The calcareous grassland of Kingsweston Down has received its late summer cut but I managed to find an interesting plant pathogen on the margins. Agrimony (Agrimonia eupatoria) leaves heavily infected by the rust fungus Puccinia agrimoniae. British Mycological Society #TwitterNatureCommunity

Finally found the powdery mildew Phyllactinia guttata on Common Hazel near Pill Village this afternoon! ✅️ Downcurled leaves concealing hypophyllous white mycelium with abundant cleistothecia. British Mycological Society #TwitterNatureCommunity

Tall Melilot (Melilotus altissimus) at Portbury Wharf covered in the powdery mildew Erysiphe trifoliorum. Some poor specimens of the hypophyllous Peronospora meliloti also present on nearby plants (confirmed with a 🔬!). British Mycological Society #TwitterNatureCommunity

There were lots of 22 Spot Ladybirds (Pysllobora vigintiduopunctata) on Tall Melilot at Portbury Wharf this morning. I didn't realise until today that this 🐞 species feeds on mildews! #TwitterNatureCommunity

Marsh Cudweed (Gnaphalium uliginosum) growing sediment dredged from a nearby rhine. Seen en route to Portbury Wharf this morning. BSBI: Botanical Society of Britain & Ireland #WildflowerHour

The hypophyllous powdery mildew Phyllactinia fraxini on European Ash. Found near the River Trym in Sea Mills this afternoon. British Mycological Society #TwitterNatureCommunity

Hypophyllous aecia of the rust fungus Gymnosporangium sabinae on a Pear tree. Found at Bishops Knoll WT Nature Reserve this afternoon. British Mycological Society #TwitterNatureCommunity

Ragnhildiana amelopsidis leaf spots on naturalised Virginia Creeper (Parthenocissus quinquefolia) at Bennett's Meadow Avon Wildlife Trust Nature Reserve this afternoon before persistent rain stopped play! British Mycological Society #TwitterNatureCommunity

A puzzling find on Wood Sage this afternoon at Bennett's Meadow Avon Wildlife Trust Nature Reserve! This looks like a slime mould but I thought that these were non-pathogenic, saprophytic organisms 🤔 🤷‍♂️ ?British Mycological Society #TwitterNatureCommunity

An interesting fungal leaf pathogen seen on a garden Forsythia sp. near Leigh Woods today. It looks remarkably like Cladosporium forsythiae, a species first detected in Germany in 2013. There appears to be no information on its UK status 🤷‍♂️ British Mycological Society #TwitterNatureCommunity

I was surprised to find the Anther Smut Fungus Microbotryum silene-diocae on some late flowering Red Campion near Abbot's Pool in North Somerset this morning. British Mycological Society #TwitterNatureCommunity

Common Ash heavily infected by the hypophyllous powdery mildew Phyllactinia fraxini. Masses of both new and mature cleistothecia present! Seen on the North Somerset side of Clifton Suspension Bridge this afternoon. British Mycological Society #TwitterNatureCommunity

A new invertebrate for me this year - Box Bug (Gonocerus acuteangulatus) nymph on a hedgerow Lilac near Abbot's Pool in North Somerset. Coleopterists Society of Britain and Ireland #TwitterNatureCommunity

Just one solitary juvenile Mediterranean Wall Lizard basking on rocks at the Clifton end of the Bristol Suspension Bridge this afternoon. #TwitterNatureCommunity