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

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