Ulva intestinalis Linnaeus, 1753
(Gutweed)

Taxonomic hierarchy:
SpeciesUlva intestinalis (Gutweed)
GenusUlva (sea lettuces, green lavers)
FamilyULVACEAE (a family of algae)
OrderULVALES (an order of green seaweeds)
ClassULVOPHYCEAE (a class of green algae)
SubphylumCHLOROPHYTINA (a subphylum of algae)
PhylumCHLOROPHYTA (green algae)
SubkingdomVIRIDIPLANTAE (lower green plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Ulva intestinalis (Gutweed) :
1: Ulva intestinalis (Gutweed)
19 Jun 2008 OSGR: TQ91 50° 50’ N, 0° 40’ E Vice County: East Sussex (VC 14) England
on peaty soil masses of 1,000-year old submerged forest, near low tide
Image 1: In situImage 2: In situ (2)Image 3: In situ (3)Image 4: In situ (4)Image 5: In situ (5)Image 6: In situ (6)Image 7: In situ (7)Image 8: Plant - close-upImage 9: Plant - close-up (2)Image 10: Plant - close-up (3)Image 11: Plant - close-up (4)Image 12: Thalli - close-upImage 13: Thalli - close-up (2)Image 14: Thalli - close-up (3)Image 15: Thalli - close-up (4)Image 16: Thalli - close-up - enlargedImage 17: Thalli - close-up - enlarged (2)Image 18: Thalli - close-up - enlarged (3)Image 19: Cells from near base of thallus - magnifiedImage 20: Cells in near wall of tube - magnifiedImage 21: Cells - magnifiedImage 22: Cells - highly magnifiedImage 23: Cells - highly magnified (2)
2: Ulva intestinalis (Gutweed) IDENTIFICATION UNCERTAIN
14 Jun 2007 OSGR: SW61 50° 0’ N, 5° 20’ W Vice County: West Cornwall (VC 1) England
on rocks
Image 1: Intertidal rocks covered by green seaweedImage 2: Intertidal rocks covered by green seaweed (2)Image 3: Seaweed - dry - close-upImage 4: Seaweed - dry - close-up (2)Image 5: Seaweed - dry - on rocksImage 6: Seaweed - in water - close-upImage 7: Seaweed - in water - close-up (2)Image 8: Seaweed - in water - close-up (3)Image 9: Seaweed - on rocks as tide comes inImage 10: Seaweed - on rocks as tide comes in (2)Image 11: Seaweed - on rocks as tide comes in (3)

Ulva intestinalis (Gutweed) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Ulva intestinalis (Gutweed)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Ulva intestinalis (Gutweed)
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