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Thread: Difference between Fissidens and Fontinalis antipyretica?

  1. #1
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    Difference between Fissidens and Fontinalis antipyretica?

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    I have a moss that I have been collecting here in the central US. It is a truely aquatic moss that grows anchored to concrete walls underwater. It dries up quickly out of water but will come back to life if it is submerged again. I have narrowed it down between a Fissidens species and Fontinalis species. I have anchored it to driftwood and mesh in my tanks. I have also left plenty free floating and it will attach to the gravel after several weeks and begin growing upright again. I am growing it in low light, cool water with no CO2 and have sent samples to high tech keepers to see how it grows for them.

    I will be posting pictures soon to hopefully get a possitive ID but wanted to ask if there is a way to tell the difference between the two species?

    I would also be willing to mail a good size piece for a possitive ID.

    Thank you in advance for your help.

  2. #2
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    Picture would help too.

    Here is some picture I just draw... You can see the position of the "leaves" from this picture. The circle in the middle is the branch of the moss.

  3. #3
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    As Kimmo said, pictures would be useful. Show us some pics and we'll see what we can do to help.

    Loh K L

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    Alright, I spent some time trying to get some pictures, this is with my little Kodak so please excuse them. I resized some to get a larger image. This moss starts attaching to the gravel in the tank after about 2 weeks and has started sending new fronds out of mesh in about 3 weeks. Grown under low light conditions, 28 watts of screw in cf lighting over a 10 gallon. It is also growing in my 55 gallon with just a strip light.


    G.rosea, thank you for the drawing. Following that this is a Fissidens species as the "leaves" come out of the stalk on opposite sides rather than whirl around the stalk much like a palm frond.

    Thank you for your time.







  5. #5
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    That's Fissidens fontanus, I'm sure about it.

  6. #6
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    It's hard to tell but I think Kimmo is probably right. It looks like Fissidens fontanus (Fountain Moss).

    One way to find out yourself, Tedb, is to make a comparison with the pictures of F. fontanus in this forum. There are a few in this thread.

    Loh K L

  7. #7
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    Quote Originally Posted by G.rosea
    That's Fissidens fontanus, I'm sure about it.
    I agree, especially since its native to the USA.

    If you really want to mail a piece or me to mail you a piece let me know,

    I'm in Rhode Island.

    -Andrew

    Might want to email me at (andrew-hill symbol cox.net)

  8. #8
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    Hi Tedb,

    Fissidens grows in 2 dimensions with alternate leafes.
    Fontinalis grows in 3 dimensions with whirled leafes.
    You should reference some moss pictures by yourself.
    Your moss is not a Fontinals by sure. I agree that it looks like a large Fissidens, but not in best condition.
    To understand the requirements of submerged mosses I recommend this one: http://www.aquaticquotient.com/forum...ad.php?t=50177

    Regards Uwe

  9. #9
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    Re: Difference between fissidens and Fontinalis antipyretica?

    As Uwe is saying...

    Fissidens grows in 2 section (2 opposite leaves)
    Fontinalis in 3.

    See image for clarification..
    Attached Images Attached Images
    Kindest Regards,

    Martin

    'Tis a great world underneath the sea'

  10. #10
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    Re: Difference between fissidens and Fontinalis antipyretica?

    Thanks for the effort guys , really benefitted from the pics and diagrams shown and contributed by you guys!!
    Kudos !!

  11. #11
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    Re: Difference between Fissidens and Fontinalis antipyretica?

    Great explaination and I had understand more about those plants

  12. #12
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    Re: Difference between Fissidens and Fontinalis antipyretica?

    thanks for sharing

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