Any macrophyte that grows in water or on a substrate that is at least periodically deficient in oxygen as a result of excessive water content; plants typically found in wet habitats
Plant typically found in wet areas or in water where oxygen deficiencies occur periodically (11)
Any plant growing in water or on a substrate that is at least periodically deficient in oxygen as a result of excessive water content (plants typically found in wet habitats) (Cowardin et al 1979)