Marchesinia mackaii (Hook.) Gray
(Mackay’s Pouncewort)

Taxonomic hierarchy:
SpeciesMarchesinia mackaii (Mackay’s Pouncewort)
FamilyLEJEUNEACEAE (pounceworts)
OrderPORELLALES (scaleworts, pounceworts and hollyworts)
ClassJUNGERMANNIOPSIDA (leafy liverworts)
PhylumMARCHANTIOPHYTA (liverworts)
SubkingdomVIRIDIPLANTAE (lower green plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Marchesinia mackaii (Mackay’s Pouncewort) :
1: Marchesinia mackaii (Mackay’s Pouncewort)
28 May 2008 OSGR: SK58 53° 20’ N, 1° 10’ W Vice County: South-west Yorks (VC 63) England
numerous patches on wall of gorge
Image 1: Marginal thalli - in situ - close-upImage 2: Marginal thalli - in situ - close-up (2)Image 3: Marginal thalli - in situ - close-up (3)Image 4: Plant - in situImage 5: Plant - in situ (2)Image 6: Plant - in situ - close-upImage 7: Plants - in situImage 8: Thallus - in situ - close-up - enlargedImage 9: Thallus - in situ - close-up - enlarged (2)Image 10: Thallus - in situ - close-up - enlarged (3)Image 11: Thallus - in situ - close-up - enlarged (4)Image 12: Thallus - top surface - transmitted light - close-up - magnifiedImage 13: Thallus - top surface - transmitted light - close-up - magnified (2)Image 14: Thallus - top surface - transmitted light - close-up - magnified (3)Image 15: Thallus - top surface - transmitted light - close-up - magnified (4)Image 16: Thallus - top surface - transmitted light - close-up - magnified (5)Image 17: Thallus - under surface - transmitted light - close-up - magnifiedImage 18: Thallus - under surface - transmitted light - close-up - magnified (2)Image 19: Leaf cells - magnifiedImage 20: Leaf cells - magnified (2)Image 21: Leaf cells - microscope low magnificationImage 22: Leaf cells - under leaf - magnifiedImage 23: Leaf cells - under leaf - magnified (2)Image 24: Leaf cells - under leaf margin - magnifiedImage 25: Postical lobe - microscope low magnificationImage 26: Postical lobe - microscope low magnification (2)Image 27: Rhizoids - microscope low magnificationImage 28: Thallus - magnifiedImage 29: Thallus - magnified (2)Image 30: Thallus - magnified (3)Image 31: Thallus - magnified (4)Image 32: Thallus - magnified (5)Image 33: Underleaf - microscope low magnificationImage 34: Underleaf - microscope low magnification (2)Image 35: Underleaves - microscope low magnificationImage 36: Underleaves - microscope low magnification (2)

Marchesinia mackaii (Mackay’s Pouncewort) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Marchesinia mackaii (Mackay’s Pouncewort)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Marchesinia mackaii (Mackay’s Pouncewort)
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