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Welcome to Wall Moss Observations!
Welcome to the wall moss observation forum. If you have noticed a patch on a north wall, a green line along a brick joint, or a color shift after rain, you are invited to describe it here. Reading along is fine too, and you can add your own observations whenever you are ready.
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North Wall Moss Patches
Notes on moss patches on north-facing walls, including where they start and how far they spread across the surface.
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