Ragworts & Groundsels (Senecio)

..... Basal & cauline lvs: ..... ..... ..... only cauline, alt lvs:
..... oblong or lanceolate or narrowly egg-shaped egg-shaped ovate divided divided
fls closed ..... ..... ..... ..... common groundsel (vulgaris) black-tipped bracts cover the base of the fl; lvs deeply lobed; weed of cultivated land & waste places
fls open ..... ..... ..... ..... .....
basal lvs long-stalked Robbins' ragwort (schweintizianus ) lvs narrowly egg-shaped; wet meadows & shores; n New England & n NY north ..... golden ragwort (aureus) ..... .....
basal lvs tapering at the base balsam ragwort (pauperculus) lvs bluntly toothed or sometimes lobed round-leaved ragwort (obovatus) lv w/ very blunt ends ..... ..... .....
basal lvs divided ..... ..... ..... tansy ragwort (jacobaea) coarse, leafy plant; 1-4' high; weed of roadsides & pastures; ne US & e Canada .....