Breadcrumb Home > Thesaurus > P Synonyms of potamogeton nodosus Find synonyms for: Noun1. loddon pondweed, Potamogeton nodosus, Potamogeton americanus, pondweedusage: pondweed with floating leaves; of northern United States and EuropeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language