Field thistle species of cirsium. Medical search. Frequent questions

Sadly, Cirsium discolor has been targeted for eradication largely due to the invasive behavior of its non-native cousins, the European Bull Thistle ( Cirsium vulgare ) and Canada Thistle ( Cirsium arvense ) which, despite the name, is not native to North America. (floydnativeplants.org)
Canada thistle * Cirsium arvense. (naaiatelier-elena.nl)
It … Here is the Canada Thistle, Cirsium arvense, a herbaceous plant that is very thorny and is considered a Noxious Weed. (naaiatelier-elena.nl)
Canada thistle Cirsium arvense (L.) Scop. (naaiatelier-elena.nl)
These are the Canada thistle ( Cirsium arvense ), Musk thistle ( Carduus nutans ), plumeless thistle ( Carduus acanthoides ) and Scotch thistle ( Onopordum acanthium ). (uwagnews.com)
Cirsium arvense var. (itis.gov)
All images used to develop and test the detection procedure were from fields infested with Cirsium arvense and in consequence, the procedure is called Thistle Tool. (ku.dk)
Among the worst invasive species that are present at Hidden Springs wetlands are purple loosestrife ( Lythrum salicaria ), mis-named Canada thistle ( Cirsium arvense ), and reed canarygrass ( Phalaris arundinacea ). (boisefrontnature.com)
Large patches of purple-flowered Canada thistle ( Cirsium arvense ) grow at the edge of the marsh, interspersed with tall stalks of poison-hemlock ( Conium maculatum ) covered with small white flowers. (boisefrontnature.com)
Canadian thistle ( Cirsium arvense ) is a common perennial weed in Western Oregon that persists in pastureland unless it's sprayed. (oldbluenaturalresources.com)

This species is of similar size, height, and appearance to the Bull Thistle, but it is less spiny, has whitish leaf undersides, and, unlike Bull Thistle, often has quite pale flowers. (wikipedia.org)
Bull thistle is a biennial thistle native to Europe. (naaiatelier-elena.nl)
The very prickly Bull Thistle ( Cirsium vulgare) can be found along roads, and in fields and disturbed areas such as logging slashes. (blogspot.com)
Bull Thistle is an invasive species introduced from Euroasia. (blogspot.com)
Bull Thistle is a member of the Aster Family. (blogspot.com)
The Bull Thistle is sometimes misidentified as the Canada Thistle . (blogspot.com)
Bull Thistle is a biennial plant in the Asteraceae (daisy) family that is native to Europe to Siberia, and the Arabian Peninsula. (ncsu.edu)
Populations of bull thistle tend to be short lived, establishing after disturbance, dominating for a few years, and then declining as other vegetation recovers. (ncsu.edu)
Bull thistle prefers sunny, open areas. (ncsu.edu)
Bull thistle (Cirsium vulgare) is easy to identify by the bushy appearance with deeply double toothed leaf margins and very prominent hard spines. (msucares.com)
Bull thistle tends to flower later than other thistles from June to September. (msucares.com)
Although bull thistle seeds can germinate easily, seeding survival is very low. (msucares.com)
Bull Thistle is a spiny and common purple wildflower in Vermont. (birdwatchinghq.com)

Blessed thistle (Cirsium vulgare) is an annual thistle that can grow up to 2 feet. (msucares.com)
Cirsium vulgare (Savi) Ten. (intermountainbiota.org)

Musk thistle (Carduus nutans) is also known as nodding thistle and it is probably one of the most common biennial this- tles found in southern pastures. (msucares.com)
Carduus vulgaris Savi, Cirsium lanceolatum (L.) Scop. (intermountainbiota.org)

Cirsium discolor, the field thistle, is a North American species of plants in the tribe Cardueae within the family Asteraceae. (wikipedia.org)
Thistles belong to the sunflower family ( Asteraceae ), with gray or green foliage and flowering heads that range from pale white and lavender to reddish purple and violet. (uwagnews.com)
Canada Thistle is an upright herbaceous perennial weed in the Asteraceae (daisy) family. (ncsu.edu)

Field thistle is a biennial or perennial herb up to 200 cm (78.5 in) tall, producing a large taproot. (wikipedia.org)
Most thistle species that grow in the High Plains have a biennial growth cycle. (uwagnews.com)
Using a shovel or hoe to chop out isolated plants before they set seed is an effective control method for biennial species. (uwagnews.com)
There is a diversity of thistles that exist in pastures (Fig. 1) and they can be classified as a biennial and perennial species and can have a wide range of adaptation in the area (Fig. 2). (msucares.com)
Most biennial thistles dominate overgrazed areas, and they germinate in the summer and fall. (msucares.com)
These biennial thistles will only reproduce by seed and depending on species, they can produce large seed heads from May to October with seed numbers of 8,000 to 120,000 seeds per plant and they can be easily transported by wind. (msucares.com)
Perennial thistles are more difficult to control than biennial because they can reproduce by root or seed. (msucares.com)
This species is biennial. (intermountainbiota.org)

