genus Ulva

Thesaurus

Noun

1.

genus Ulva - type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuceUlvaprotoctist genus - any genus of Protoctistafamily Ulvaceae, sea-lettuce family, Ulvaceae - thin flat or tubular green algaesea lettuce, laver - seaweed with edible translucent crinkly green fronds