Dear Dr. Das,
Ah, no, Thelypteris (Meniscium) serrata is a Central American species
from Cuba and the Caribbean - nothing to do with Asia. Wonder how you
found that name? - not in any Asian fern books! One needs to see the
well-known literature on Indian ferns, not some random website somewhere
with American ferns.
This is almost certainly Thelypteris (Pronephrium) nudata, common
throughout India, also Myanmar, Thailand etc. - it pops up in many places
and is very common and widespread. Personally I did not know of it from
the Andamans, so I'm afraid I missed A. & N. out from the Annotated
Checklist of Indian Pteridophytes vol. 1 (2016). I haven't got my copy of
Dr. Dixit & Sinha's Fern Flora of the Andman & Nicobar islands here with me
to check if they noticed it, but that work was pretty poor, incomplete anmd
many misidentifications - nevertheless it would be worth checking to see.
I wrote a note in my copy of IC 1, but now the three volumes of the
Checklist are all published I won't be writing on that any time.. If you
have more substantial things to say about Andaman ferns, it could be added
to a pepr on your collections and the fern-flora there.
If you could look it up in all the important literature, you could see if
anyone mentioned it from there before - and check Kew's website, and
Schaffer-Fehre's account in Handb. Flora Sri Lanka etc. etc. for range,
plus Sledge's Thelypteridaceae of Ceylon for range. See if anyone
mentioned thw Andamans (also Hooker's Species Filicum (but probably under
Neprodium multilineatum there).
Best wishes,
Chris Fraser-Jenkins, Portugal
On Sat, 6 Mar, 2021, 12:17 pm J.M. Garg, <jmga...@gmail.com> wrote:
> Thanks, Apurba ji.
>
> ---------- Forwarded message ---------
> From: Apurba Das <apurbakuma...@gmail.com>
> Date: Wed, 3 Mar 2021 at 14:23
> Subject: [efloraofindia:376988] Need species confirmation...
> To: indiantreepix <indiantreepix@googlegroups.com>
>
>
> Dear All
>
> Need species confirmation is this Thelypteris serrata, I have
> collected from Narcondam Island, A&N Islands. For identification
> please find attached file.
>
>
> With Regards
> Apurba Kumar Das
>
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