BioImages: The Virtual Field-Guide (UK)

Tranzschelia pruni-spinosae (Pers.) Dietel (Blackthorn Rust)

Date 18 September 2007
OS grid ref SU57
Lat/Lon 51° 30' N, 1° 10' W
Location Vice County: Berks, VC22, England
Voucher 18/09/2007[D]
(Please quote this in any queries about this record)
Stage or state Telia (III)
Record Summary Telia and uredia, on leaves of Blackthorn in road-side hedge
Associated organism: on underside live leaf of Prunus spinosa
Identification Notes: Uredia: hypophyllous, groups of dull brown mounds, on green and yellowing leaves, sometimes on green islands on the latter.

Telia: hypophyllous groups of isolated black clumps of spores, on yellowing leaves, sometimes on green islands.

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