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common duckweed;
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Lemna minor L. photographed in Bhimtal, Uttarakhand


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efloraindia: 12082014 BRS : 3 posts by 3 authors. Attachments (3).
Pl. find the attached file contain photos for id. confirmation.
Place : Adyar river, Chennai…
Date: 11.08.2014
Habitat : River


Lemna gibba L.(gibbous duckweed or fat duckweed)


Would you please tell me what KEY in these pictures determine it is Lemna gibba L.


Another species reported from our area is Lemna perpusilla Torrey,but it is having restricted distribution.


Since it has distinct apical papulae, it is not L. gibba.

Since it has more than 3 fronds together, it is not L. perpusilla.
It is L. minor L.,, which is distributed throughout India.



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References:

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