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Reposted by Bristol Naturalists’ Society

Bristol Naturalists’ Society @bristolnats.bsky.social · 9h

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Reposted by Bristol Naturalists’ Society

Bristol Naturalists’ Society @bristolnats.bsky.social · 9h

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Bristol Naturalists’ Society @bristolnats.bsky.social · 9h

Members should have received their copy of Nature in Avon. There are two nice tributes to our long standing members, Pam Millman and Margaret Webster. R.I.P.

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Reposted by Bristol Naturalists’ Society

Royal Entomological Society @royentsoc.bsky.social · 03/09/2026

👀🪰 Ready for a closer look at one of nature's most extraordinary insects? Join us for the next #InsectHour with Prof. Andrew Pomiankowski where we'll explore the fascinating biology of stalk-eyed flies with insights into one of entomology's most remarkable evolutionary stories. buff.ly/FCGSuMS

buff.ly

Insect Hour - 16 October

🎟️ Free to attend – register now

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Butterfly Conservation (Dorset Branch) @dorsetbutterflies.bsky.social · 03/09/2026

It’s week 23 of the transect season and autumn seems to be approaching fast. Adonis Blues are having a great season in north Dorset with over 100 on transect at Hambledon Hill. Small Heaths also seem to be having a resurgence since the rains came.

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TiCL 🍃💚🍃 @ticl.me · 04/09/2026

Chicken of the woods is most commonly found on the wounds of trees, mostly oak 🌳 #fungusfriday

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Lukas Large @lukaslarge.bsky.social · 04/09/2026

A new book on British Earthstars by Jonathan Revett is now available to preorder from @summerfieldbooks.com #MycoBookClub #fungi #FungiFriday #Mycology www.summerfieldbooks.com/product/brit...

14. Geastrum rufescens Pers.

Rosy Earthstar

<<< rufescens = red, reddening >>>

Icons: Pegler et al. (1995) p103; Jeppson (2013) p168; Læssøe et al. (2019) p1249.

A medium to large sized species with thick fleshed pinkish-red non-hygroscopic rays, a fimbriate peristome and stalked spore sac

Unexpanded fruitbody: Subglobose, 30mm 40mm.

Expanded fruitbody: 50mm - 90mm with 5-8 non-hygroscopic rays, flattened or arching with age.

Mycelial layer: Persistent, encrusting debris.

Fibrous layer: Pale grey brown

Fleshy layer: Warm reddish pink, flesh up to 8mm thick when fresh, quickly cracking and falling apart, darker with age but normally with residual reddish tones.

Spore sac: Subglobose 10mm 30mm diameter, greyish buff or light brown, smooth or minutely hairy (hand lens needed!) and with a fimbriate peristome which is often ill-defined and a short stem.

Mature Spore Mass: Dark brown.

Spores: Globose, 3.8µm 4.3µm, covered in elongated warts up to 0.5µm high.

Capillitial hyphae: 4.0µm 8.0µm, thick walled, tapering, encrusted.

Habitat: Rich litter in both deciduous and coniferous woodland, parks, arboretums.

Distribution: An uncommon species but well represented across Britain.

Discussion:

Unmistakable when fresh, thick fleshed with some degree (often very intense) of pinkish red tones and a weakly defined fimbriate peristome. The spore sac often degrades very quickly, especially around the peristome and can end up with several tears and holes. The short stem is best seen in mature specimens when all the flesh has eroded.

Unlikely to be confused with other earthstars when fresh but old specimens can resemble Geastrum michelianum or even Geastrum fimbriatum however the rays normally have dark reddish tones and sometimes dried patches of the thick flesh. The spores are also larger than G fimbriatum & G michelianum.

Often found in and around rotting tree stumps or on big thick piles of needle litter.

European Distribution & Species:

Common and widespread a…

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Badgermanandrobin @loveday-p.bsky.social · 19/06/2026

Beautiful fungus: had a look through the apps and not sure what this is, any ideas anyone? Comer Woods, Bridgnorth @the-wildlifetrusts.bsky.social @nationaltrust.org.uk @shropshirewildlife.bsky.social @britishecologicalsociety.org @britishnatureguide.bsky.social @bristolnats.bsky.social #wildlife

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Bristol Naturalists’ Society @bristolnats.bsky.social · 05/06/2026

Fossil Festival Lyme Regis - 13th & 14th June 2026 Mendip Rocks! throughout October 2026 www.earthsciencecentre.org.uk

earthsciencecentre.org.uk

HOME | Mysite

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Bristol Naturalists’ Society @bristolnats.bsky.social · 05/06/2026

🦇🦇🦇Bat Walk - Bristol. www.eventbrite.co.uk/e/bat-walk-b...

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Rufus D @rufusdawson.bsky.social · 26/05/2026

Thank you so much to Birds on the Brink, @bristolnats.bsky.social, the Bristol Ornithological Society, the Cameron Bespolka Trust and @tj-focus.bsky.social for their generous support of the project.

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Rufus D @rufusdawson.bsky.social · 26/05/2026

I’m here to monitor the resident lesser spotted woodpecker population - where at least two birds thrive on the mosaic of invertebrate-rich habitat that can be found at the site. (4/10)

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Rufus D @rufusdawson.bsky.social · 26/05/2026

Deep within a Gloucestershire valley is a hidden world. The wider countryside is covered by mixed-age beech woodland in a complex mosaic of forest, commons and farmland. But in this quiet corner, a strikingly different blend of habitats can be found - and with it a mix of unusual species. (1/10)

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UN Biodiversity @unbiodiversity.bsky.social · 24/04/2026

The #CityNatureChallenge starts today! In the lead-up to #IDB 2026, this is a chance to turn local action into global impact. Use @inaturalist.bsky.social to document nature where you live and contribute to global biodiversity data. 🔗 www.citynaturechallenge.org @calacademy.bsky.social @nhm.org

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Bristol Naturalists’ Society @bristolnats.bsky.social · 22/04/2026

New venue for our indoor meetings: Quaker Friends Meeting House, Redland. www.quaker.org.uk/meetings/red...

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