Friday, 3 March 2017

Pohlia query

I struggle with Pohlia. This one was growing under bracken at Mynydd Rudry a few weeks ago. Using Smith it keys out as Pohlia wahlenbergii due to the relatively wide (17 microns) and short (60-100 microns) leaf cells. The habitat is plausible but the colour is all wrong, with the leaves being a fairly dull green, very different from the typical pale green of wahlenbergii. I found annotina elsewhere at the site, but I can't find any sign of bulbils on this sample. The tallest stems are a little over 1cm, and the leaves about 2mm long. Help please!


 

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2 comments:

  1. Barry Stewart3 March 2017 at 23:10

    Doesn't look like wahlenbergii, but without running it through the key I wouldn't have a clue sorry!

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  2. GMT10 March 2017 at 13:40

    Thanks Barry. I posted it on the bryophytes Facebook group and it was suggested it might be P. annotina lacking gemmae. Perhaps they got dislodged in transportation?

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