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My favorite so far in the endless series 'Something Completely Covered by Lichen': a pair of sneakers totally swamped in Diploschistes muscorum (appropriately known as Cowpie #Lichen)

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The lid of a plastic garbage container is dotted with lichens that skilfully use its reinforcing ribs and curves as footholds; mostly Physcia this time

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Lichens almost completely covered the painted meal tube; mainly Xanthoria, with a few other species mixed in

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About the limits of my skills: whatever I try, it still looks like a dark, inconspicuous spot on a stone. I guess it’s Verrucaria #lichen (V. nigrescens ?); adding a close-up pic

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#Lichen potpourri: The bright orange is likely Sidewalk Firedot Lichen (Xanthocarpia), the whitish-rim apothecia are probably of Myriolecis (M. dispersa). There is an interesting lichen in the upper-left corner - Catillaria? As always, there were more (plus Verrucaria; Verrucaria is always nearby)

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Licheomancy™ @licheomancy.bsky.social · 18/04/2026

Lecidella stigmatea {Rock Disk #Lichen}, on a sandstone in Limburg; ~ 20mm wide

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A small, twisted tree with unusually long branches, almost completely clothed in lichens, as a kind of old laced dress. There are, of course, many lichens at work here, but the most dominant in this case is Hypotrachyna (mainly H. revoluta from what I've seen)

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Licheomancy™ @licheomancy.bsky.social · 18/04/2026

Flavoparmelia caperata {Common Greenshield #Lichen} on old birch

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Licheomancy™ @licheomancy.bsky.social · 13/04/2026

#Lichen -wise, it seems to be Hypotrachyna, possibly H. afrorevoluta. But when I looked more carefully back at home, the main question became WHAT THE BEETLE? Know very little about beetles, it looks like one of the 'click beetles' (Elateridae), but I can’t narrow down much further

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Licheomancy™ @licheomancy.bsky.social · 13/04/2026

Cladonia #lichen, may be C. squamosa or C. digitata, such squamule clumps are typical for many species. My question was more about these bright orange patches I found nearby. I’m not sure if these are signs of infection or just normal aging. Or reaction to extremely dry weather we have lately?

Pale green Cladonia lichen forming dense, curly squamule cushions on decaying wood.

Rusty orange squamules of Cladonia lichen growing on wood

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Licheomancy™ @licheomancy.bsky.social · 06/04/2026

Parmotrema reticulatum {aka Black Sheet #Lichen)

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Licheomancy™ @licheomancy.bsky.social · 06/04/2026

Lecanora #lichen & Co (Lecanora campestris, I think); close-up with apothecia

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Licheomancy™ @licheomancy.bsky.social · 05/04/2026

Xanthoria parietina #lichen growing on a braided steel cable

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Licheomancy™ @licheomancy.bsky.social · 05/04/2026

Bright orange splash of Xanthoria calcicola #lichen on stone. As often happens, it is Lichen & Co: a few other lichens are around too, most visibly Protoparmeliopsis muralis and Physcia caesia

Bright orange splash of Xanthoria calcicola lichen on stone, surrounded by the patches of Protoparmeliopsis muralis and Physcia caesia lichens

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Licheomancy™ @licheomancy.bsky.social · 04/04/2026

Thickets of Cladonia #lichen (C. rangiferina or perhaps C. portentosa)

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Licheomancy™ @licheomancy.bsky.social · 30/03/2026

Xanthoria parietina {Sunburst #Lichen} is perhaps one of the most omnipresent and 'unremarkable' lichens in the Northern Hemisphere; yet also one of the most surreally beautiful

Close-up of a tree trunk covered with a large patch of Xanthoria parietina lichen, with its ruffled yellow-green lobes and many orange disk-like apothecia against the dark bark

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Licheomancy™ @licheomancy.bsky.social · 29/03/2026

The weather was bleak, nearly rainy all day, so I didn’t take a camera - all the photos today were made by phone. This is large Punctelia, possibly Punctelia subrudecta {Powdered Speckled Shield #Lichen}.

A large colony of Punctelia lichen (possibly Punctelia subrudecta, or Powdered Speckled Shield Lichen) spreads across a rough tree branch

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Licheomancy™ @licheomancy.bsky.social · 29/03/2026

Giant patch of Parmelia sulcata {Shield #Lichen}

A fallen tree trunk in dry grass is covered by a large patch of Parmelia sulcata (also known as Shield Lichen}, with a small folding hand loupe placed on top for scale

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Most often I try to ID the #lichen I show here, but in some cases that does not seem to be important, it's simply a nice lichen (also moss, in this case)

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I think it's what is known as Candelariella medians {or Lobed Goldspeck #Lichen}

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See? no pleating. This is what I think Ptychostomum capillare {Capillary Thread #Moss}

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In rare cases I share not only #lichen but other 'morganic' species, like moss. This is a fairly unusual case: normally the setae grow more like grass, standing separately, but here the stalks of Ceratodon purpureus (aka Redshank, or Fire #Moss) form little plaits, intertwining with each other.

