A not-unexpected species on the concrete tank defences. On the face of it an obvious O.diaphanum, but without any real good trademark hairpoints, possibly because of the absence of many leaf tips! Immersed stomata on the capsule confirm the ID though.
For an excellent article on the genus, including a table of which species as which stomata type see
here
For illustrations of the two contrasting stomata types see the glossary
here
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| Nice diaphanous calyptra, but where are the hairpoints?! |
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| Hairpoint - sort of ... |
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| Immersed stomata |
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