Creeping thistle is a herbaceous perennial plant growing up to 150 cm, forming extensive clonal colonies from thickened roots that send up numerous erect shoots during the growing season. (naaiatelier-elena.nl)
Canada thistle is a rhizomatous, perennial, herbaceous plant. (naaiatelier-elena.nl)
A few notable species, including the invasive Canada thistle and the native Wyoming thistle, follow a perennial growth cycle, with mature plants growing back each year from the same root base. (uwagnews.com)
This is the time of the year when we might start seeing thistles starting to grow in your annual and perennial pastures. (msucares.com)
Mingan thistle is a perennial that flowers only once and then dies. (espacepourlavie.ca)
Look for this fragrant clump-forming perennial with beautiful lilac-purple wildflowers in dry areas of fields, prairies, and along roads in Vermont. (birdwatchinghq.com)
Yellow Toadflax (Linaria vulgaris), also known as common toadflax, is an herbaceous perennial known for its colony forming properties.This invasive species uses creeping roots to rapidly take over road sides, pastures, and … It is a very hardy, self seeding, pretty plant. (mappyoakley.com)

Many of these are native to the state, such as several species of bumblebees ( in the Bombus genus ) and the large carpenter bee ( Xylocopa virginica ). (beeswiki.com)

The Plant List, Cirsium discolor (Muhl. (wikipedia.org)
Cirsium discolor (Muhl. (wikipedia.org)
Flora of North America, Field thistle, chardon discolore, Cirsium discolor (Muhlenberg ex Willdenow) Sprengel Dr. John Hilty. (wikipedia.org)
Cirsium discolor (Field Thistle) , together with Cirsium muticum (Swamp Thistle), is Floyd County's native thistle, and a staple of any butterfly garden. (floydnativeplants.org)
Cirsium discolor can be grown in most any sunny mesic cultivated garden, though it is a widely adapted pioneer species able to scrape out a living in many disturbed or subxeric habitats. (floydnativeplants.org)
As a result, if you decide you don't want to continue growing Cirsium discolor , cut the flowers before they go to seed or remove the seedheads before they are dispersed. (floydnativeplants.org)
Cirsium discolor can be distinguished from non-native thistles by the white woolly undersides of the leaves which none of the non-native thistles have and all North America's native thistles do have. (floydnativeplants.org)
Monarch butterfly on Cirsium discolor flower. (floydnativeplants.org)
Cirsium discolor at edge of redcedar thicket. (floydnativeplants.org)
Cirsium discolor is noted of Special Value to Native Bees by the Xerces Society ( Wildflower.org ), as a keystone species for 15 species of native bees by Dr. Doug Tallamy, and as a provider of nesting habitat for some native bees including leaf miner bees which nest in the hollow stems ( Xerces , 2017). (floydnativeplants.org)
Photo of a Field Thistle, also known as the species Cirsium discolor. (myworldofphotos.com)
Cirsium discolor," Wikipedia, the free encyclopedia. (mccarthynatureimages.com)

Canada thistle (Creeping thistle, California thistle, Cursed thistle) is a shiny green, spiny thistle native to Europe, Western Asia, and Northern Africa. (cloudwaysapps.com)
Canada thistle is a shiny green, spiny plant that can grow from 0.3-2.0 m tall. (cloudwaysapps.com)
Suspected thifensulfuron resistant spiny annual sow-thistle was identified near Colfax, Washington, in two fields with a winter wheat and lentil rotation. (weedscience.org)
Therefore, studies were conducted to examine resistance of spiny annual sow-thistle to thifensulfuron and cross-resistance to other acetolactate synthase inhibitors and to determine the physiological and molecular basis for herbicide resistance. (weedscience.org)

Musk thistles, for example, are damaged by the feeding activity of the musk thistle rosette weevil. (uwagnews.com)
It targets specific weed problems like Canada thistle, musk thistle, and giant ragweed. (storycountyiowa.gov)

Cirsium setosum (Willd. (itis.gov)

