This is one I found this morning on the coast. Under the microscope the leaves look distinctive having the shape similar to a Zygodon with the costa being in a channel. I eventually identified it as either Didymodon luridus or Didymodon tophaceus. It was a bit of a tough call but eventually I went with Didymodon tophaceus because of the leaf shape and the habit of the leaves when dry as D.luridus has appressed leaves when dry and D.tophaceus has it leaves incurled and slightly twisted.
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| Didymodon tophaceus |
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| Didymodon tophaceus leaf |
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