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It spreads through the seeds contaminating crop seeds, and sticking to clothing. It is classified as an "injurious weed" under the UK Weeds Act 1959. [8] In the United States, it is classified as a noxious weed in the states of Arkansas and Iowa. [9] It is often seen in disturbed soils at the edges of roadsides, railway beds, and car parks.
The federal government defines noxious weeds under the Federal Noxious Weed Act of 1974. Noxious weeds are also defined by the state governments in the United States. [31] Noxious weeds came to the U.S. by way of colonization. [32] Some wildflowers are lesser known noxious weeds. A few of them are banned in certain states. [33]
Noxious weeds can be deadly for humans, animals and other plants in your garden. Here’s how to identify a plants before you get hurt. Noxious weeds can be deadly for humans, animals and other ...
Dew-covered common groundsel flower in New Jersey. Senecio vulgaris is an erect herbaceous annual growing up to 16 inches (41 cm) tall. [3]: 764 The inflorescences usually lack ray florets, the yellow disc florets mostly hidden by the bracts giving the flowers an inconspicuous appearance.
G. aparine is often found in post-fire plant communities in the United States, likely developing from onsite seed and therefore rendering controlled burns as an ineffective means of removing G. aparine in areas where it is considered a noxious weed. [23] Geese frequently consume the plant, hence the common names "goosegrass". [24]
This category contains the native flora of Iowa as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic. Include taxa here that are endemic or have restricted distributions (e.g. only a few countries).
In some countries it is an invasive species and regarded as a noxious weed. In the UK, where it is native, it is often unwanted because of its toxic effect for cattle and horses , but it is also valued for its nectar production which feeds insect pollinators and its ecological importance is thus considered significant.
This species is well known as a noxious weed, both in its native range and in areas where it is an introduced and often invasive species. [7] [8] [9] It is naturalized in some areas, and it is recorded as an adventive species in others. [3] It grows in many types of disturbed habitat, such as roadsides, and in cultivated fields.