Canada thistle is a designated noxious weed under the Nebraska Department of Agriculture's Noxious Weed Program. (naaiatelier-elena.nl)
It's considered a noxious weed because it can spread easily in fields, keeping stock from grazing, and can contaminate hay. (blogspot.com)
Canada thistle is designated as a Provincial Noxious Weed by the BC Weed Control Act. (cloudwaysapps.com)
However, this species is considered a noxious weed in many areas of the United States. (ncsu.edu)

These biological control measures will not completely manage / control Canada thistle alone, but are an IMP tool and help suppress growth. (naaiatelier-elena.nl)

Each thistle plant can produce 1,000 up to 1,500 seeds per shoot. (naaiatelier-elena.nl)
These species also reproduce from seeds. (uwagnews.com)
One challenge of managing noxious thistles is their ability to produce large quantities of highly mobile seeds. (uwagnews.com)
Individual thistle seeds have a plume of hairs, called a pappus, which allows the wind to disperse them over large distances. (uwagnews.com)
Seeds are heavier than other thistle species and are not easily transported by wind. (msucares.com)
Suggestions included clearing debris away from the plants after storms, planting seeds, seeking new suitable areas for the species, and producing plants and seeds outside the park. (espacepourlavie.ca)
The seeds of this thistle are the preferred menu item for the American Goldfinch. (birdwatchinghq.com)
Canada thistle spreads through both seeds and budding from underground roots. (ncsu.edu)
The common name Creeping thistle comes from its tendency to spread by lateral root growth, or its seeds are wind dispersed allowing it to rapidly form dense stands that can shade out native plants. (ncsu.edu)

The combination of that plus the densely hairy, but not prickly, stem and leaf shape differentiates it from other thistles when flowers aren't present. (minnesotawildflowers.info)

Common thistle species found in pastures in the southern USA. (msucares.com)

Most thistles produce a large quantity of nectar and pollen. (wikipedia.org)
Native thistles attract many butterflies (including the monarch butterfly) with their copious nectar. (floydnativeplants.org)

Cirsium lanceolatum var. (intermountainbiota.org)

The standard English name in its native area is creeping thistle. (naaiatelier-elena.nl)

Imperiled Pollinator Profiles 3-2 plants for butterflies) where appropriate, roadsides also provide an ideal opportunity to increase habitat connectivity for many species, including pollinators. (nationalacademies.org)
Many of Wyoming's native thistles provide key habitat for pollinators and winter food for songbirds. (uwagnews.com)
Thistles are a great option in your meadow garden or naturalized area when looking for a plant to attract pollinators and seed-eating birds. (ncsu.edu)
Pollinators are the animal species that facilitate the transfer of pollen. (pollinator.org)
This includes more than 180,000 different plant species and over 1,200 crops, making pollinators an essential part of the health of plants, people, and the planet! (pollinator.org)
Pollinators of many different species help improve biodiversity by facilitating the reproduction of native and diverse plant species that, in turn, provide food and shelter for many birds, mammals, and insects. (pollinator.org)

Like most other thistles, it is a food plant for the caterpillars of the Painted Lady butterfly. (wikipedia.org)
The actions required with regard to any plant species depend on the category in which the plant appears in Table 3 of the amended regulations, and might differ from province to province. (agric.za)
Plant species were included in this list for one or more of the following reasons: they might pose a serious health risk to humans or livestock, cause serious financial losses to land users, be able to invade undisturbed environments and transform or degrade natural plant communities, use more water than the plant communities they replace or be particularly difficult to control. (agric.za)
Unlike the many native thistles found in Oregon, Canada thistle can quickly overrun an area and displace native plants, reduce agricultural yield, and create problems for … Once Canada thistle has invaded, it is very important to maintain soil fertility and moisture at optimum levels to favor crop or pasture plant establishment and growth. (naaiatelier-elena.nl)
However, I did find and photograph a Hill's Thistle plant and you are correct that when you come upon them, they are a spectacular sight! (minnesotawildflowers.info)
For info on subjects other than plant identification (gardening, invasive species control, edible plants, etc.), please check the links and invasive species pages for additional resources. (minnesotawildflowers.info)
Solitary species will nest in cavities in plant stems and wood (often in tunnels made by other insects such as beetles). (ncsu.edu)
Family Apidae - includes small carpenter bees (six species in North Carolina) which nest in stems with a soft, pithy center where they can hollow out the stem and use the excavated plant material to build their nest. (ncsu.edu)
The detection procedure exclusively used colour analysis and discriminated green and senescent vegetation without the ability to discriminate between green plant species. (ku.dk)
This flatwoods ecosystem harbors relict populations of several plant species that are typical of more northern latitudes. (iu.edu)
Because of this, the distinction between "native" and "non-native" becomes increasingly problematic for many species, if not outright arbitrary in some cases (does the plant care if it arrived via waterfowl or human agency? (boisefrontnature.com)
While there's plenty of grass for cows in the field, there's also a lot of broadleaf plant diversity. (oldbluenaturalresources.com)
Actual weeding practice in any crop is also likely to depend on crop factors (such as position in rotation, plant spacing, and architecture), field factors (like soil type, weed seed bank history), as well as seasonal factors (like rainfall). (gardenorganic.org.uk)
After many hours of research and consulting reference photos and species descriptions, I created sketches of each pollinator and plant. (pollinator.org)
One reason why deserts are such severely eroded landscapes is that they lack trees, shrubs, and other plant species to hold their soils in place. (pollinator.org)
The Terrestrial Plant Rule ( 312 IAC 18-3-25 ) designates 44 species of plants as invasive pests. (in.gov)
Plant species already in trade will be prohibited from sale one year later (April 18, 2020). (in.gov)

