sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle

annual asper asteraceae background beautiful beauty bloom blooming blossom botany closeup common dandelion detail flora floral flower fluffy fringed garden germination green harm herb knapweed leaf milk natural oleraceus plant prickly rough sharp sharpfringed sonchus sow sowthistle spiny spinyleaved spring summer thistle weed wild wildflower