Some species also grow in brackish water rich in organic matter or sewage and can accumulate heavy metals. Ulva lactuca is a thin flat green alga growing from a discoid holdfast.The margin is somewhat ruffled and often torn. Collection Locality; Description. Ulva lactuca application had a negative effect on crop appearance in both crops and reduced shoot dry matter in lettuce (p<0.05) and mustard (p<0.10). The thallus of ulvoid species is flat and blade-like and is composed of two layers of cells. Sea lettuce, (genus Ulva), genus of green algae (family Ulvaceae) usually found growing on rocky shores of seas and oceans around the world. Description. It may reach 18 cm or more in length, though generally much less, and up to 30 cm across. lactuca is also a source of methane, hydroge n sulfide and some other gasses after b eing decomposed (Tian et al., 2015b). marine drugs Review Ulva lactuca, A Source of Troubles and Potential Riches Herminia Dominguez 1 and Erwann P. Loret 2,* 1 Department of Chemical Engineering, Faculty of Science, Campus Ourense, University of Vigo, As Lagoas, Galicia, 32004 Ourense, Spain; herminia@uvigo.es 2 Aix Marseille University, Avignon University Centre National de la Recherche Scientifique (CNRS), This is an incredible fast growing seaweed, reaching a growth rate of 40% a day in optimal conditions. [3] Ulva lactuca is a thin flat green alga growing from a discoid holdfast. Kylin, 1907 Ulva lactucaefolia S.F.Gray, 1821 Ulva … Description Ulva lactuca is a thin flat green alga growing from a discoid holdfast.The margin is somewhat ruffled and often torn. Free and Open Access to Biodiversity Data. Sea Lettuce (Ulva lactuca)Appearance: Green seaweed, sheetlike in appearance. Classification. Ulva Introduction Ulva lactuca, is green to dark green in colour also known by the common name sea lettuce. It is edible and is often called 'Sea Lettuce'. 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. Description ID 77a09a29-20e5-4739-8d30-10afd2eb91b0 Institution Code MICH Collection Code Algae Catalog Number 734638 Type PhysicalObject Modified 2016-3-14 ... Ulva lactuca Kingdom Plantae Phylum Chlorophyta Class Ulvophyceae Order Ulvales Family Ulvaceae Genus Ulva Specific Epithet lactuca Taxon Rank species. 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.. from Ulva lactuca in previous studies, there are still no studies on the production of CNF from the extracted cellulose. Seasonal appearance: All year, with large blooms in the summer. Description ID 4a7a1894-7e98-4fb1-a654-ab4bfe2c1127 Institution Code MICH Collection Code Algae Catalog Number 734717 Type PhysicalObject Modified 2016-3-14 ... Ulva lactuca Kingdom Plantae Phylum Chlorophyta Class Ulvophyceae Order Ulvales Family Ulvaceae Genus Ulva Specific Epithet lactuca Taxon Rank species. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The margin is somewhat ruffled and often torn. Pretreatment of A promising species. Species with hollow, one-layered thalli were formerly included in Enteromorpha, but it is widely accepted now that such species should be included in Ulva.. Ulva lactuca is a thin flat green algae growing from a discoid holdfast. It may reach 18 cm or more in length, though generally much less, and up to 30 cm across. 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