watercress algae
... that when watercress algae grows on degraded coral reefs, coral larvae settle on the seaweed as readily as they do on the rubble substrate?
... that when <b id="mwA4I"><a href="./Halimeda_opuntia" id="mwA4M" rel="mw:WikiLink" title="Halimeda opuntia">watercress algae</a></b> grows on degraded coral reefs, coral larvae settle on the seaweed as  readily as they do on the rubble substrate?