sonchus asper, also commonly known as the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow, or spiny-

asper asteraceae bloom composite dandelion flora floral flower grass green hairy leaf leaved leaves meadow milk nature oleraceus petal pistil plant prickle prickly rough sharp sharpfringed smooth sonchus sow sowthistle spines spiny spring springtime stamen sticky thistle weed wild wildflower yellow