In North Carolina, we have about 560 species of native bees, most of them solitary. (ncsu.edu)
Family Megachilidae - includes mason bees (22 species in North Carolina), leafcutting bees (37 species in North Carolina, but some nest in cavities or soil), resin bees (10 species in North Carolina), wool carder bees (three species in North Carolina, two of which are introduced). (ncsu.edu)
This family also includes 23 species of cuckoo bees which are kleptoparasites, laying their eggs in other bees' nests! (ncsu.edu)
Family Colletidae - includes yellow-faced bees (13 species in North Carolina) and also cellophane bees (25 species in North Carolina) which nest in the ground. (ncsu.edu)
Other species sold in the state include Carniolan honey bees ( Apis mellifera carnica ) and Russian honey bees. (beeswiki.com)
Over 400 species of bees are present in Maryland. (beeswiki.com)

It's likely one of the first invasive species introduced to North America and received its name by early settlers blaming its emergence on French traders from Canada. (cloudwaysapps.com)

There's a good reason Canada thistle has a reputation as a highly invasive, aggressive spreader. (naaiatelier-elena.nl)
Download the Invasive Species Council of BC's Factsheet for Canada Thistle here. (naaiatelier-elena.nl)
The introduced Canada thistle, Matt pointed out, can choke out all sorts of native vegetation as well as native thistles. (naaiatelier-elena.nl)
Currently several weevils and a gall fly have been released to target Canada thistle. (naaiatelier-elena.nl)
Invasive Species, 2270 Old Penitentiary Road, Boise, ID, 83712, United States It is a non-native invasive species from Europe, and landowners with Canada thistle on their property are obligated to take measures to control it. (naaiatelier-elena.nl)
Biological control of Canada thistle has been attempted with the Canada thistle gall fly and a stem-mining weevil, but with limited success. (uwagnews.com)
More recently, rust fungus control of Canada thistle has yielded promising results when inoculum is applied during the rosette stage. (uwagnews.com)
Canada thistle is commonly found growing on roadsides, cultivated fields, pastures, logged forests, riverbanks, and other disturbed areas where it also out-grows native species. (cloudwaysapps.com)
Canada thistle has male and female flowers on separate plants, but the flowers look similar to each other. (ncsu.edu)
Canada thistle should not be introduced into the garden. (ncsu.edu)
Canada thistles extensive and aggressive root and shoot system coupled with its prolific seed production make it very difficult to manage. (ncsu.edu)

The leaves of Field Thistle are deeply pinnatifid, compared to the shallowly lobed leaves of Tall Thistle . (marylandbiodiversity.com)

Like many prairie species, populations across its range have declined due to habitat loss primarily from agriculture and commercial development. (minnesotawildflowers.info)
In the Mingan archipelago, this species is found where the forest meets the shore, a habitat highly influenced by the sea. (espacepourlavie.ca)
Biodiversity is the amount of different species in a given environment or habitat. (pollinator.org)
Note, species lists are not typically an exhaustive presence/absence survey of an area and often may focus on a single habitat or only contain species visible at a particular time of year (for example, spring annual herbs may go unobserved during much of the year). (nzpcn.org.nz)

