genus Ulva

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Noun1.genus Ulva - type genus of the family Ulvaceaegenus Ulva - type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
protoctist genus - any genus of Protoctista
family Ulvaceae, sea-lettuce family, Ulvaceae - thin flat or tubular green algae
sea lettuce, laver - seaweed with edible translucent crinkly green fronds
References in periodicals archive ?
Various studies have demonstrated the use of green macroalgae from the genus Ulva as a bio-filter/monitor of coastal contamination because of their relatively simple morphology, high tissue bioaccumulation, and widespread distribution (Alkhalifa et al., 2012; Zoll and Schijf, 2012; Renzi et al., 2014).
mydas, they were two specimens of Chelonibia testudinaria located on the second central scute and second lateral scute, as two masses firmly adhered to the surface and with abundant filamentous algae of the genus Ulva (Case study 1).
Green algae species of Ulvaceae, especially the members of the green algal genus Ulva, have been considered as monitors of heavy metals in estuaries [13-15].