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Senecio spartioides is a species of flowering plant in the aster family known by the common name broom-like ragwort. [1] It is native to the western United States as far east as the Dakotas, Texas, and northern Mexico. It can be found in dry, rocky, often disturbed areas in various habitat types.
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.
Packera dubia, synonym Packera tomentosa, is a species of flowering plant in the composite family. [1] It is known by the common name woolly ragwort.It is native to the Southeastern United States, primarily to the coastal plain but extending into some areas inland. [2]
The only species which are trees are the species formerly belonging to Robinsonia ... Senecio ampullaceus — Texas ragwort, Texas squaw-weed, Texas groundsel ...
Packera anonyma, called Appalachian ragwort and Small's ragwort, is a flowering plant in the Asteraceae (aster family). [1] [2] [3] Distribution and habitat.
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 ...
Packera fendleri is a species of flowering plant in the family Asteraceae known by the common name Fendler's ragwort. It is native to the southern Rocky Mountains , and is found in the states of Colorado , Wyoming and New Mexico , where it is a common plant that occurs in a variety of habitats. [ 1 ]
Known as flagstaff ragwort, it is a perennial herb native to Arizona, New Mexico, and part of northern Mexico. [ 2 ] [ 3 ] It is an arid land plant, sending up solitary flowering heads on long stalks above a perennial basal mat in ponderosa pine forests.