stickweed
/ˈstɪkˌwid/
noun
- Any of various plants with sticky seeds or burrs that cling to clothing or animal fur.
- After walking through the field, his pants were covered in stickweed.
- The dog had to be brushed to remove all the stickweed from its coat.
- Stickweed is a nuisance for hikers because the seeds stick to socks.