BIOTIC Species Information for Ulva intestinalis
|Researched by||Georgina Budd & Paolo Pizzola||Data supplied by||MarLIN|
|Refereed by||This information is not refereed.|
|Scientific name||Ulva intestinalis||Common name||Gut weed|
|MCS Code||ZS156||Recent Synonyms||Enteromorpha intestinalis (Linnaeus) Link 1820|
Origin of species name
A recent molecular study suggested that the genus Enteromorpha is synonymous with the genus Ulva (Hayden et al., 2003). Species within the genus Ulva are difficult to identify. Identification is heavily reliant on cell detail and cell arrangement, in addition to gross morphology, but complicated by the fact that the morphology of a single species can vary in response to environmental conditions. For instance, Ulva intestinalis and Ulva compressa (as Enteromorpha) are two distinct, genetically divergent and reproductively isolated species (Blomster et al., 1998). They are, however, difficult to distinguish. The presence or absence of branching fronds was the most useful gross morphological characteristic distinguishing these two species (Ulva intestinalis being unbranched). But ambiguity exists because low salinity or salinity shock can induce branching in Ulva intestinalis. However, if environmental factors, such as salinity are taken into account, branching can be used to identify the great majority of thalli correctly (Blomster et al., 1998).
|Taxonomy References||Dickinson, 1963, Hayward et al., 1996, Fish & Fish, 1996, Howson & Picton, 1997, Blomster et al., 1998, Burrows, 1991, Clay, 1960b, Guiry & Nic Dhonncha, 2002, Hayden et al., 2003,|