'Pilularia globulifera' definitions:

Definition of 'Pilularia globulifera'

From: WordNet
noun
European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps [syn: pillwort, Pilularia globulifera]

Definition of 'Pilularia globulifera'

From: 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]