The detatched fronds continue to grow and can create large floating colonies. Sea Lettuce (Ulva lactuca)Appearance: Green seaweed, sheetlike in appearance. Family: Ulvaceae. Plante Marchantiophyta Liverwort Gemma cup. Sea lettuce is a genus found in the green algae family, which includes many species that grow in harsh conditions, such as sewage and water that contains organic matter. Phylum: Chlorophyta. Habitat: High and low intertidal zones; water to 75 feet deep. The characteristic dichotomous branching pattern identifies it, as does its profuse growth in the upper and middle intertidal zones. Rockweed is a brown alga, as its color indicates. PHYLUM Heterokontophyta CLASS Phaeophyceae ORDER Fucales FAMILY Fucaceae “Seaweeds” include three different major phyla of algae: red, green, and brown. Sea whip, any of several genera of corals of the order Gorgonacea (phylum Cnidaria), characterized by a long, whiplike growth and a variety of bright colours.The “whip” consists of a colony of tiny polyps (cylindrical, stalklike forms with a mouth and eight tentacles at the upper, or free, end) that grow upon one another in a continuous single stem. Domain: Eukarya. Protista Alveolata Dinoflagellates. Sea lettuce is a common seaweed, found attached to rocks and other surfaces using a small holdfast or living in rockpools if it has become detatched. Ranges in size from 6 inches to 2 feet. Sheltered rocks and shores along inter-tidal coastline water are its favorite habitat. It is a algae or a green seaweed throughout the world. Washington State University explains that sea lettuce is mostly deposited on the shores of the ocean and other water bodies when sea water retreats. It can grow in the mouths of rivers, run-off pipes and streams. Order: Ulvales. Notes: Sea lettuce is one to two cells thick. Kingdom Phylum Common Name Identify structure. Class: Ulvophyceae. Sea Lettuce plant clade, plant tribe and order fall under the scientific classification of Sea Lettuce. The Danish species has been shown to absorb glucose and acetate from sea water, stimulating growth. The ruffled fronds are unique - bright green and translucent, being only 2 … Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the family Ulvaceae.It is the type species of the genus Ulva.It is sometimes known as U. fenestrata, referring to its "windowed" or "holed" appearance. Can be white or black when dry. Seasonal appearance: All year, with large blooms in the summer. Sea Lettuce Genus and Other Classification. Genus: Ulva Sea Palms Postelsia palmaeformis Size: Up to 60 cm or 24 inches Habitat: Grows in areas with extreme wave action. Kingdom Phylum Class Family Scientific Name Common Name. Description: Thallus a green blade consisting of two cell layers, commonly with numerous small holes or perforations scattered throughout, reaching 60 cm (24 in) or more tall, although frequently much smaller. The phylum of sea lettuce is Chlorophyta. Genus is a group of plants which are related to each other in some or the other way. Description. Kingdom: Plantae. Plante Brophyta Bryidae ... Phylum Family Scientific Name Common Name Structure on Left Structure in Middle Structure on Right. Sea Lettuce genus and other classification is necessary information to know for every botanist. Sea lettuce. Sea Lettuce (Ulva lactuca) Sea lettuce has Phylum Chlorophyta and Family Ulvaceae. The flexible stems called stipes in seaweeds bend to absorb wave energy. Throughout the world: sea Lettuce flexible stems called stipes in seaweeds bend to absorb glucose and acetate sea... ) appearance: green seaweed throughout the world and streams in some or the other way floating colonies sheetlike. 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