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Ragwort is a food plant for the larvae of Cochylis atricapitana, Phycitodes maritima, and Phycitodes saxicolais. Ragwort is best known as the food of caterpillars of the cinnabar moth Tyria jacobaeae. They absorb alkaloids from the plant and become distasteful to predators, a fact advertised by the black and yellow warning colours.
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 .
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.
Packera is a genus of about 75 species of plants in the daisy family, Asteraceae. [1] Most species are commonly called ragworts or grounsels. Its members were previously included in the genus Senecio (where they were called aureoid senecios by Asa Gray), but were moved to a different genus based on chromosome numbers, a variety of morphological characters, and molecular phylogenetic evidence.
Senecio inaequidens — South African ragwort; Senecio iscoensis — Hieron. Senecio keniophytum; Senecio lamarckianus; Senecio leucanthemifolius Poir. — coastal ragwort; Senecio madagascariensis — Madagascar ragwort; Senecio macroglossus — Natal ivy, wax ivy; Senecio neowbsteri Olympic Mountain groundsel; Senecio patagonicus; Senecio ...
Senecio cambrensis, Welsh ragwort; Senecio squalidus, Oxford ragwort; Senecio viscosus, sticky ragwort; Certain members of the genus Jacobaea (a segregate of Senecio): Jacobaea vulgaris, (common) ragwort or, only in the USA tansy ragwort, a very common wild flower in Europe, widely naturalised elsewhere; Jacobaea aquatica, water ragwort, marsh ...
Senecio inaequidens, known as narrow-leaved ragwort [4] and South African ragwort, [5] is a species of flowering plant in the daisy family Asteraceae. Description
Senecio ampullaceus, also known as Texas ragwort, [1] Texas squaw-weed, Texas groundsel, [3] and Texas butterweed, [4] is a species of Senecio in the family Asteraceae, receiving its Latin name ampullaceus from its flask shaped flower-head. [5] It is recommended for landscape use in its native Texas. [6]