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In the United Kingdom, common ragwort (Senecio jacobaea) is one of the five plants named as an injurious weed under the provisions of the Weeds Act 1959. The word injurious in this context indicates that it could be harmful to agriculture, not that it is dangerous to animals, as all the other injurious weeds listed are non-toxic.
Packera aurea (formerly Senecio aureus), commonly known as golden ragwort or simply ragwort, is a perennial flower in the family Asteraceae.. It is also known as golden groundsel, squaw weed, life root, golden Senecio, uncum, uncum root, waw weed, false valerian, cough weed, female regulator, cocash weed, ragweed, staggerwort, and St. James wort.
Senecio flaccidus, formerly recorded as Senecio douglasii (in honor of the botanist David Douglas), member of the daisy family and genus Senecio also known as threadleaf ragwort [3] (and threadleaf groundsel, bush senecio, creek senecio, shrubby butterweed, comb butterweed, smooth threadleaf ragwort, Mono ragwort, Douglas ragwort, Douglas groundsel, sand wash groundsel, felty groundsel, old ...
Senecio squalidus, known as Oxford ragwort, [6] is a flowering plant in the daisy family Asteraceae. It is a yellow-flowered herbaceous plant, native to mountainous, rocky or volcanic areas, that has managed to find other homes on man-made and natural piles of rocks, war-ruined neighborhoods and dry-stone walls .
Stinkwort – Various plants including Helleborus foetidus, the stinking hellebore; Dittrichia graveolens and Inula graveolens; and Datura stramonium, jimson weed. Stitchwort - Any of several plants of the genus Stellaria. Stichwort. St. James' Wort - Senecio jacobaea or Senecio aureus, two species of ragwort.
Senecio ampullaceus — Texas ragwort, Texas squaw-weed, Texas groundsel, clasping-leaf groundsel [10] ... Senecio leucanthemifolius Poir. — coastal ragwort;
It is variously known as the woodland ragwort, [1] heath groundsel, [2] or mountain common groundsel. [3] It is native to Eurasia , and it can be found in other places, including western and eastern sections of North America, as an introduced species and an occasional roadside weed.
Senecio madagascariensis, also known as Madagascar ragwort, [3] is a species of the genus Senecio and family Asteraceae that is native to Southern Africa. Other common names include Madagascar groundsel and fireweed. [3] It has been included on the noxious weeds list for Hawaii [4] and the reject list for Australia. [5]