pillwort

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pillwort

(ˈpɪlˌwɜːt)
n
(Plants) a small Eurasian water fern, Pilularia globulifera, with globular spore-producing bodies and grasslike leaves
[C19: from pill1 + wort]
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Noun1.pillwort - European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
aquatic fern, water fern - ferns that grow in water
References in periodicals archive ?
PILULARIA {pill-yoo-LARE-ee-uh} Linnaeus 1754 * Pillworts * [Latin pilula, referring to the tiny ball-like sporocarps.