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Flooding from the river Rother in West Sussex

Fungi Friday: 17th January 2020

Storm Brendon rocked up this week in Sussex and gave freedom of movement to the Arun and Rother. Temperatures have tickled 11 degrees but are set to crunch back down this weekend. Mushrooms must think, guys, WTAF?

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I see images of nice looking shrooms on social media, things like velvet shank glowing orange like sweets on tree trunks. All I saw were the melted ice lollies of sulphur tuft (Hypholoma fasiculare) on an embankment. It gets worse:

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Probably some bonnets, like a scene from the Netflix drama You. The rain has been too much for these Mycena. But have hope.

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Where there are non-chemical treated fence posts, there is hope. That hope comes in the form of our symbiotic fungi-algae friends, the lichens. This is a great time of year for lichens due to the amount of rain and their resistance to winter weather. They are hard to shift.

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The fruiting bodies here are known as apothecia. I love them. They are like cartoon eyes or mouths. Wonder what they’re trying to say. Obviously it’s a climate warning.

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This one just takes the biscuit. My lichen guide is in Ireland where it belongs, with all the other lichens. So I’m sailing in the dark and just here to appreciate the beauty of these ancient, life-giving organisms.

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These fencing rails are a reminder of how important dead wood is in the biosphere as a structural support for biodiversity. No doubt lots of other organisms will make a home for themselves in these lichens.

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This is a finger post with the yellow being the paint of an arrow pointing in the direction of the public footpath. I love the little apothecia eye cups on the right hand side.

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Living wood also provides a platform for lichens to grow. I can’t cope with the colour range in the species which dominates the image here. They were growing on the bark of a fairly young beech tree. A few people did glance over when they saw me effectively hiding behind the tree with a camera. In actual fact the camera was jammed up against the bark taking macro pics. Still, could have gone wrong.

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Here you can see the brown streaks which are fissures in the maturing bark as it grows. Patches of foliose or leafy lichens are growing in among the crustose species.

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This was their view, an oak tree fanned out before the South Downs ridge. Not a bad place to be for a lichen.

The British Lichen Society are running the hashtag #LichenJanuary. Lichens are for everyone so it’s good to see such a niche group spreading their knowledge to the masses(?) for free.

Thanks for reading and please share any interesting lichen finds (or indeed identifications) in the comments. Some interesting mycological articles this week:

Mushrooms and orange peel: could biotech clean up the building industry?

Ikea to use packaging made from mushrooms that will decompose in a garden within weeks

More mushrooms