Tennessee yellow-eyed grass
... that buds of Tennessee yellow-eyed grass are forced open by the bee Lasioglossum zephyrum, seeking first access to the flowers' pollen?
... that buds of <b id="mwDVI"><a href="./Xyris_tennesseensis" id="mwDVM" rel="mw:WikiLink" title="Xyris tennesseensis">Tennessee yellow-eyed grass</a></b> are forced open by the bee <i id="mwDVQ"><a class="mw-redirect" href="./Lasioglossum_zephyrum" id="mwDVU" rel="mw:WikiLink" title="Lasioglossum zephyrum">Lasioglossum zephyrum</a></i>, seeking first access to the flowers' pollen?