A Genus Senecio of the daisy Personal (Family Asteraceae) includes ragworts and senecio vulgaris. A flower heads come commonly rayed, all yellowness, & a heads come borne within branched bunch. Though lately the genus has been reviewed & stock split, it however contains a brobdingnagian total of metal money (all about 1,500) of highly wide form including leaf succulents, stem & tuber succulents, annuals, perennials, aquatic forms, climbers, bush & little trees. Occasionally mintage create natural pesticides (especially alkaloids) to deter or wipe out brute that would eat the children.

Species
Senecio actinella Greene -- Flagstaff ragwort Senecio amplectens Gray -- alpine senecio vulgaris, showy alpine groundsel, showy alpine ragwort Senecio ampullaceus Hook. -- Texas ragwort Senecio aphanactis Greene -- chaparral ragwort Senecio arizonicus Greene -- Arizona ragwort Senecio aronicoides DC. -- rayless ragwort Senecio astephanus Greene -- San Gabriel ragwort Senecio atratus Greene -- tall blacktip ragwort Senecio bicolor (Willd.) Todaro -- silver ragwort Senecio bigelovii Gray -- nodding ragwort Senecio blochmaniae Greene -- dune ragwort Senecio brasiliensis Senecio californicus DC. -- California ragwort Senecio cannabifolius Less. -- Aleutian ragwort Senecio cannabinifolius Hook. & Arn. -- hempleaf ragwort Senecio cineraria -- Dusty miller Senecio citriformis -- Blue Seaweed Senecio clarkianus'' Gray -- Clark's ragwort Senecio cleavelandii Greene Senecio clivorum Maxim. -- summertime ragwort Senecio congestus (R. Br.) DC. -- clustered marsh ragwort, marsh leabane Senecio crassissimus Humbert -- vertical leaf Senecio crassulus Gray -- meadow senecio vulgaris, thickleaf senecio vulgaris, thickleaf ragwort Senecio cynthiodes Greene Senecio elegans L. -- redpurple ragwort Senecio elmeri Piper -- Elmer's ragwort Senecio eremophilus Richards. -- godforsaken senecio vulgaris, desert ragwort Senecio ertterae T.M. Barkl. -- Ertter's ragwort Senecio erucifolius L. -- hoary ragwort Senecio flaccidus Less. -- Douglas senecio, threadleaf groundsel, threadleaf ragwort Senecio fremontii Torr. & Gray -- dwarf mountain ragwort, Fremont's groundsel Senecio hydrophiloides Rydb. -- tall senecio vulgaris, tall groundsel Senecio hydrophilus Nutt. -- alkali marsh senecio vulgaris, a a water system supply senecio vulgaris, water ragwort Senecio integerrimus Nutt. -- lamb-tongue ragwort, lambstongue senecio vulgaris, lambstongue ragwort Senecio jacobaea L. -- ragwort, foul willie, tansy ragwort Senecio lemmonii Gray -- Lemmon groundsel, Lemmon's ragwort Senecio lucidus (Sw.) DC. Senecio lugens Richards. -- little blacktip ragwort Senecio lyonii Gray -- island senecio Senecio madagascariensis Poir. -- fireweed, Madagascar senecio vulgaris, Madagascar ragwort Senecio megacephalus Nutt. -- bumpy ragwort Senecio millefolius Torrey and Gray Senecio mohavensis Gray -- Mohave groundsel, Mojave ragwort Senecio moresbiensis (Calder & Taylor) G.W. Douglas & G. Ruyle-Douglas -- cleftleaf ragwort *Senecio multidentatus Schultz-Bip. antique Hemsl. -- Huachuca Mountain ragwort Senecio musiniensis Welsh -- Musinea ragwort Senecio neowebsteri Blake -- Olympic Mountain ragwort Senecio newcombei Greene -- Newcombe's ragwort Senecio parryi Gray -- mountain ragwort, Parry groundsel Senecio pattersonensis Hoover -- Mono senecio vulgaris, Patterson's senecio Senecio pseudo-arnica Less. Senecio pseudoarnica Less. -- seaside ragwort Senecio pudicus Greene -- bashful ragwort Senecio rapifolius Nutt. -- openwoods ragwort Senecio riddellii Torr. & Gray -- Riddell groundsel, Riddell's ragwort, Sand groundsel Senecio rowleyanus -- String of pearls Senecio rupestris Waldst. & Kit. -- rock ragwort Senecio sacramentanus Woot. & Standl. -- Sacramento ragwort Senecio schweinitizianus Nuttall Senecio scorzonella Greene -- Sierra groundsel, Sierra ragwort Senecio serra Hook. -- butterweed, butterweed senecio vulgaris, tall ragwort Senecio sheldonensis Porsild -- Mt. Sheldon ragwort Senecio silignus De Candolle Senecio soldanella Gray -- Colorado ragwort Senecio spartioides Torr. & Gray -- broom groundsel, broom-like ragwort Senecio sphaerocephalus Greene -- ballhead ragwort, marsh groundsel Senecio squalidus L. -- oxford ragwort Senecio sylvatica Linnaeus Senecio sylvaticus L. -- timber ragwort Senecio taraxacoides (Gray) Greene -- dandelion ragwort Senecio triangularis Hook. -- arrowleaf groundsel, arrowleaf ragwort Senecio viscosus L. -- sticky ragwort Senecio vulgaris L. -- most common senecio vulgaris, old-human-within-a-spring Senecio warnockii Shinners -- Warnock's ragwort Senecio wootonii Greene -- Wooton ragwort, Wooton's ragwort

Reference
[http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=36084 ITIS 36084]