[tcs-lc] For completeness - handling of ex authors

[Roger Hyam]

Looks like Art 46.4 and 46.5 to me:

http://www.bgbm.org/iapt/nomenclature/code/SaintLouis/0050Ch4Sec3a046.htm

My reading of the code is that this is an optional 'nice to have' way of 
quoting the authorship of the name.

What will need to be stressed if we add the flag is that the authors 
that come *before* the 'ex' in the author string will be the ones that 
have to have the 'ex' role.

/Ex. 15./ Seemann (1865) published / Gossypium tomentosum/ "Nutt. mss.", 
followed by a validating description not ascribed to Nuttall; the name 
may be cited as / G. tomentosum/ Nutt. ex Seem. or / G. tomentosum / Seem.

Nutt. has role 'ex' whilst Seem. has role 'default' (he is a regular 
author).

I imagine this will add much confusion, many errors and may outweigh the 
advantages of including the 'ex' authors at all.

The purpose of having an author string is to disambiguate the 
mono/bi/trinomial.  Could some one give me an example of two names based 
on separate types with the same author and year but different 'ex' 
authors? In other words give me an example where quoting the 'ex' 
authors are the only way to disambiguate the names. I suspect these 
examples are like hen's teeth. In which case we could drop support for 
'ex' authors altogether - but this might not get popular support!

Roger







Paul Kirk wrote:

>'ex' is an integral part of the author citation (although always (in Botany) optional wrt what comes before it) whereas 'in' is a connecting term to link the author citation with the first elements of a bibliographic reference and is typically used where the name(s) in the author citation are different from the author(s) of the item of literature (if they are the same, no 'in' citation is required).
>
>The Code makes good reading for insomniacs ...
>
>Paul
>
>-----Original Message-----
>From: tcs-lc-bounces at ecoinformatics.org
>[mailto:tcs-lc-bounces at ecoinformatics.org]On Behalf Of Sally Hinchcliffe
>Sent: 21 September 2005 10:18
>To: tcs-lc at ecoinformatics.org
>Subject: Re: [tcs-lc] For completeness - handling of ex authors
>
>
>Aargh
>Here I have to confess I'm a complete fraud, I have never read the 
>ICBN, I just go by what the ipni editors tell me they need. And they 
>use ex authors but have largely stopped using in authors although of 
>course we have a large number of them in legacy records.
>Perhaps a real botanist could step in and answer this point?
>
>To answer Rich's question on the enum vs. boolean point I was saying 
>I don't have a preference as to which but I was agreeing it should be 
>something with a controlled vocabulary in some way.
>Sally
>
>
>James wrote:
>  
>
>>Sally,
>>
>>for confirmation, does "ex" means what defined in ICBN Art. 46.4?
>>If so, it can be expressed by AccordingTo, can't it?
>>
>>JMS
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>>Tcs-lc at ecoinformatics.org
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>>    
>>
>
>*** Sally Hinchcliffe
>*** Computer section, Royal Botanic Gardens, Kew
>*** tel: +44 (0)20 8332 5708
>*** S.Hinchcliffe at rbgkew.org.uk
>
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>  
>

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