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Licheomancy™ @licheomancy.bsky.social · 20/03/2026

This was actually #lichen, I swear. I rarely show anything here but lichen

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Graphis scripta agg. {Common Script #Lichen} A journal of lichenology is named Graphis Scripta after the lichen.

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A large sunlit mat of Physcia caesia {Blue-gray Rosette #Lichen}

Close-up of a broad pale grey mat of Physcia caesia lichen spreading across rock. The lichen's lobes are densely dusted with bluish-grey soredia

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Cladonia, possibly Cladonia fimbriata {Trumpet #Lichen}. AI suggests unusually poetic description, comparing it to the 'miniature forest of goblets, lit by warm golden light'; it's getting better and better, with every hour

A close-up view of pale green Cladonia lichen, possibly Cladonia fimbriata (Trumpet Lichen), growing on decaying wood. Its tiny upright stalks end in flared cup-shaped tips, like a miniature forest of goblets, lit by warm golden light against a soft blurred background.

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Physcia adscendens (Hooded Rosette #Lichen) grows in a small knot hole of an aspen

Close-up of pale grey Hooded Rosette Lichen (Physcia adscendens) growing inside a small knot hole on an aspen trunk, lit by warm sunlight.

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Licheomancy™ @licheomancy.bsky.social · 18/03/2026

Fifty shades of light and shadow of Lobothallia radiosa #lichen. Okay, maybe not 50, but still quite a spectrum

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Small rosette of Calogaya, probably C. pusilla {Tiny Firedot #Lichen} rather than C. saxicola but it's hard to say from a photo alone

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Licheomancy™ @licheomancy.bsky.social · 18/03/2026

Bright yellow-orange Flavoplaca #lichen covers the rock so heavily that the surface looks dusted with gold. My guess it's F. flavocitrina but could be others, hard to say from this image only. There patches of other lichen too, most notably rosettes of Calogaya

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Licheomancy™ @licheomancy.bsky.social · 18/03/2026

Circinaria calcarea {Calcareous Rimmed #Lichen} spreads across stone in multiple patches, creating a cracked mosaic, like a map of tiny kingdoms.

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Licheomancy™ @licheomancy.bsky.social · 16/03/2026

Physconia, possibly P. enteroxantha {aka Yellow-edged Frost #Lichen}. In Dutch the lichen is know as 'rijpmos', hoarfrost lichen

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Licheomancy™ @licheomancy.bsky.social · 15/03/2026

Parmelia sulcata {I used to write here 'aka Shield #Lichen', or Cracked Shield Lichen; but then I learned that iNat had introduced a new nickname - Netted Shield Lichen. It likely alludes to the 'nets' of characteristic cracks on the lichen’s lobes. Sulcata comes from the Latin for 'furrowed'}

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Licheomancy™ @licheomancy.bsky.social · 15/03/2026

The War of Lichen: Lecidella (L) and Lecanora (R), possibly L. chlarotera {Dusted White-Rim #Lichen}

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Punctelia, possibly P. subrudecta {Powdered Speckled Shield #Lichen}; not very well visible here, but some of the lobes were densely covered by laminal pycnidia

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Flavoparmelia caperata {Common Greenshield #Lichen} with a very heavily sorediate central mass; after heavy rain, the center turned into messy lumpy cushions, resembling Lepraria powdery lichen

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A tiny young Philodromus spider, barely 2mm long, making its way through the thick lobes of Flavoparmelia caperata {Greenshield #Lichen}

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Ramalina spp; perhaps Ramalina farinacea {Farinose Cartilage #Lichen}

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Lecanora, possibly Lecanora chlarotera {Dusted White-Rim #Lichen} It's all picturesque & stuff, but some of the apothecia seem to be affected (infected?) and show orange-red stains and discoloration, perhaps caused by a lichenicolous fungus

Close-up of a bark-growing crustose lichen, likely Lecanora chlarotera, on reddish-brown tree bark. The lichen thallus is covered by many olive-grey cup-like apothecia with pale rims; several in them show conspicuous rusty orange-red discoloration

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Physcia, possibly P. aipolia {aka Hoary Rosette #Lichen}

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