How do barbed bristles help Rhynchospora seeds spread?

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Sedge — Cyperaceae Spikes of sedge (*Carex pendula*).

In the plant family Cyperaceae, the barbed bristles found on the seeds of the genus Rhynchospora serve as an effective mechanism for dispersal by animals. These bristles allow the seeds, or nutlets, to cling tenaciously to the fur of passing animals, facilitating their transport to new locations through a process known as epizoochory.1