pilularia globulifera
NounWordNet 3.0
Noun (1)
- European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarpsSynonyms: pillwortPilularia globulifera
Webster's Dictionary (GCIDE)
Peppergrass \Pep"per*grass`\, n. (Bot.) (a) Any herb of the cruciferous genus Lepidium, especially the garden peppergrass, or garden cress, Lepidium sativum; -- called also pepperwort. All the species have a pungent flavor. (b) The common pillwort of Europe (Pilularia globulifera). See Pillwort. [1913 Webster]