Nelson's Pepperwort, Pacific Clover-fern Pacific Waterclover, Water-clover: Marsilea oligospora
Hairy Clover-fern, Hairy Waterclover, Pepperwort, Water-clover, Western Waterclover: Marsilea vestita (Synonyms: Marsilea fournieri, Marsilea mucronata, Marsilea tenuifolia, Marsilea uncinata, Marsilea vestita ssp. tenuifolia, Marsilea vestita ssp. vestita, Marsilea vestita var. mucronata)