Gymnosporangium cornutum Arthur ex F. Kern
(Mountain Ash Rust, Rowan Crown)

Taxonomic hierarchy:
SpeciesGymnosporangium cornutum (Mountain Ash Rust, Rowan Crown)
GenusGymnosporangium (juniper rust)
FamilyPUCCINIACEAE (a family of rust fungi)
OrderPUCCINIALES (rust fungi)
ClassPUCCINIOMYCETES (rust fungi etc)
SubphylumPUCCINIOMYCOTINA (rust fungi etc)
PhylumBASIDIOMYCOTA (spore droppers, basidiomycetes)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown) :
1: Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown)
21 Aug 2005 OSGR: NH90 57° 10’ N, 3° 40’ W Vice County: East Inverness-shire (VC 96) Scotland
Spermogonia on red spots on upperside of Rowan leaf, opposite aecia on underside
Image 1: Infected foliageImage 2: Infected leaf - uppersideImage 3: Infected leaf - upperside - close-upImage 4: Infected leaf - upperside - close-up (2)Image 5: Infected leaf - upperside - close-up (3)Image 6: Infected leaf - underside - close-upImage 7: Infected leavesImage 8: Infected leaves (2)Image 9: Infected leaves (3)Image 10: Aecia - aborted - highly enlargedImage 11: Aecia - lateral view - highly enlargedImage 12: Aecia - lateral view - highly enlarged (2)Image 13: Aecia - lateral view - highly enlarged (3)Image 14: Aecia - lateral view - highly enlarged (4)Image 15: Aecia - lateral view - leaf underside - close-up - enlargedImage 16: Aecia - leaf underside - close-up - enlargedImage 17: Aecia - leaf underside - close-up - enlarged (2)Image 18: Aecia - leaf underside - close-up - enlarged (3)Image 19: Aecia - oblique view - highly enlargedImage 20: Aecia - oblique view - leaf underside - close-up - enlargedImage 21: Aecia - oblique view - leaf underside - close-up - enlarged (2)Image 22: Infection - leaf upperside - close-up - enlargedImage 23: Spermogonia on leaf top surface - close-up - enlargedImage 24: Spermogonia on leaf top surface - close-up - highly enlargedImage 25: Spermogonia on leaf top surface - close-up - highly enlarged (2)Image 26: Aeciospores - magnifiedImage 27: Aeciospores - magnified (2)Image 28: Aeciospores - magnified (3)Image 29: Aeciospores - magnified (4)Image 30: Aeciospores - magnified (5)Image 31: Aeciospores - microscope low magnificationImage 32: Aeciospores - surface ornamentation - magnifiedImage 33: Peridial cells, aeciospores and Cladosporium - magnifiedImage 34: Peridial cells - magnified
2: Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown)
19 Aug 1978 OSGR: NN95 56° 40’ N, 3° 40’ W Vice County: Mid Perth (VC 88) Scotland
on Rowan leaves
Image 1: Aecia on Rowan leafImage 2: Aecia - enlargedImage 3: Aecia - enlarged (2)

Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown)
BioInfoBioInfo (www.bioinfo.org.uk) has 8 host/parasite/foodplant and/or other relationships for Gymnosporangium cornutum (Mountain Ash Rust, Rowan Crown)
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