names include cardus marianus, milk thistle, blessed milkthistle, Marian thistle, Mary thistle, Saint Mary's thistle, Mediterranean milk thistle, variegated thistle and Scotch thistle. This species is an annual or biennial plant of the Asteraceae family. This fairly typical thistle has red to purple flowers and shiny pale green leaves with white veins. Originally a native of Southern Eur
(Wikipedia)
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Weather Thistles
(Genus Carlina)
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Carlina is a genus of flowering plants in the aster family, Asteraceae. It is distributed from Madeira and the Canary Islands across Europe and northern Africa to Siberia and northwestern China.
(Wikipedia)
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Globe Thistles
(Genus Echinops)
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Echinops /ˈɛkɪnɒps/ is a genus of about 120 species of flowering plants in the 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 .
(Wikipedia)
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Bristle Thistle
(Cirsium horridulum)
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Cirsium horridulum, called bristly thistle, horrid thistle, yellow thistle or bull thistle, is a North American species of plants in the thistle tribe within the sunflower family. The species is native to the eastern and southern United States from New England to Florida, Texas, and Oklahoma as well as to Mexico, Belize, Guatemala, Honduras, and the Bahamas.
(Wikipedia)
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Cotton Thistles
(Genus Onopordum)
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Onopordum, cottonthistle, is a genus of plants in the thistle tribe within the Asteraceae. They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia. They grow on disturbed land, roadsides, arable land and pastures.
(Wikipedia)
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Marsh Thistle
(Cirsium palustre)
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Cirsium palustre, the marsh thistle or European swamp thistle, is a herbaceous biennial (or often perennial) flowering plant in the daisy family Asteraceae.
(Wikipedia)
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Italian Thistle
(Carduus pycnocephalus)
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Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, is a species of thistle. It is native to: the Mediterranean region in southern Europe, North Africa, and Western Asia; East Europe and the Caucasus; and the Indian Subcontinent.
(Wikipedia)
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Broad-winged Thistle
(Carduus acanthoides)
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Carduus acanthoides, known as the spiny plumeless thistle, welted thistle, and plumeless thistle, is a biennial plant species of thistle in the Asteraceae—sunflower family. The plant is native to Europe and Asia.
(Wikipedia)
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Buffalo-Bur
(Solanum rostratum)
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Solanum rostratum is a species of nightshade (genus Solanum) that is native to the United States and northern and central Mexico. Common names include buffalobur nightshade, buffalo-bur, spiny nightshade, Colorado bur, Kansas thistle, Mexican thistle, and Texas thistle.
(Wikipedia)
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Artichoke Thistle
(Cynara cardunculus)
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The cardoon (Cynara cardunculus), also called the artichoke thistle is, like artichoke, a thistle in the sunflower family. It is a naturally occurring species that includes the globe artichoke, and has many cultivated forms. It is native to the western and central Mediterranean region, where it was domesticated in ancient times.
(Wikipedia)
