aster tripolium

from WordNet (r) 3.0 (2006)

Aster tripolium
    n 1: a common European aster that grows in salt marshes [syn:
         {sea aster}, {sea starwort}, {Aster tripolium}]

from The Collaborative International Dictionary of English v.0.48

Sharewort \Share"wort`\ (sh[^a]r"w[^u]rt`), n. (Bot.)
   A composite plant ({Aster Tripolium}) growing along the
   seacoast of Europe.
   [1913 Webster]

[email protected]