Macro of British Soldier lichen (Cladonia cristatella)
British Soldier moss is also known as matchstick moss...but it's not a moss at all. It's a lichen - actually two plants a fungus and an algae living together to each other's benefit. Each soldier can grow to be about 1 inch (25 mm) tall.
British soldiers on top of an upright fence post
High humidity, low light and cool temperatures are what this lichen likes. These British soldiers were growing on dead wood (an upright fence post).
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