We found 2 definitions of water star grass from 2 different sources.
Noun |
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water star grass - grassy-leaved North American aquatic plant with yellow star-shaped blossoms | ||
mud plantain, Heteranthera dubia | ||
aquatic plant, hydrophyte, hydrophytic plant, water plant a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth |