Crossword clue: any plant of the genus chara; -- so called because they are often incrusted with carbonate of lime. see chara.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
any of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encru