Across the state of Virginia, it can be found in "floodplain forests, mesic to dry upland forests and woodlands, clearings, old fields, meadows, and roadsides" ( Digital Atlas of the Virginia Flora ). (floydnativeplants.org)
Frequent throughout Maryland in fields and along stream banks and roadsides (J. Hill/MNPS). (marylandbiodiversity.com)
It is often found along the edges of salt marshes, meadows, fields, shores, savannahs, roadsides, and it can invade almost any type of disturbed area where it forms dense thickets that crowd out native plants. (ncsu.edu)
It formerly was common in pastures and clearings, and frequent along roadsides and in fields, open woodland, and waste places. (intermountainbiota.org)

Thistle stem gall fly larvae (Urophora cardui) attack the primary lateral stems. (naaiatelier-elena.nl)

Field bindweed or wild morning-glory ( Convolvulus arvensis ) sprawls along the edge of the path, some plants with lovely pink flowers instead of the usual white. (boisefrontnature.com)

Thistle heads are surrounded by spines and sport bright pink to purple flowers. (blogspot.com)
Few animals will eat these plants due to the daunting spines and so without any enemies to keep them in check Bull Thistles can overrun a field in just a few years. (foragingtexas.com)

Invasive thistles can decrease crop yields and reduce forage. (naaiatelier-elena.nl)

The state of Wyoming has designated four non-native thistles as noxious weeds. (uwagnews.com)
Thistle tool, however, may also detect other green weeds and may also be useful in post-harvest stubble. (ku.dk)
Historically invasive species have always been a problem in the roadside, but the county Weed Commissioner oversees the control of noxious weeds on all public and private property.Controlling noxious weeds is an important aspect of responsible land management. (storycountyiowa.gov)
Many species of flowering plants that some consider weeds are beneficial weeds. (leafyplace.com)

Most species lists are not corroborated with herbarium specimens. (nzpcn.org.nz)

Hill's Thistle often goes by Latin name Cirsium hillii but it is now treated as a variety of Cirsium pumilum (Pasture Thistle), var. (minnesotawildflowers.info)

These insects develop in the immature rosette of the thistles and stunt their growth. (uwagnews.com)

A bane to many landowners, Bull Thistles stand tall and spikely menacing across Texas fields. (foragingtexas.com)

This species is reported from states shaded on Plants Database map and invasive in AZ, ID, UT, and WA. (mappyoakley.com)

Field Thistle in autumn taken near Scotland, Arkansas, U.S. Photo by Jimmie R Johnson , CC BY-SA 3.0 , via Wikimedia Commons. (floydnativeplants.org)

It is used as a component of some North American prairie and wildflower meadow restoration mixes that focus on the use of native species. (wikipedia.org)

Males have a marked preference for field scabious flowers. (bwars.com)
I have quite a few of these along with other wild flower species.it's a good year for wild flowers with the moisture we've had. (minnesotawildflowers.info)
Its flowers are typically smaller than other thistle species. (cloudwaysapps.com)
When the very first flowers appear cut down the thistle as close to the ground as possible and cut off the leaves, discarding them. (foragingtexas.com)
The leaves are poky like other thistles and it has purple pink flowers that appear in the summer. (ncsu.edu)

Native species provide ecosystem benefits and are not a risk for outcompeting other plants in their community. (uwagnews.com)
from preparing your land for native species to advice on species selection. (storycountyiowa.gov)
The federal and state definitions for "invasive species" are broad, non-regulatory terms that describe any non-native species that causes or could cause harm to agriculture, natural resources, economy, or human health. (mappyoakley.com)

Chemical control of invasive thistles using herbicides that kill on contact is an option when the strategies described above are not suitable. (uwagnews.com)

It can be distinguished from other thistles by its smooth spine-less stem. (cloudwaysapps.com)

They can overwinter as a rosette while resuming their vegetative growth in the spring, bolt (the stage is when the thistle forms a stalk and prepares to flower), and flower. (msucares.com)

Native plants resist the spread of invasive species. (storycountyiowa.gov)

Organisms2

Chemicals and Drugs1

Arvense10

Bull Thistle13

Vulgare2

Carduus2

Asteraceae3

Biennial8

Perennial7

Genus1

Discolor12

Spiny4

Musk2

Willd1

Noxious Weed4

Control Canada thistle1

Seeds9

Prickly1

Common Thistle1

Nectar2

Lanceolatum1

Creeping1

Pollinators6

Plant17

Bees6

North America1

Canada11

Deeply pinnatifid1

Habitat4

Roadsides4

Gall fly1

Convolvulus1

Spines2

Crop yields1

Weeds4

Herbarium1

Pasture1

Insects1

Landowners1

PLANTS Database1

Wikimedia Commons1

Prairie1

Flowers5

Native species3

Herbicides1

Stem1

Rosette1

Spread of invasive species1