Polytrichum
...that moss of the genus Polytrichum has adapted to trap moist air between rows of lamellae?
...that <a href="./Moss" id="mwCKA" rel="mw:WikiLink" title="Moss">moss</a> of the <a href="./Genus" id="mwCKE" rel="mw:WikiLink" title="Genus">genus</a> <i id="mwCKI"><b id="mwCKM"><a href="./Polytrichum" id="mwCKQ" rel="mw:WikiLink" title="Polytrichum">Polytrichum</a></b></i> has adapted to trap moist air between rows of <a href="./Lamella_(cell_biology)" id="mwCKU" rel="mw:WikiLink" title="Lamella (cell biology)">lamellae</a>?