I'll soon post photos in a new post
Of course should be treated as a very attemptive ID.
Habitat wet stones in the shade (half-dark)
Didymodon vinealis seems the only other alternative, so it is between Didymodon rigidulus and D. vinealis.
- Leaves 1.8-3mm long. (mostly 2.5mm)
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Apart Didymodon, there is also Trichstompis to consider, though I do not think that there is a hyaline apical cell.
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To confirm the identity use a microscope and look at the base of a couple of leaves. You should see teeth like projection from the sides.
If you are interested in mosses we can organise a visit to Maqluba where I need to collect a sample of a moss I photographed there many years ago. I need the company as its difficult to get in and out.
Since the location is very near to where you described, it is most probable that the Id is that you suggested. I will investigate further and keep you posted.
By the way, MANY THANKS
I spent 2 hours visualising the margins before convincing myself because we are speaaking of teeth in the range of 10-20um!