Tiny Fern Found Growing in a Bottle

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Hello I was wondering if you could help I would really like to know what this little fern is. Last year I litter picked a beer bottle from the moat around a medieval manor site next to where I live. I was about to put the bottle in the recycling when I spotted there was something growing in it. At first I thought it was just moss but when I managed to get it out there was a tiny fern too. It survived the removal from the bottle but has remained very small. The longest fond is about 2cm, so it has been quite difficult to photograph. I have looked at the back of the leaves but can’t see any markings and I am sorry the back of the leaf photos aren’t very good.

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4 thoughts on “Tiny Fern Found Growing in a Bottle”

  1. It is obviously difficult to identify such small ferns but assuming it is native it is most likely to be Dryopteris filix-mas, the common male fern

  2. Many ferns have different juvenile foliage to the adult foliage. So, it can be very difficult to know what a tiny plant is the juvenile form of. I think that it is a Dryopteris and, on the basis that common things occur commonly, I agree with Andrew that it is probably D filix-mas. It looks healthy and as though there are new fronds waiting in the centre. So, give it a couple of years and it should be much easier to identify. It’s a good story!

  3. Thank you very much for your feedback that is very helpful. I will pot it up and look forward seeing it develop. There are Dryopteris fillip-mas growing in a woodland about 500m from the site so that did seem likely but I didn’t realise the juvenile foliage was so different.
    Many Thanks this has been very helpful.

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