October 2021

Please refer to the Introduction Page to understand the context behind the monthly photographs.

Trees

Oak powdery mildew (Erysiphe alphitoides) A common disease on Oak plants affecting plants thoughout the summer. It causes leaves to shrivel and blacken.

Galls

Creeping Thistle plants with several stem galls caused by the fruit fly Urophora cardu. This fly lays it eggs on the plant and as they hatch they burrow into the stem causing the plant to form the swollen stem galls. This gives the lavra protection until they mature and exit out of the base of the gall. Typically there are four chambers containing a single lavra in each.

Fungi

Slime Moulds

Did anyone spot in the title of this slime mould "a-rach-no-idea". I have since checked further on-line sources and it still appear to be one of the names this slime mould goes by. Obviously someone has a sense of humour so will now use one of the other synonyms being Tubifera ferruginosa.

Lichen

Lichen are only recorded at each new OS Grid location (hover for Grid Ref). They are then entered on the British Lichen Society spreadsheet and submitted for their Warwickshire VC38 Lichen database and Lichen mapping.

Non-Churchyard lichens

VC4 North Devon Lichen

Non-Churchyard lichens

VC5 South Somerset Lichen

Non-Churchyard lichens

Ones that escaped the camera lens this month

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