Speaking of Scum

No, this isn’t a rant about politicians, but a nod to the world of algae, fungi and lichen.

Lichen is a symbiotic combination of an alga and a fungus – the alga on the bottom, fungus on the top – similar to how the part of mushroom fungi we eat is the top, erupting above a vast underground network of mycelia.

Soldier Moss (Cladonia cristatella) – is actually a lichen. Also known as British Soldier Moss or Red Crest Lichen.
Pond Scum (Algae)

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